diff options
-rw-r--r-- | MAINTAINERS | 4 | ||||
-rw-r--r-- | arch/arm/cpu/armv7m/cpu.c | 3 | ||||
-rw-r--r-- | arch/sandbox/include/asm/clk.h | 32 | ||||
-rw-r--r-- | arch/sandbox/include/asm/reset.h | 4 | ||||
-rw-r--r-- | common/log.c | 17 | ||||
-rw-r--r-- | doc/README.log | 3 | ||||
-rw-r--r-- | drivers/clk/clk-uclass.c | 59 | ||||
-rw-r--r-- | drivers/clk/clk_sandbox_test.c | 29 | ||||
-rw-r--r-- | drivers/reset/Kconfig | 8 | ||||
-rw-r--r-- | drivers/reset/Makefile | 1 | ||||
-rw-r--r-- | drivers/reset/reset-meson.c | 90 | ||||
-rw-r--r-- | drivers/reset/reset-uclass.c | 60 | ||||
-rw-r--r-- | drivers/reset/sandbox-reset-test.c | 29 | ||||
-rw-r--r-- | drivers/reset/sandbox-reset.c | 2 | ||||
-rw-r--r-- | drivers/serial/serial_meson.c | 1 | ||||
-rw-r--r-- | drivers/sysreset/sysreset_syscon.c | 8 | ||||
-rw-r--r-- | include/clk.h | 72 | ||||
-rw-r--r-- | include/reset.h | 99 | ||||
-rwxr-xr-x | scripts/checkpatch.pl | 490 | ||||
-rwxr-xr-x | scripts/get_maintainer.pl | 211 | ||||
-rw-r--r-- | test/dm/clk.c | 37 | ||||
-rw-r--r-- | test/dm/reset.c | 33 | ||||
-rw-r--r-- | tools/env/fw_env_main.c | 2 | ||||
-rw-r--r-- | tools/mkimage.c | 5 |
24 files changed, 1070 insertions, 229 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 2e75f396e11..44eeefa635a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -201,8 +201,8 @@ ARM STM STM32MP M: Patrick Delaunay <patrick.delaunay@st.com> S: Maintained F: arch/arm/mach-stm32mp -F: clk/clk_stm32mp1.c -F: ram/stm32mp1 +F: drivers/clk/clk_stm32mp1.c +F: drivers/ram/stm32mp1/ ARM STM STV0991 M: Vikas Manocha <vikas.manocha@st.com> diff --git a/arch/arm/cpu/armv7m/cpu.c b/arch/arm/cpu/armv7m/cpu.c index a424babde54..29597750f8b 100644 --- a/arch/arm/cpu/armv7m/cpu.c +++ b/arch/arm/cpu/armv7m/cpu.c @@ -37,6 +37,9 @@ int cleanup_before_linux(void) * dcache flushing and disabling dcache */ invalidate_dcache_all(); + icache_disable(); + invalidate_icache_all(); + return 0; } diff --git a/arch/sandbox/include/asm/clk.h b/arch/sandbox/include/asm/clk.h index 9dc6c8184b3..01b5ba4e077 100644 --- a/arch/sandbox/include/asm/clk.h +++ b/arch/sandbox/include/asm/clk.h @@ -64,6 +64,14 @@ int sandbox_clk_query_enable(struct udevice *dev, int id); */ int sandbox_clk_test_get(struct udevice *dev); /** + * sandbox_clk_test_get_bulk - Ask the sandbox clock test device to request its + * clocks with the bulk clk API. + * + * @dev: The sandbox clock test (client) devivce. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_get_bulk(struct udevice *dev); +/** * sandbox_clk_test_get_rate - Ask the sandbox clock test device to query a * clock's rate. * @@ -91,6 +99,14 @@ ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate); */ int sandbox_clk_test_enable(struct udevice *dev, int id); /** + * sandbox_clk_test_enable_bulk - Ask the sandbox clock test device to enable + * all clocks in it's clock bulk struct. + * + * @dev: The sandbox clock test (client) devivce. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_enable_bulk(struct udevice *dev); +/** * sandbox_clk_test_disable - Ask the sandbox clock test device to disable a * clock. * @@ -100,6 +116,14 @@ int sandbox_clk_test_enable(struct udevice *dev, int id); */ int sandbox_clk_test_disable(struct udevice *dev, int id); /** + * sandbox_clk_test_disable_bulk - Ask the sandbox clock test device to disable + * all clocks in it's clock bulk struct. + * + * @dev: The sandbox clock test (client) devivce. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_disable_bulk(struct udevice *dev); +/** * sandbox_clk_test_free - Ask the sandbox clock test device to free its * clocks. * @@ -107,5 +131,13 @@ int sandbox_clk_test_disable(struct udevice *dev, int id); * @return: 0 if OK, or a negative error code. */ int sandbox_clk_test_free(struct udevice *dev); +/** + * sandbox_clk_test_release_bulk - Ask the sandbox clock test device to release + * all clocks in it's clock bulk struct. + * + * @dev: The sandbox clock test (client) devivce. + * @return: 0 if OK, or a negative error code. + */ +int sandbox_clk_test_release_bulk(struct udevice *dev); #endif diff --git a/arch/sandbox/include/asm/reset.h b/arch/sandbox/include/asm/reset.h index 7146aa5ab27..0cd7702b88a 100644 --- a/arch/sandbox/include/asm/reset.h +++ b/arch/sandbox/include/asm/reset.h @@ -14,8 +14,12 @@ struct udevice; int sandbox_reset_query(struct udevice *dev, unsigned long id); int sandbox_reset_test_get(struct udevice *dev); +int sandbox_reset_test_get_bulk(struct udevice *dev); int sandbox_reset_test_assert(struct udevice *dev); +int sandbox_reset_test_assert_bulk(struct udevice *dev); int sandbox_reset_test_deassert(struct udevice *dev); +int sandbox_reset_test_deassert_bulk(struct udevice *dev); int sandbox_reset_test_free(struct udevice *dev); +int sandbox_reset_test_release_bulk(struct udevice *dev); #endif diff --git a/common/log.c b/common/log.c index 680a60f86e8..66d5e3ebf85 100644 --- a/common/log.c +++ b/common/log.c @@ -224,6 +224,7 @@ int log_add_filter(const char *drv_name, enum log_category_t cat_list[], { struct log_filter *filt; struct log_device *ldev; + int ret; int i; ldev = log_device_find_by_name(drv_name); @@ -236,8 +237,10 @@ int log_add_filter(const char *drv_name, enum log_category_t cat_list[], if (cat_list) { filt->flags |= LOGFF_HAS_CAT; for (i = 0; ; i++) { - if (i == ARRAY_SIZE(filt->cat_list)) - return -ENOSPC; + if (i == ARRAY_SIZE(filt->cat_list)) { + ret = -ENOSPC; + goto err; + } filt->cat_list[i] = cat_list[i]; if (cat_list[i] == LOGC_END) break; @@ -246,17 +249,19 @@ int log_add_filter(const char *drv_name, enum log_category_t cat_list[], filt->max_level = max_level; if (file_list) { filt->file_list = strdup(file_list); - if (!filt->file_list) - goto nomem; + if (!filt->file_list) { + ret = ENOMEM; + goto err; + } } filt->filter_num = ldev->next_filter_num++; list_add_tail(&filt->sibling_node, &ldev->filter_head); return filt->filter_num; -nomem: +err: free(filt); - return -ENOMEM; + return ret; } int log_remove_filter(const char *drv_name, int filter_num) diff --git a/doc/README.log b/doc/README.log index dc9e2deec50..2ee1b753bc7 100644 --- a/doc/README.log +++ b/doc/README.log @@ -162,7 +162,8 @@ Code size --------- Code size impact depends largely on what is enabled. The following numbers are -for snow, which is a Thumb-2 board: +generated by 'buildman -S' for snow, which is a Thumb-2 board (all units in +bytes): This series: adds bss +20.0 data +4.0 rodata +4.0 text +44.0 CONFIG_LOG: bss -52.0 data +92.0 rodata -635.0 text +1048.0 diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index ad763795d9e..6e99b3b15df 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -104,6 +104,39 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk) return clk_get_by_indexed_prop(dev, "clocks", index, clk); } +int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk) +{ + int i, ret, err, count; + + bulk->count = 0; + + count = dev_count_phandle_with_args(dev, "clocks", "#clock-cells"); + if (!count) + return 0; + + bulk->clks = devm_kcalloc(dev, count, sizeof(struct clk), GFP_KERNEL); + if (!bulk->clks) + return -ENOMEM; + + for (i = 0; i < count; i++) { + ret = clk_get_by_index(dev, i, &bulk->clks[i]); + if (ret < 0) + goto bulk_get_err; + + ++bulk->count; + } + + return 0; + +bulk_get_err: + err = clk_release_all(bulk->clks, bulk->count); + if (err) + debug("%s: could release all clocks for %p\n", + __func__, dev); + + return ret; +} + static int clk_set_default_parents(struct udevice *dev) { struct clk clk, parent_clk; @@ -336,6 +369,19 @@ int clk_enable(struct clk *clk) return ops->enable(clk); } +int clk_enable_bulk(struct clk_bulk *bulk) +{ + int i, ret; + + for (i = 0; i < bulk->count; i++) { + ret = clk_enable(&bulk->clks[i]); + if (ret < 0 && ret != -ENOSYS) + return ret; + } + + return 0; +} + int clk_disable(struct clk *clk) { const struct clk_ops *ops = clk_dev_ops(clk->dev); @@ -348,6 +394,19 @@ int clk_disable(struct clk *clk) return ops->disable(clk); } +int clk_disable_bulk(struct clk_bulk *bulk) +{ + int i, ret; + + for (i = 0; i < bulk->count; i++) { + ret = clk_disable(&bulk->clks[i]); + if (ret < 0 && ret != -ENOSYS) + return ret; + } + + return 0; +} + UCLASS_DRIVER(clk) = { .id = UCLASS_CLK, .name = "clk", diff --git a/drivers/clk/clk_sandbox_test.c b/drivers/clk/clk_sandbox_test.c index 999100de9d2..d0898815b39 100644 --- a/drivers/clk/clk_sandbox_test.c +++ b/drivers/clk/clk_sandbox_test.c @@ -11,6 +11,7 @@ struct sandbox_clk_test { struct clk clks[SANDBOX_CLK_TEST_ID_COUNT]; + struct clk_bulk bulk; }; static const char * const sandbox_clk_test_names[] = { @@ -34,6 +35,13 @@ int sandbox_clk_test_get(struct udevice *dev) return 0; } +int sandbox_clk_test_get_bulk(struct udevice *dev) +{ + struct sandbox_clk_test *sbct = dev_get_priv(dev); + + return clk_get_bulk(dev, &sbct->bulk); +} + ulong sandbox_clk_test_get_rate(struct udevice *dev, int id) { struct sandbox_clk_test *sbct = dev_get_priv(dev); @@ -64,6 +72,13 @@ int sandbox_clk_test_enable(struct udevice *dev, int id) return clk_enable(&sbct->clks[id]); } +int sandbox_clk_test_enable_bulk(struct udevice *dev) +{ + struct sandbox_clk_test *sbct = dev_get_priv(dev); + + return clk_enable_bulk(&sbct->bulk); +} + int sandbox_clk_test_disable(struct udevice *dev, int id) { struct sandbox_clk_test *sbct = dev_get_priv(dev); @@ -74,6 +89,13 @@ int sandbox_clk_test_disable(struct udevice *dev, int id) return clk_disable(&sbct->clks[id]); } +int sandbox_clk_test_disable_bulk(struct udevice *dev) +{ + struct sandbox_clk_test *sbct = dev_get_priv(dev); + + return clk_disable_bulk(&sbct->bulk); +} + int sandbox_clk_test_free(struct udevice *dev) { struct sandbox_clk_test *sbct = dev_get_priv(dev); @@ -88,6 +110,13 @@ int sandbox_clk_test_free(struct udevice *dev) return 0; } +int sandbox_clk_test_release_bulk(struct udevice *dev) +{ + struct sandbox_clk_test *sbct = dev_get_priv(dev); + + return clk_release_bulk(&sbct->bulk); +} + static const struct udevice_id sandbox_clk_test_ids[] = { { .compatible = "sandbox,clk-test" }, { } diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 71a786bab51..ccfdac7823e 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -83,4 +83,12 @@ config RESET_ROCKCHIP though is that some reset signals, like I2C or MISC reset multiple devices. +config RESET_MESON + bool "Reset controller driver for Amlogic Meson SoCs" + depends on DM_RESET && ARCH_MESON + imply REGMAP + default y + help + Support for reset controller on Amlogic Meson SoC. + endmenu diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 7d7e080c784..d1d5146825d 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -13,3 +13,4 @@ obj-$(CONFIG_RESET_BCM6345) += reset-bcm6345.o obj-$(CONFIG_RESET_UNIPHIER) += reset-uniphier.o obj-$(CONFIG_AST2500_RESET) += ast2500-reset.o obj-$(CONFIG_RESET_ROCKCHIP) += reset-rockchip.o +obj-$(CONFIG_RESET_MESON) += reset-meson.o diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c new file mode 100644 index 00000000000..5324f86f5ff --- /dev/null +++ b/drivers/reset/reset-meson.c @@ -0,0 +1,90 @@ +/* + * Amlogic Meson Reset Controller driver + * + * Copyright (c) 2018 BayLibre, SAS. + * Author: Neil Armstrong <narmstrong@baylibre.com> + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <dm.h> +#include <reset-uclass.h> +#include <regmap.h> + +#define REG_COUNT 8 +#define BITS_PER_REG 32 +#define LEVEL_OFFSET 0x7c + +struct meson_reset_priv { + struct regmap *regmap; +}; + +static int meson_reset_request(struct reset_ctl *reset_ctl) +{ + if (reset_ctl->id > (REG_COUNT * BITS_PER_REG)) + return -EINVAL; + + return 0; +} + +static int meson_reset_free(struct reset_ctl *reset_ctl) +{ + return 0; +} + +static int meson_reset_level(struct reset_ctl *reset_ctl, bool assert) +{ + struct meson_reset_priv *priv = dev_get_priv(reset_ctl->dev); + uint bank = reset_ctl->id / BITS_PER_REG; + uint offset = reset_ctl->id % BITS_PER_REG; + uint reg_offset = LEVEL_OFFSET + (bank << 2); + uint val; + + regmap_read(priv->regmap, reg_offset, &val); + if (assert) + val &= ~BIT(offset); + else + val |= BIT(offset); + regmap_write(priv->regmap, reg_offset, val); + + return 0; +} + +static int meson_reset_assert(struct reset_ctl *reset_ctl) +{ + return meson_reset_level(reset_ctl, true); +} + +static int meson_reset_deassert(struct reset_ctl *reset_ctl) +{ + return meson_reset_level(reset_ctl, false); +} + +struct reset_ops meson_reset_ops = { + .request = meson_reset_request, + .free = meson_reset_free, + .rst_assert = meson_reset_assert, + .rst_deassert = meson_reset_deassert, +}; + +static const struct udevice_id meson_reset_ids[] = { + { .compatible = "amlogic,meson-gxbb-reset" }, + { } +}; + +static int meson_reset_probe(struct udevice *dev) +{ + struct meson_reset_priv *priv = dev_get_priv(dev); + + return regmap_init_mem(dev, &priv->regmap); +} + +U_BOOT_DRIVER(meson_reset) = { + .name = "meson_reset", + .id = UCLASS_RESET, + .of_match = meson_reset_ids, + .probe = meson_reset_probe, + .ops = &meson_reset_ops, + .priv_auto_alloc_size = sizeof(struct meson_reset_priv), +}; diff --git a/drivers/reset/reset-uclass.c b/drivers/reset/reset-uclass.c index 307a29705f1..9a5c9c91b9d 100644 --- a/drivers/reset/reset-uclass.c +++ b/drivers/reset/reset-uclass.c @@ -81,6 +81,40 @@ int reset_get_by_index(struct udevice *dev, int index, return 0; } +int reset_get_bulk(struct udevice *dev, struct reset_ctl_bulk *bulk) +{ + int i, ret, err, count; + + bulk->count = 0; + + count = dev_count_phandle_with_args(dev, "resets", "#reset-cells"); + if (!count) + return 0; + + bulk->resets = devm_kcalloc(dev, count, sizeof(struct reset_ctl), + GFP_KERNEL); + if (!bulk->resets) + return -ENOMEM; + + for (i = 0; i < count; i++) { + ret = reset_get_by_index(dev, i, &bulk->resets[i]); + if (ret < 0) + goto bulk_get_err; + + ++bulk->count; + } + + return 0; + +bulk_get_err: + err = reset_release_all(bulk->resets, bulk->count); + if (err) + debug("%s: could release all resets for %p\n", + __func__, dev); + + return ret; +} + int reset_get_by_name(struct udevice *dev, const char *name, struct reset_ctl *reset_ctl) { @@ -126,6 +160,19 @@ int reset_assert(struct reset_ctl *reset_ctl) return ops->rst_assert(reset_ctl); } +int reset_assert_bulk(struct reset_ctl_bulk *bulk) +{ + int i, ret; + + for (i = 0; i < bulk->count; i++) { + ret = reset_assert(&bulk->resets[i]); + if (ret < 0) + return ret; + } + + return 0; +} + int reset_deassert(struct reset_ctl *reset_ctl) { struct reset_ops *ops = reset_dev_ops(reset_ctl->dev); @@ -135,6 +182,19 @@ int reset_deassert(struct reset_ctl *reset_ctl) return ops->rst_deassert(reset_ctl); } +int reset_deassert_bulk(struct reset_ctl_bulk *bulk) +{ + int i, ret; + + for (i = 0; i < bulk->count; i++) { + ret = reset_deassert(&bulk->resets[i]); + if (ret < 0) + return ret; + } + + return 0; +} + int reset_release_all(struct reset_ctl *reset_ctl, int count) { int i, ret; diff --git a/drivers/reset/sandbox-reset-test.c b/drivers/reset/sandbox-reset-test.c index e37d6c91ef4..f0ceaa04835 100644 --- a/drivers/reset/sandbox-reset-test.c +++ b/drivers/reset/sandbox-reset-test.c @@ -12,6 +12,7 @@ struct sandbox_reset_test { struct reset_ctl ctl; + struct reset_ctl_bulk bulk; }; int sandbox_reset_test_get(struct udevice *dev) @@ -21,6 +22,13 @@ int sandbox_reset_test_get(struct udevice *dev) return reset_get_by_name(dev, "test", &sbrt->ctl); } +int sandbox_reset_test_get_bulk(struct udevice *dev) +{ + struct sandbox_reset_test *sbrt = dev_get_priv(dev); + + return reset_get_bulk(dev, &sbrt->bulk); +} + int sandbox_reset_test_assert(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); @@ -28,6 +36,13 @@ int sandbox_reset_test_assert(struct udevice *dev) return reset_assert(&sbrt->ctl); } +int sandbox_reset_test_assert_bulk(struct udevice *dev) +{ + struct sandbox_reset_test *sbrt = dev_get_priv(dev); + + return reset_assert_bulk(&sbrt->bulk); +} + int sandbox_reset_test_deassert(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); @@ -35,6 +50,13 @@ int sandbox_reset_test_deassert(struct udevice *dev) return reset_deassert(&sbrt->ctl); } +int sandbox_reset_test_deassert_bulk(struct udevice *dev) +{ + struct sandbox_reset_test *sbrt = dev_get_priv(dev); + + return reset_deassert_bulk(&sbrt->bulk); +} + int sandbox_reset_test_free(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); @@ -42,6 +64,13 @@ int sandbox_reset_test_free(struct udevice *dev) return reset_free(&sbrt->ctl); } +int sandbox_reset_test_release_bulk(struct udevice *dev) +{ + struct sandbox_reset_test *sbrt = dev_get_priv(dev); + + return reset_release_bulk(&sbrt->bulk); +} + static const struct udevice_id sandbox_reset_test_ids[] = { { .compatible = "sandbox,reset-ctl-test" }, { } diff --git a/drivers/reset/sandbox-reset.c b/drivers/reset/sandbox-reset.c index 4258af521b1..c310749dc85 100644 --- a/drivers/reset/sandbox-reset.c +++ b/drivers/reset/sandbox-reset.c @@ -10,7 +10,7 @@ #include <asm/io.h> #include <asm/reset.h> -#define SANDBOX_RESET_SIGNALS 3 +#define SANDBOX_RESET_SIGNALS 101 struct sandbox_reset_signal { bool asserted; diff --git a/drivers/serial/serial_meson.c b/drivers/serial/serial_meson.c index 363affb8c5f..6412ca64963 100644 --- a/drivers/serial/serial_meson.c +++ b/drivers/serial/serial_meson.c @@ -125,6 +125,7 @@ static const struct dm_serial_ops meson_serial_ops = { static const struct udevice_id meson_serial_ids[] = { { .compatible = "amlogic,meson-uart" }, + { .compatible = "amlogic,meson-gx-uart" }, { } }; diff --git a/drivers/sysreset/sysreset_syscon.c b/drivers/sysreset/sysreset_syscon.c index 3abce7f6786..22c602a4d2a 100644 --- a/drivers/sysreset/sysreset_syscon.c +++ b/drivers/sysreset/sysreset_syscon.c @@ -15,8 +15,6 @@ #include <sysreset.h> #include <syscon.h> -DECLARE_GLOBAL_DATA_PTR; - struct syscon_reboot_priv { struct regmap *regmap; unsigned int offset; @@ -55,10 +53,8 @@ int syscon_reboot_probe(struct udevice *dev) return -ENODEV; } - priv->offset = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev), - "offset", 0); - priv->mask = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev), - "mask", 0); + priv->offset = dev_read_u32_default(dev, "offset", 0); + priv->mask = dev_read_u32_default(dev, "mask", 0); return 0; } diff --git a/include/clk.h b/include/clk.h index a7d95d32c91..b3a9fcecb04 100644 --- a/include/clk.h +++ b/include/clk.h @@ -60,6 +60,23 @@ struct clk { unsigned long id; }; +/** + * struct clk_bulk - A handle to (allowing control of) a bulk of clocks. + * + * Clients provide storage for the clock bulk. The content of the structure is + * managed solely by the clock API. A clock bulk struct is + * initialized by "get"ing the clock bulk struct. + * The clock bulk struct is passed to all other bulk clock APIs to apply + * the API to all the clock in the bulk struct. + * + * @clks: An array of clock handles. + * @count: The number of clock handles in the clks array. + */ +struct clk_bulk { + struct clk *clks; + unsigned int count; +}; + #if CONFIG_IS_ENABLED(OF_CONTROL) && CONFIG_IS_ENABLED(CLK) struct phandle_1_arg; int clk_get_by_index_platdata(struct udevice *dev, int index, @@ -83,6 +100,21 @@ int clk_get_by_index_platdata(struct udevice *dev, int index, int clk_get_by_index(struct udevice *dev, int index, struct clk *clk); /** + * clock_get_bulk - Get/request all clocks of a device. + * + * This looks up and requests all clocks of the client device; each device is + * assumed to have n clocks associated with it somehow, and this function finds + * and requests all of them in a separate structure. The mapping of client + * device clock indices to provider clocks may be via device-tree properties, + * board-provided mapping tables, or some other mechanism. + * + * @dev: The client device. + * @bulk A pointer to a clock bulk struct to initialize. + * @return 0 if OK, or a negative error code. + */ +int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk); + +/** * clock_get_by_name - Get/request a clock by name. * * This looks up and requests a clock. The name is relative to the client @@ -120,6 +152,11 @@ static inline int clk_get_by_index(struct udevice *dev, int index, return -ENOSYS; } +static inline int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk) +{ + return -ENOSYS; +} + static inline int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk) { @@ -130,7 +167,6 @@ static inline int clk_release_all(struct clk *clk, int count) { return -ENOSYS; } - #endif #if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) && \ @@ -151,6 +187,22 @@ static inline int clk_set_defaults(struct udevice *dev) #endif /** + * clk_release_bulk() - Disable (turn off)/Free an array of previously + * requested clocks in a clock bulk struct. + * + * For each clock contained in the clock bulk struct, this function will check + * if clock has been previously requested and then will disable and free it. + * + * @clk: A clock bulk struct that was previously successfully + * requested by clk_get_bulk(). + * @return zero on success, or -ve error code. + */ +static inline int clk_release_bulk(struct clk_bulk *bulk) +{ + return clk_release_all(bulk->clks, bulk->count); +} + +/** * clk_request - Request a clock by provider-specific ID. * * This requests a clock using a provider-specific ID. Generally, this function @@ -215,6 +267,15 @@ int clk_set_parent(struct clk *clk, struct clk *parent); int clk_enable(struct clk *clk); /** + * clk_enable_bulk() - Enable (turn on) all clocks in a clock bulk struct. + * + * @bulk: A clock bulk struct that was previously successfully requested + * by clk_get_bulk(). + * @return zero on success, or -ve error code. + */ +int clk_enable_bulk(struct clk_bulk *bulk); + +/** * clk_disable() - Disable (turn off) a clock. * * @clk: A clock struct that was previously successfully requested by @@ -223,6 +284,15 @@ int clk_enable(struct clk *clk); */ int clk_disable(struct clk *clk); +/** + * clk_disable_bulk() - Disable (turn off) all clocks in a clock bulk struct. + * + * @bulk: A clock bulk struct that was previously successfully requested + * by clk_get_bulk(). + * @return zero on success, or -ve error code. + */ +int clk_disable_bulk(struct clk_bulk *bulk); + int soc_clk_dump(void); #endif diff --git a/include/reset.h b/include/reset.h index 7185ade7ac5..d38f1765ec5 100644 --- a/include/reset.h +++ b/include/reset.h @@ -60,6 +60,24 @@ struct reset_ctl { unsigned long id; }; +/** + * struct reset_ctl_bulk - A handle to (allowing control of) a bulk of reset + * signals. + * + * Clients provide storage for the reset control bulk. The content of the + * structure is managed solely by the reset API. A reset control bulk struct is + * initialized by "get"ing the reset control bulk struct. + * The reset control bulk struct is passed to all other bulk reset APIs to apply + * the API to all the reset signals in the bulk struct. + * + * @resets: An array of reset signal handles handles. + * @count: The number of reset signal handles in the reset array. + */ +struct reset_ctl_bulk { + struct reset_ctl *resets; + unsigned int count; +}; + #ifdef CONFIG_DM_RESET /** * reset_get_by_index - Get/request a reset signal by integer index. @@ -81,6 +99,22 @@ int reset_get_by_index(struct udevice *dev, int index, struct reset_ctl *reset_ctl); /** + * reset_get_bulk - Get/request all reset signals of a device. + * + * This looks up and requests all reset signals of the client device; each + * device is assumed to have n reset signals associated with it somehow, + * and this function finds and requests all of them in a separate structure. + * The mapping of client device reset signals indices to provider reset signals + * may be via device-tree properties, board-provided mapping tables, or some + * other mechanism. + * + * @dev: The client device. + * @bulk A pointer to a reset control bulk struct to initialize. + * @return 0 if OK, or a negative error code. + */ +int reset_get_bulk(struct udevice *dev, struct reset_ctl_bulk *bulk); + +/** * reset_get_by_name - Get/request a reset signal by name. * * This looks up and requests a reset signal. The name is relative to the @@ -132,6 +166,21 @@ int reset_free(struct reset_ctl *reset_ctl); int reset_assert(struct reset_ctl *reset_ctl); /** + * reset_assert_bulk - Assert all reset signals in a reset control bulk struct. + * + * This function will assert the specified reset signals in a reset control + * bulk struct, thus resetting the affected HW module(s). Depending on the + * reset controller hardware, the reset signals will either stay asserted + * until reset_deassert_bulk() is called, or the hardware may autonomously + * clear the reset signals itself. + * + * @bulk: A reset control bulk struct that was previously successfully + * requested by reset_get_bulk(). + * @return 0 if OK, or a negative error code. + */ +int reset_assert_bulk(struct reset_ctl_bulk *bulk); + +/** * reset_deassert - Deassert a reset signal. * * This function will deassert the specified reset signal, thus releasing the @@ -145,6 +194,20 @@ int reset_assert(struct reset_ctl *reset_ctl); int reset_deassert(struct reset_ctl *reset_ctl); /** + * reset_deassert_bulk - Deassert all reset signals in a reset control bulk + * struct. + * + * This function will deassert the specified reset signals in a reset control + * bulk struct, thus releasing the affected HW modules() from reset, and + * allowing them to continue normal operation. + * + * @bulk: A reset control bulk struct that was previously successfully + * requested by reset_get_bulk(). + * @return 0 if OK, or a negative error code. + */ +int reset_deassert_bulk(struct reset_ctl_bulk *bulk); + +/** * reset_release_all - Assert/Free an array of previously requested resets. * * For each reset contained in the reset array, this function will check if @@ -156,6 +219,23 @@ int reset_deassert(struct reset_ctl *reset_ctl); * @return 0 if OK, or a negative error code. */ int reset_release_all(struct reset_ctl *reset_ctl, int count); + +/** + * reset_release_bulk - Assert/Free an array of previously requested reset + * signals in a reset control bulk struct. + * + * For each reset contained in the reset control bulk struct, this function + * will check if reset has been previously requested and then will assert + * and free it. + * + * @bulk: A reset control bulk struct that was previously successfully + * requested by reset_get_bulk(). + * @return 0 if OK, or a negative error code. + */ +static inline int reset_release_bulk(struct reset_ctl_bulk *bulk) +{ + return reset_release_all(bulk->resets, bulk->count); +} #else static inline int reset_get_by_index(struct udevice *dev, int index, struct reset_ctl *reset_ctl) @@ -163,6 +243,11 @@ static inline int reset_get_by_index(struct udevice *dev, int index, return -ENOTSUPP; } +static inline int reset_get_bulk(struct udevice *dev, struct clk_bulk *bulk) +{ + return -ENOTSUPP; +} + static inline int reset_get_by_name(struct udevice *dev, const char *name, struct reset_ctl *reset_ctl) { @@ -179,16 +264,30 @@ static inline int reset_assert(struct reset_ctl *reset_ctl) return 0; } +static inline int reset_assert_bulk(struct reset_ctl_bulk *bulk) +{ + return 0; +} + static inline int reset_deassert(struct reset_ctl *reset_ctl) { return 0; } +static inline int reset_deassert_bulk(struct reset_ctl_bulk *bulk) +{ + return 0; +} + static inline int reset_release_all(struct reset_ctl *reset_ctl, int count) { return 0; } +static inline int reset_release_bulk(struct clk_bulk *bulk) +{ + return 0; +} #endif #endif diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index e450826c36f..373094e59ef 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -145,7 +145,8 @@ sub list_types { close($script); my @types = (); - for ($text =~ /\b(?:(?:CHK|WARN|ERROR)\s*\(\s*"([^"]+)")/g) { + # Also catch when type or level is passed through a variable + for ($text =~ /(?:(?:\bCHK|\bWARN|\bERROR|&\{\$msg_level})\s*\(|\$msg_type\s*=)\s*"([^"]+)"/g) { push (@types, $_); } @types = sort(uniq(@types)); @@ -392,7 +393,7 @@ our $Binary = qr{(?i)0b[01]+$Int_type?}; our $Hex = qr{(?i)0x[0-9a-f]+$Int_type?}; our $Int = qr{[0-9]+$Int_type?}; our $Octal = qr{0[0-7]+$Int_type?}; -our $String = qr{(?:\bL)?"[X\t]*"}; +our $String = qr{"[X\t]*"}; our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?}; our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?}; our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?}; @@ -453,6 +454,7 @@ our $zero_initializer = qr{(?:(?:0[xX])?0+$Int_type?|NULL|false)\b}; our $logFunctions = qr{(?x: printk(?:_ratelimited|_once|_deferred_once|_deferred|)| (?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)| + TP_printk| WARN(?:_RATELIMIT|_ONCE|)| panic| MODULE_[A-Z_]+| @@ -564,6 +566,7 @@ foreach my $entry (@mode_permission_funcs) { $mode_perms_search .= '|' if ($mode_perms_search ne ""); $mode_perms_search .= $entry->[0]; } +$mode_perms_search = "(?:${mode_perms_search})"; our $mode_perms_world_writable = qr{ S_IWUGO | @@ -598,6 +601,37 @@ foreach my $entry (keys %mode_permission_string_types) { $mode_perms_string_search .= '|' if ($mode_perms_string_search ne ""); $mode_perms_string_search .= $entry; } +our $single_mode_perms_string_search = "(?:${mode_perms_string_search})"; +our $multi_mode_perms_string_search = qr{ + ${single_mode_perms_string_search} + (?:\s*\|\s*${single_mode_perms_string_search})* +}x; + +sub perms_to_octal { + my ($string) = @_; + + return trim($string) if ($string =~ /^\s*0[0-7]{3,3}\s*$/); + + my $val = ""; + my $oval = ""; + my $to = 0; + my $curpos = 0; + my $lastpos = 0; + while ($string =~ /\b(($single_mode_perms_string_search)\b(?:\s*\|\s*)?\s*)/g) { + $curpos = pos($string); + my $match = $2; + my $omatch = $1; + last if ($lastpos > 0 && ($curpos - length($omatch) != $lastpos)); + $lastpos = $curpos; + $to |= $mode_permission_string_types{$match}; + $val .= '\s*\|\s*' if ($val ne ""); + $val .= $match; + $oval .= $omatch; + } + $oval =~ s/^\s*\|\s*//; + $oval =~ s/\s*\|\s*$//; + return sprintf("%04o", $to); +} our $allowed_asm_includes = qr{(?x: irq| @@ -757,7 +791,8 @@ our $FuncArg = qr{$Typecast{0,1}($LvalOrFunc|$Constant|$String)}; our $declaration_macros = qr{(?x: (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(?:_[A-Z0-9]+){1,6}\s*\(| (?:$Storage\s+)?[HLP]?LIST_HEAD\s*\(| - (?:$Storage\s+)?${Type}\s+uninitialized_var\s*\( + (?:$Storage\s+)?${Type}\s+uninitialized_var\s*\(| + (?:SKCIPHER_REQUEST|SHASH_DESC|AHASH_REQUEST)_ON_STACK\s*\( )}; sub deparenthesize { @@ -1041,7 +1076,7 @@ sub parse_email { } elsif ($formatted_email =~ /(\S+\@\S+)(.*)$/) { $address = $1; $comment = $2 if defined $2; - $formatted_email =~ s/$address.*$//; + $formatted_email =~ s/\Q$address\E.*$//; $name = $formatted_email; $name = trim($name); $name =~ s/^\"|\"$//g; @@ -1183,7 +1218,7 @@ sub sanitise_line { for ($off = 1; $off < length($line); $off++) { $c = substr($line, $off, 1); - # Comments we are wacking completly including the begin + # Comments we are whacking completely including the begin # and end, all to $;. if ($sanitise_quote eq '' && substr($line, $off, 2) eq '/*') { $sanitise_quote = '*/'; @@ -1263,6 +1298,7 @@ sub sanitise_line { sub get_quoted_string { my ($line, $rawline) = @_; + return "" if (!defined($line) || !defined($rawline)); return "" if ($line !~ m/($String)/g); return substr($rawline, $-[0], $+[0] - $-[0]); } @@ -1610,6 +1646,28 @@ sub raw_line { return $line; } +sub get_stat_real { + my ($linenr, $lc) = @_; + + my $stat_real = raw_line($linenr, 0); + for (my $count = $linenr + 1; $count <= $lc; $count++) { + $stat_real = $stat_real . "\n" . raw_line($count, 0); + } + + return $stat_real; +} + +sub get_stat_here { + my ($linenr, $cnt, $here) = @_; + + my $herectx = $here . "\n"; + for (my $n = 0; $n < $cnt; $n++) { + $herectx .= raw_line($linenr, $n) . "\n"; + } + + return $herectx; +} + sub cat_vet { my ($vet) = @_; my ($res, $coded); @@ -2223,6 +2281,8 @@ sub process { my $camelcase_file_seeded = 0; + my $checklicenseline = 1; + sanitise_line_reset(); my $line; foreach my $rawline (@rawlines) { @@ -2414,6 +2474,7 @@ sub process { } else { $check = $check_orig; } + $checklicenseline = 1; next; } @@ -2715,10 +2776,10 @@ sub process { my $typo_fix = $spelling_fix{lc($typo)}; $typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/); $typo_fix = uc($typo_fix) if ($typo =~ /^[A-Z]+$/); - my $msg_type = \&WARN; - $msg_type = \&CHK if ($file); - if (&{$msg_type}("TYPO_SPELLING", - "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $herecurr) && + my $msg_level = \&WARN; + $msg_level = \&CHK if ($file); + if (&{$msg_level}("TYPO_SPELLING", + "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $herecurr) && $fix) { $fixed[$fixlinenr] =~ s/(^|[^A-Za-z@])($typo)($|[^A-Za-z@])/$1$typo_fix$3/; } @@ -2753,17 +2814,20 @@ sub process { $rawline =~ /\b59\s+Temple\s+Pl/i || $rawline =~ /\b51\s+Franklin\s+St/i) { my $herevet = "$here\n" . cat_vet($rawline) . "\n"; - my $msg_type = \&ERROR; - $msg_type = \&CHK if ($file); - &{$msg_type}("FSF_MAILING_ADDRESS", - "Do not include the paragraph about writing to the Free Software Foundation's mailing address from the sample GPL notice. The FSF has changed addresses in the past, and may do so again. Linux already includes a copy of the GPL.\n" . $herevet) + my $msg_level = \&ERROR; + $msg_level = \&CHK if ($file); + &{$msg_level}("FSF_MAILING_ADDRESS", + "Do not include the paragraph about writing to the Free Software Foundation's mailing address from the sample GPL notice. The FSF has changed addresses in the past, and may do so again. Linux already includes a copy of the GPL.\n" . $herevet) } # check for Kconfig help text having a real description # Only applies when adding the entry originally, after that we do not have # sufficient context to determine whether it is indeed long enough. if ($realfile =~ /Kconfig/ && - $line =~ /^\+\s*config\s+/) { + # 'choice' is usually the last thing on the line (though + # Kconfig supports named choices), so use a word boundary + # (\b) rather than a whitespace character (\s) + $line =~ /^\+\s*(?:config|menuconfig|choice)\b/) { my $length = 0; my $cnt = $realcnt; my $ln = $linenr + 1; @@ -2778,9 +2842,13 @@ sub process { next if ($f =~ /^-/); last if (!$file && $f =~ /^\@\@/); - if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate)\s*\"/) { + if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate|prompt)\s*["']/) { $is_start = 1; - } elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) { + } elsif ($lines[$ln - 1] =~ /^\+\s*(?:help|---help---)\s*$/) { + if ($lines[$ln - 1] =~ "---help---") { + WARN("CONFIG_DESCRIPTION", + "prefer 'help' over '---help---' for new help texts\n" . $herecurr); + } $length = -1; } @@ -2788,7 +2856,13 @@ sub process { $f =~ s/#.*//; $f =~ s/^\s+//; next if ($f =~ /^$/); - if ($f =~ /^\s*config\s/) { + + # This only checks context lines in the patch + # and so hopefully shouldn't trigger false + # positives, even though some of these are + # common words in help texts + if ($f =~ /^\s*(?:config|menuconfig|choice|endchoice| + if|endif|menu|endmenu|source)\b/x) { $is_end = 1; last; } @@ -2864,6 +2938,30 @@ sub process { } } +# check for using SPDX license tag at beginning of files + if ($realline == $checklicenseline) { + if ($rawline =~ /^[ \+]\s*\#\!\s*\//) { + $checklicenseline = 2; + } elsif ($rawline =~ /^\+/) { + my $comment = ""; + if ($realfile =~ /\.(h|s|S)$/) { + $comment = '/*'; + } elsif ($realfile =~ /\.(c|dts|dtsi)$/) { + $comment = '//'; + } elsif (($checklicenseline == 2) || $realfile =~ /\.(sh|pl|py|awk|tc)$/) { + $comment = '#'; + } elsif ($realfile =~ /\.rst$/) { + $comment = '..'; + } + + if ($comment !~ /^$/ && + $rawline !~ /^\+\Q$comment\E SPDX-License-Identifier: /) { + WARN("SPDX_LICENSE_TAG", + "Missing or malformed SPDX-License-Identifier tag in line $checklicenseline\n" . $herecurr); + } + } + } + # check we are in a valid source file if not then ignore this hunk next if ($realfile !~ /\.(h|c|s|S|sh|dtsi|dts)$/); @@ -2873,9 +2971,10 @@ sub process { # logging functions like pr_info that end in a string # lines with a single string # #defines that are a single string +# lines with an RFC3986 like URL # # There are 3 different line length message types: -# LONG_LINE_COMMENT a comment starts before but extends beyond $max_linelength +# LONG_LINE_COMMENT a comment starts before but extends beyond $max_line_length # LONG_LINE_STRING a string starts before but extends beyond $max_line_length # LONG_LINE all other lines longer than $max_line_length # @@ -2899,8 +2998,13 @@ sub process { $line =~ /^\+\s*#\s*define\s+\w+\s+$String$/) { $msg_type = ""; - # EFI_GUID is another special case - } elsif ($line =~ /^\+.*\bEFI_GUID\s*\(/) { + # More special cases + } elsif ($line =~ /^\+.*\bEFI_GUID\s*\(/ || + $line =~ /^\+\s*(?:\w+)?\s*DEFINE_PER_CPU/) { + $msg_type = ""; + + # URL ($rawline is used in case the URL is in a comment) + } elsif ($rawline =~ /^\+.*\b[a-z][\w\.\+\-]*:\/\/\S+/i) { $msg_type = ""; # Otherwise set the alternate message types @@ -2929,20 +3033,6 @@ sub process { "adding a line without newline at end of file\n" . $herecurr); } -# Blackfin: use hi/lo macros - if ($realfile =~ m@arch/blackfin/.*\.S$@) { - if ($line =~ /\.[lL][[:space:]]*=.*&[[:space:]]*0x[fF][fF][fF][fF]/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("LO_MACRO", - "use the LO() macro, not (... & 0xFFFF)\n" . $herevet); - } - if ($line =~ /\.[hH][[:space:]]*=.*>>[[:space:]]*16/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("HI_MACRO", - "use the HI() macro, not (... >> 16)\n" . $herevet); - } - } - # check we are in a valid source file C or perl if not then ignore this hunk next if ($realfile !~ /\.(h|c|pl|dtsi|dts)$/); @@ -2980,7 +3070,7 @@ sub process { # check indentation starts on a tab stop if ($^V && $^V ge 5.10.0 && - $sline =~ /^\+\t+( +)(?:$c90_Keywords\b|\{\s*$|\}\s*(?:else\b|while\b|\s*$))/) { + $sline =~ /^\+\t+( +)(?:$c90_Keywords\b|\{\s*$|\}\s*(?:else\b|while\b|\s*$)|$Declare\s*$Ident\s*[;=])/) { my $indent = length($1); if ($indent % 8) { if (WARN("TABSTOP", @@ -3102,6 +3192,7 @@ sub process { $line =~ /^\+[a-z_]*init/ || $line =~ /^\+\s*(?:static\s+)?[A-Z_]*ATTR/ || $line =~ /^\+\s*DECLARE/ || + $line =~ /^\+\s*builtin_[\w_]*driver/ || $line =~ /^\+\s*__setup/)) { if (CHK("LINE_SPACING", "Please use a blank line after function/struct/union/enum declarations\n" . $hereprev) && @@ -3181,6 +3272,12 @@ sub process { # check we are in a valid C source file if not then ignore this hunk next if ($realfile !~ /\.(h|c)$/); +# check for unusual line ending [ or ( + if ($line =~ /^\+.*([\[\(])\s*$/) { + CHK("OPEN_ENDED_LINE", + "Lines should not end with a '$1'\n" . $herecurr); + } + # check if this appears to be the start function declaration, save the name if ($sline =~ /^\+\{\s*$/ && $prevline =~ /^\+(?:(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*)?($Ident)\(/) { @@ -3222,18 +3319,6 @@ sub process { "CVS style keyword markers, these will _not_ be updated\n". $herecurr); } -# Blackfin: don't use __builtin_bfin_[cs]sync - if ($line =~ /__builtin_bfin_csync/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("CSYNC", - "use the CSYNC() macro in asm/blackfin.h\n" . $herevet); - } - if ($line =~ /__builtin_bfin_ssync/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("SSYNC", - "use the SSYNC() macro in asm/blackfin.h\n" . $herevet); - } - # check for old HOTPLUG __dev<foo> section markings if ($line =~ /\b(__dev(init|exit)(data|const|))\b/) { WARN("HOTPLUG_SECTION", @@ -3810,10 +3895,10 @@ sub process { # avoid BUG() or BUG_ON() if ($line =~ /\b(?:BUG|BUG_ON)\b/) { - my $msg_type = \&WARN; - $msg_type = \&CHK if ($file); - &{$msg_type}("AVOID_BUG", - "Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()\n" . $herecurr); + my $msg_level = \&WARN; + $msg_level = \&CHK if ($file); + &{$msg_level}("AVOID_BUG", + "Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()\n" . $herecurr); } # avoid LINUX_VERSION_CODE @@ -3828,28 +3913,10 @@ sub process { "Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit\n" . $herecurr); } -# printk should use KERN_* levels. Note that follow on printk's on the -# same line do not need a level, so we use the current block context -# to try and find and validate the current printk. In summary the current -# printk includes all preceding printk's which have no newline on the end. -# we assume the first bad printk is the one to report. - if ($line =~ /\bprintk\((?!KERN_)\s*"/) { - my $ok = 0; - for (my $ln = $linenr - 1; $ln >= $first_line; $ln--) { - #print "CHECK<$lines[$ln - 1]\n"; - # we have a preceding printk if it ends - # with "\n" ignore it, else it is to blame - if ($lines[$ln - 1] =~ m{\bprintk\(}) { - if ($rawlines[$ln - 1] !~ m{\\n"}) { - $ok = 1; - } - last; - } - } - if ($ok == 0) { - WARN("PRINTK_WITHOUT_KERN_LEVEL", - "printk() should include KERN_ facility level\n" . $herecurr); - } +# printk should use KERN_* levels + if ($line =~ /\bprintk\s*\(\s*(?!KERN_[A-Z]+\b)/) { + WARN("PRINTK_WITHOUT_KERN_LEVEL", + "printk() should include KERN_<LEVEL> facility level\n" . $herecurr); } if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) { @@ -3890,10 +3957,12 @@ sub process { # function brace can't be on same line, except for #defines of do while, # or if closed on same line - if (($line=~/$Type\s*$Ident\(.*\).*\s*{/) and - !($line=~/\#\s*define.*do\s\{/) and !($line=~/}/)) { + if ($^V && $^V ge 5.10.0 && + $sline =~ /$Type\s*$Ident\s*$balanced_parens\s*\{/ && + $sline !~ /\#\s*define\b.*do\s*\{/ && + $sline !~ /}/) { if (ERROR("OPEN_BRACE", - "open brace '{' following function declarations go on the next line\n" . $herecurr) && + "open brace '{' following function definitions go on the next line\n" . $herecurr) && $fix) { fix_delete_line($fixlinenr, $rawline); my $fixed_line = $rawline; @@ -4339,11 +4408,11 @@ sub process { # messages are ERROR, but ?: are CHK if ($ok == 0) { - my $msg_type = \&ERROR; - $msg_type = \&CHK if (($op eq '?:' || $op eq '?' || $op eq ':') && $ctx =~ /VxV/); + my $msg_level = \&ERROR; + $msg_level = \&CHK if (($op eq '?:' || $op eq '?' || $op eq ':') && $ctx =~ /VxV/); - if (&{$msg_type}("SPACING", - "spaces required around that '$op' $at\n" . $hereptr)) { + if (&{$msg_level}("SPACING", + "spaces required around that '$op' $at\n" . $hereptr)) { $good = rtrim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " "; if (defined $fix_elements[$n + 2]) { $fix_elements[$n + 2] =~ s/^\s+//; @@ -4496,6 +4565,32 @@ sub process { } } +# check for unnecessary parentheses around comparisons in if uses +# when !drivers/staging or command-line uses --strict + if (($realfile !~ m@^(?:drivers/staging/)@ || $check_orig) && + $^V && $^V ge 5.10.0 && defined($stat) && + $stat =~ /(^.\s*if\s*($balanced_parens))/) { + my $if_stat = $1; + my $test = substr($2, 1, -1); + my $herectx; + while ($test =~ /(?:^|[^\w\&\!\~])+\s*\(\s*([\&\!\~]?\s*$Lval\s*(?:$Compare\s*$FuncArg)?)\s*\)/g) { + my $match = $1; + # avoid parentheses around potential macro args + next if ($match =~ /^\s*\w+\s*$/); + if (!defined($herectx)) { + $herectx = $here . "\n"; + my $cnt = statement_rawlines($if_stat); + for (my $n = 0; $n < $cnt; $n++) { + my $rl = raw_line($linenr, $n); + $herectx .= $rl . "\n"; + last if $rl =~ /^[ \+].*\{/; + } + } + CHK("UNNECESSARY_PARENTHESES", + "Unnecessary parentheses around '$match'\n" . $herectx); + } + } + #goto labels aren't indented, allow a single space however if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and !($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) { @@ -4884,12 +4979,8 @@ sub process { #print "REST<$rest> dstat<$dstat> ctx<$ctx>\n"; $ctx =~ s/\n*$//; - my $herectx = $here . "\n"; my $stmt_cnt = statement_rawlines($ctx); - - for (my $n = 0; $n < $stmt_cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } + my $herectx = get_stat_here($linenr, $stmt_cnt, $here); if ($dstat ne '' && $dstat !~ /^(?:$Ident|-?$Constant),$/ && # 10, // foo(), @@ -4961,12 +5052,9 @@ sub process { # check for macros with flow control, but without ## concatenation # ## concatenation is commonly a macro that defines a function so ignore those if ($has_flow_statement && !$has_arg_concat) { - my $herectx = $here . "\n"; my $cnt = statement_rawlines($ctx); + my $herectx = get_stat_here($linenr, $cnt, $here); - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } WARN("MACRO_WITH_FLOW_CONTROL", "Macros with flow control statements should be avoided\n" . "$herectx"); } @@ -5006,11 +5094,7 @@ sub process { $ctx =~ s/\n*$//; my $cnt = statement_rawlines($ctx); - my $herectx = $here . "\n"; - - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } + my $herectx = get_stat_here($linenr, $cnt, $here); if (($stmts =~ tr/;/;/) == 1 && $stmts !~ /^\s*(if|while|for|switch)\b/) { @@ -5024,11 +5108,7 @@ sub process { } elsif ($dstat =~ /^\+\s*#\s*define\s+$Ident.*;\s*$/) { $ctx =~ s/\n*$//; my $cnt = statement_rawlines($ctx); - my $herectx = $here . "\n"; - - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } + my $herectx = get_stat_here($linenr, $cnt, $here); WARN("TRAILING_SEMICOLON", "macros should not use a trailing semicolon\n" . "$herectx"); @@ -5151,12 +5231,8 @@ sub process { } } if ($level == 0 && $block =~ /^\s*\{/ && !$allowed) { - my $herectx = $here . "\n"; my $cnt = statement_rawlines($block); - - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } + my $herectx = get_stat_here($linenr, $cnt, $here); WARN("BRACES", "braces {} are not necessary for single statement blocks\n" . $herectx); @@ -5254,14 +5330,13 @@ sub process { } # concatenated string without spaces between elements - if ($line =~ /$String[A-Z_]/ || - ($line =~ /([A-Za-z0-9_]+)$String/ && $1 !~ /^L$/)) { + if ($line =~ /$String[A-Z_]/ || $line =~ /[A-Za-z0-9_]$String/) { CHK("CONCATENATED_STRING", "Concatenated strings should use spaces between elements\n" . $herecurr); } # uncoalesced string fragments - if ($line =~ /$String\s*L?"/) { + if ($line =~ /$String\s*"/) { WARN("STRING_FRAGMENTS", "Consecutive strings are generally better as a single string\n" . $herecurr); } @@ -5292,7 +5367,7 @@ sub process { } # check for line continuations in quoted strings with odd counts of " - if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) { + if ($rawline =~ /\\$/ && $sline =~ tr/"/"/ % 2) { WARN("LINE_CONTINUATIONS", "Avoid line continuations in quoted strings\n" . $herecurr); } @@ -5571,6 +5646,12 @@ sub process { } } +# check for smp_read_barrier_depends and read_barrier_depends + if (!$file && $line =~ /\b(smp_|)read_barrier_depends\s*\(/) { + WARN("READ_BARRIER_DEPENDS", + "$1read_barrier_depends should only be used in READ_ONCE or DEC Alpha code\n" . $herecurr); + } + # check of hardware specific defines if ($line =~ m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) { CHK("ARCH_DEFINES", @@ -5734,29 +5815,50 @@ sub process { } } - # check for vsprintf extension %p<foo> misuses +# check for vsprintf extension %p<foo> misuses if ($^V && $^V ge 5.10.0 && defined $stat && $stat =~ /^\+(?![^\{]*\{\s*).*\b(\w+)\s*\(.*$String\s*,/s && $1 !~ /^_*volatile_*$/) { - my $bad_extension = ""; + my $specifier; + my $extension; + my $bad_specifier = ""; + my $stat_real; + my $lc = $stat =~ tr@\n@@; $lc = $lc + $linenr; for (my $count = $linenr; $count <= $lc; $count++) { my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0)); $fmt =~ s/%%//g; - if ($fmt =~ /(\%[\*\d\.]*p(?![\WFfSsBKRraEhMmIiUDdgVCbGNO]).)/) { - $bad_extension = $1; - last; + + while ($fmt =~ /(\%[\*\d\.]*p(\w))/g) { + $specifier = $1; + $extension = $2; + if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOx]/) { + $bad_specifier = $specifier; + last; + } + if ($extension eq "x" && !defined($stat_real)) { + if (!defined($stat_real)) { + $stat_real = get_stat_real($linenr, $lc); + } + WARN("VSPRINTF_SPECIFIER_PX", + "Using vsprintf specifier '\%px' potentially exposes the kernel memory layout, if you don't really need the address please consider using '\%p'.\n" . "$here\n$stat_real\n"); + } } - } - if ($bad_extension ne "") { - my $stat_real = raw_line($linenr, 0); - for (my $count = $linenr + 1; $count <= $lc; $count++) { - $stat_real = $stat_real . "\n" . raw_line($count, 0); + if ($bad_specifier ne "") { + my $stat_real = get_stat_real($linenr, $lc); + my $ext_type = "Invalid"; + my $use = ""; + if ($bad_specifier =~ /p[Ff]/) { + $ext_type = "Deprecated"; + $use = " - use %pS instead"; + $use =~ s/pS/ps/ if ($bad_specifier =~ /pf/); + } + + WARN("VSPRINTF_POINTER_EXTENSION", + "$ext_type vsprintf pointer extension '$bad_specifier'$use\n" . "$here\n$stat_real\n"); } - WARN("VSPRINTF_POINTER_EXTENSION", - "Invalid vsprintf pointer extension '$bad_extension'\n" . "$here\n$stat_real\n"); } } @@ -5869,10 +5971,7 @@ sub process { $stat !~ /(?:$Compare)\s*\bsscanf\s*$balanced_parens/)) { my $lc = $stat =~ tr@\n@@; $lc = $lc + $linenr; - my $stat_real = raw_line($linenr, 0); - for (my $count = $linenr + 1; $count <= $lc; $count++) { - $stat_real = $stat_real . "\n" . raw_line($count, 0); - } + my $stat_real = get_stat_real($linenr, $lc); WARN("NAKED_SSCANF", "unchecked sscanf return value\n" . "$here\n$stat_real\n"); } @@ -5883,10 +5982,7 @@ sub process { $line =~ /\bsscanf\b/) { my $lc = $stat =~ tr@\n@@; $lc = $lc + $linenr; - my $stat_real = raw_line($linenr, 0); - for (my $count = $linenr + 1; $count <= $lc; $count++) { - $stat_real = $stat_real . "\n" . raw_line($count, 0); - } + my $stat_real = get_stat_real($linenr, $lc); if ($stat_real =~ /\bsscanf\b\s*\(\s*$FuncArg\s*,\s*("[^"]+")/) { my $format = $6; my $count = $format =~ tr@%@%@; @@ -5940,7 +6036,7 @@ sub process { # check for function declarations that have arguments without identifier names if (defined $stat && - $stat =~ /^.\s*(?:extern\s+)?$Type\s*$Ident\s*\(\s*([^{]+)\s*\)\s*;/s && + $stat =~ /^.\s*(?:extern\s+)?$Type\s*(?:$Ident|\(\s*\*\s*$Ident\s*\))\s*\(\s*([^{]+)\s*\)\s*;/s && $1 ne "void") { my $args = trim($1); while ($args =~ m/\s*($Type\s*(?:$Ident|\(\s*\*\s*$Ident?\s*\)\s*$balanced_parens)?)/g) { @@ -6016,12 +6112,9 @@ sub process { } if ($r1 !~ /^sizeof\b/ && $r2 =~ /^sizeof\s*\S/ && !($r1 =~ /^$Constant$/ || $r1 =~ /^[A-Z_][A-Z0-9_]*$/)) { - my $ctx = ''; - my $herectx = $here . "\n"; my $cnt = statement_rawlines($stat); - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } + my $herectx = get_stat_here($linenr, $cnt, $here); + if (WARN("ALLOC_WITH_MULTIPLY", "Prefer $newfunc over $oldfunc with multiply\n" . $herectx) && $cnt == 1 && @@ -6092,7 +6185,7 @@ sub process { next if ($fline =~ /^.[\s$;]*$/); $has_statement = 1; $count++; - $has_break = 1 if ($fline =~ /\bswitch\b|\b(?:break\s*;[\s$;]*$|return\b|goto\b|continue\b)/); + $has_break = 1 if ($fline =~ /\bswitch\b|\b(?:break\s*;[\s$;]*$|exit\s*\(\b|return\b|goto\b|continue\b)/); } if (!$has_break && $has_statement) { WARN("MISSING_BREAK", @@ -6104,12 +6197,9 @@ sub process { if ($^V && $^V ge 5.10.0 && defined $stat && $stat =~ /^\+[$;\s]*(?:case[$;\s]+\w+[$;\s]*:[$;\s]*|)*[$;\s]*\bdefault[$;\s]*:[$;\s]*;/g) { - my $ctx = ''; - my $herectx = $here . "\n"; my $cnt = statement_rawlines($stat); - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } + my $herectx = get_stat_here($linenr, $cnt, $here); + WARN("DEFAULT_NO_BREAK", "switch default: should use break\n" . $herectx); } @@ -6225,28 +6315,6 @@ sub process { } } -# whine about ACCESS_ONCE - if ($^V && $^V ge 5.10.0 && - $line =~ /\bACCESS_ONCE\s*$balanced_parens\s*(=(?!=))?\s*($FuncArg)?/) { - my $par = $1; - my $eq = $2; - my $fun = $3; - $par =~ s/^\(\s*(.*)\s*\)$/$1/; - if (defined($eq)) { - if (WARN("PREFER_WRITE_ONCE", - "Prefer WRITE_ONCE(<FOO>, <BAR>) over ACCESS_ONCE(<FOO>) = <BAR>\n" . $herecurr) && - $fix) { - $fixed[$fixlinenr] =~ s/\bACCESS_ONCE\s*\(\s*\Q$par\E\s*\)\s*$eq\s*\Q$fun\E/WRITE_ONCE($par, $fun)/; - } - } else { - if (WARN("PREFER_READ_ONCE", - "Prefer READ_ONCE(<FOO>) over ACCESS_ONCE(<FOO>)\n" . $herecurr) && - $fix) { - $fixed[$fixlinenr] =~ s/\bACCESS_ONCE\s*\(\s*\Q$par\E\s*\)/READ_ONCE($par)/; - } - } - } - # check for mutex_trylock_recursive usage if ($line =~ /mutex_trylock_recursive/) { ERROR("LOCKING", @@ -6270,8 +6338,69 @@ sub process { "Exporting world writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr); } +# check for DEVICE_ATTR uses that could be DEVICE_ATTR_<FOO> +# and whether or not function naming is typical and if +# DEVICE_ATTR permissions uses are unusual too + if ($^V && $^V ge 5.10.0 && + defined $stat && + $stat =~ /\bDEVICE_ATTR\s*\(\s*(\w+)\s*,\s*\(?\s*(\s*(?:${multi_mode_perms_string_search}|0[0-7]{3,3})\s*)\s*\)?\s*,\s*(\w+)\s*,\s*(\w+)\s*\)/) { + my $var = $1; + my $perms = $2; + my $show = $3; + my $store = $4; + my $octal_perms = perms_to_octal($perms); + if ($show =~ /^${var}_show$/ && + $store =~ /^${var}_store$/ && + $octal_perms eq "0644") { + if (WARN("DEVICE_ATTR_RW", + "Use DEVICE_ATTR_RW\n" . $herecurr) && + $fix) { + $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*$show\s*,\s*$store\s*\)/DEVICE_ATTR_RW(${var})/; + } + } elsif ($show =~ /^${var}_show$/ && + $store =~ /^NULL$/ && + $octal_perms eq "0444") { + if (WARN("DEVICE_ATTR_RO", + "Use DEVICE_ATTR_RO\n" . $herecurr) && + $fix) { + $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*$show\s*,\s*NULL\s*\)/DEVICE_ATTR_RO(${var})/; + } + } elsif ($show =~ /^NULL$/ && + $store =~ /^${var}_store$/ && + $octal_perms eq "0200") { + if (WARN("DEVICE_ATTR_WO", + "Use DEVICE_ATTR_WO\n" . $herecurr) && + $fix) { + $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*NULL\s*,\s*$store\s*\)/DEVICE_ATTR_WO(${var})/; + } + } elsif ($octal_perms eq "0644" || + $octal_perms eq "0444" || + $octal_perms eq "0200") { + my $newshow = "$show"; + $newshow = "${var}_show" if ($show ne "NULL" && $show ne "${var}_show"); + my $newstore = $store; + $newstore = "${var}_store" if ($store ne "NULL" && $store ne "${var}_store"); + my $rename = ""; + if ($show ne $newshow) { + $rename .= " '$show' to '$newshow'"; + } + if ($store ne $newstore) { + $rename .= " '$store' to '$newstore'"; + } + WARN("DEVICE_ATTR_FUNCTIONS", + "Consider renaming function(s)$rename\n" . $herecurr); + } else { + WARN("DEVICE_ATTR_PERMS", + "DEVICE_ATTR unusual permissions '$perms' used\n" . $herecurr); + } + } + # Mode permission misuses where it seems decimal should be octal # This uses a shortcut match to avoid unnecessary uses of a slow foreach loop +# o Ignore module_param*(...) uses with a decimal 0 permission as that has a +# specific definition of not visible in sysfs. +# o Ignore proc_create*(...) uses with a decimal 0 permission as that means +# use the default permissions if ($^V && $^V ge 5.10.0 && defined $stat && $line =~ /$mode_perms_search/) { @@ -6281,10 +6410,7 @@ sub process { my $lc = $stat =~ tr@\n@@; $lc = $lc + $linenr; - my $stat_real = raw_line($linenr, 0); - for (my $count = $linenr + 1; $count <= $lc; $count++) { - $stat_real = $stat_real . "\n" . raw_line($count, 0); - } + my $stat_real = get_stat_real($linenr, $lc); my $skip_args = ""; if ($arg_pos > 1) { @@ -6295,8 +6421,9 @@ sub process { if ($stat =~ /$test/) { my $val = $1; $val = $6 if ($skip_args ne ""); - if (($val =~ /^$Int$/ && $val !~ /^$Octal$/) || - ($val =~ /^$Octal$/ && length($val) ne 4)) { + if (!($func =~ /^(?:module_param|proc_create)/ && $val eq "0") && + (($val =~ /^$Int$/ && $val !~ /^$Octal$/) || + ($val =~ /^$Octal$/ && length($val) ne 4))) { ERROR("NON_OCTAL_PERMISSIONS", "Use 4 digit octal (0777) not decimal permissions\n" . "$here\n" . $stat_real); } @@ -6309,30 +6436,13 @@ sub process { } # check for uses of S_<PERMS> that could be octal for readability - if ($line =~ /\b$mode_perms_string_search\b/) { - my $val = ""; - my $oval = ""; - my $to = 0; - my $curpos = 0; - my $lastpos = 0; - while ($line =~ /\b(($mode_perms_string_search)\b(?:\s*\|\s*)?\s*)/g) { - $curpos = pos($line); - my $match = $2; - my $omatch = $1; - last if ($lastpos > 0 && ($curpos - length($omatch) != $lastpos)); - $lastpos = $curpos; - $to |= $mode_permission_string_types{$match}; - $val .= '\s*\|\s*' if ($val ne ""); - $val .= $match; - $oval .= $omatch; - } - $oval =~ s/^\s*\|\s*//; - $oval =~ s/\s*\|\s*$//; - my $octal = sprintf("%04o", $to); + while ($line =~ m{\b($multi_mode_perms_string_search)\b}g) { + my $oval = $1; + my $octal = perms_to_octal($oval); if (WARN("SYMBOLIC_PERMS", "Symbolic permissions '$oval' are not preferred. Consider using octal permissions '$octal'.\n" . $herecurr) && $fix) { - $fixed[$fixlinenr] =~ s/$val/$octal/; + $fixed[$fixlinenr] =~ s/\Q$oval\E/$octal/; } } @@ -6373,7 +6483,7 @@ sub process { exit(0); } - if (!$is_patch && $file !~ /cover-letter\.patch$/) { + if (!$is_patch && $filename !~ /cover-letter\.patch$/) { ERROR("NOT_UNIFIED_DIFF", "Does not appear to be a unified-diff format patch\n"); } diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl index 07800e62d19..e3b41616c97 100755 --- a/scripts/get_maintainer.pl +++ b/scripts/get_maintainer.pl @@ -57,6 +57,7 @@ my $sections = 0; my $file_emails = 0; my $from_filename = 0; my $pattern_depth = 0; +my $self_test = undef; my $version = 0; my $help = 0; my $find_maintainer_files = 1; @@ -136,6 +137,7 @@ my %VCS_cmds_git = ( "subject_pattern" => "^GitSubject: (.*)", "stat_pattern" => "^(\\d+)\\t(\\d+)\\t\$file\$", "file_exists_cmd" => "git ls-files \$file", + "list_files_cmd" => "git ls-files \$file", ); my %VCS_cmds_hg = ( @@ -165,6 +167,7 @@ my %VCS_cmds_hg = ( "subject_pattern" => "^HgSubject: (.*)", "stat_pattern" => "^(\\d+)\t(\\d+)\t\$file\$", "file_exists_cmd" => "hg files \$file", + "list_files_cmd" => "hg manifest -R \$file", ); my $conf = which_conf(".get_maintainer.conf"); @@ -214,6 +217,14 @@ if (-f $ignore_file) { close($ignore); } +if ($#ARGV > 0) { + foreach (@ARGV) { + if ($_ =~ /^-{1,2}self-test(?:=|$)/) { + die "$P: using --self-test does not allow any other option or argument\n"; + } + } +} + if (!GetOptions( 'email!' => \$email, 'git!' => \$email_git, @@ -250,6 +261,7 @@ if (!GetOptions( 'fe|file-emails!' => \$file_emails, 'f|file' => \$from_filename, 'find-maintainer-files' => \$find_maintainer_files, + 'self-test:s' => \$self_test, 'v|version' => \$version, 'h|help|usage' => \$help, )) { @@ -266,6 +278,12 @@ if ($version != 0) { exit 0; } +if (defined $self_test) { + read_all_maintainer_files(); + self_test(); + exit 0; +} + if (-t STDIN && !@ARGV) { # We're talking to a terminal, but have no command line arguments. die "$P: missing patchfile or -f file - use --help if necessary\n"; @@ -309,14 +327,17 @@ if (!top_of_kernel_tree($lk_path)) { my @typevalue = (); my %keyword_hash; my @mfiles = (); +my @self_test_info = (); sub read_maintainer_file { my ($file) = @_; open (my $maint, '<', "$file") or die "$P: Can't open MAINTAINERS file '$file': $!\n"; + my $i = 1; while (<$maint>) { my $line = $_; + chomp $line; if ($line =~ m/^([A-Z]):\s*(.*)/) { my $type = $1; @@ -336,9 +357,12 @@ sub read_maintainer_file { } push(@typevalue, "$type:$value"); } elsif (!(/^\s*$/ || /^\s*\#/)) { - $line =~ s/\n$//g; push(@typevalue, $line); } + if (defined $self_test) { + push(@self_test_info, {file=>$file, linenr=>$i, line=>$line}); + } + $i++; } close($maint); } @@ -355,26 +379,30 @@ sub find_ignore_git { return grep { $_ !~ /^\.git$/; } @_; } -if (-d "${lk_path}MAINTAINERS") { - opendir(DIR, "${lk_path}MAINTAINERS") or die $!; - my @files = readdir(DIR); - closedir(DIR); - foreach my $file (@files) { - push(@mfiles, "${lk_path}MAINTAINERS/$file") if ($file !~ /^\./); +read_all_maintainer_files(); + +sub read_all_maintainer_files { + if (-d "${lk_path}MAINTAINERS") { + opendir(DIR, "${lk_path}MAINTAINERS") or die $!; + my @files = readdir(DIR); + closedir(DIR); + foreach my $file (@files) { + push(@mfiles, "${lk_path}MAINTAINERS/$file") if ($file !~ /^\./); + } } -} -if ($find_maintainer_files) { - find( { wanted => \&find_is_maintainer_file, - preprocess => \&find_ignore_git, - no_chdir => 1, - }, "${lk_path}"); -} else { - push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS"; -} + if ($find_maintainer_files) { + find( { wanted => \&find_is_maintainer_file, + preprocess => \&find_ignore_git, + no_chdir => 1, + }, "${lk_path}"); + } else { + push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS"; + } -foreach my $file (@mfiles) { - read_maintainer_file("$file"); + foreach my $file (@mfiles) { + read_maintainer_file("$file"); + } } # @@ -584,6 +612,135 @@ if ($web) { exit($exit); +sub self_test { + my @lsfiles = (); + my @good_links = (); + my @bad_links = (); + my @section_headers = (); + my $index = 0; + + @lsfiles = vcs_list_files($lk_path); + + for my $x (@self_test_info) { + $index++; + + ## Section header duplication and missing section content + if (($self_test eq "" || $self_test =~ /\bsections\b/) && + $x->{line} =~ /^\S[^:]/ && + defined $self_test_info[$index] && + $self_test_info[$index]->{line} =~ /^([A-Z]):\s*\S/) { + my $has_S = 0; + my $has_F = 0; + my $has_ML = 0; + my $status = ""; + if (grep(m@^\Q$x->{line}\E@, @section_headers)) { + print("$x->{file}:$x->{linenr}: warning: duplicate section header\t$x->{line}\n"); + } else { + push(@section_headers, $x->{line}); + } + my $nextline = $index; + while (defined $self_test_info[$nextline] && + $self_test_info[$nextline]->{line} =~ /^([A-Z]):\s*(\S.*)/) { + my $type = $1; + my $value = $2; + if ($type eq "S") { + $has_S = 1; + $status = $value; + } elsif ($type eq "F" || $type eq "N") { + $has_F = 1; + } elsif ($type eq "M" || $type eq "R" || $type eq "L") { + $has_ML = 1; + } + $nextline++; + } + if (!$has_ML && $status !~ /orphan|obsolete/i) { + print("$x->{file}:$x->{linenr}: warning: section without email address\t$x->{line}\n"); + } + if (!$has_S) { + print("$x->{file}:$x->{linenr}: warning: section without status \t$x->{line}\n"); + } + if (!$has_F) { + print("$x->{file}:$x->{linenr}: warning: section without file pattern\t$x->{line}\n"); + } + } + + next if ($x->{line} !~ /^([A-Z]):\s*(.*)/); + + my $type = $1; + my $value = $2; + + ## Filename pattern matching + if (($type eq "F" || $type eq "X") && + ($self_test eq "" || $self_test =~ /\bpatterns\b/)) { + $value =~ s@\.@\\\.@g; ##Convert . to \. + $value =~ s/\*/\.\*/g; ##Convert * to .* + $value =~ s/\?/\./g; ##Convert ? to . + ##if pattern is a directory and it lacks a trailing slash, add one + if ((-d $value)) { + $value =~ s@([^/])$@$1/@; + } + if (!grep(m@^$value@, @lsfiles)) { + print("$x->{file}:$x->{linenr}: warning: no file matches\t$x->{line}\n"); + } + + ## Link reachability + } elsif (($type eq "W" || $type eq "Q" || $type eq "B") && + $value =~ /^https?:/ && + ($self_test eq "" || $self_test =~ /\blinks\b/)) { + next if (grep(m@^\Q$value\E$@, @good_links)); + my $isbad = 0; + if (grep(m@^\Q$value\E$@, @bad_links)) { + $isbad = 1; + } else { + my $output = `wget --spider -q --no-check-certificate --timeout 10 --tries 1 $value`; + if ($? == 0) { + push(@good_links, $value); + } else { + push(@bad_links, $value); + $isbad = 1; + } + } + if ($isbad) { + print("$x->{file}:$x->{linenr}: warning: possible bad link\t$x->{line}\n"); + } + + ## SCM reachability + } elsif ($type eq "T" && + ($self_test eq "" || $self_test =~ /\bscm\b/)) { + next if (grep(m@^\Q$value\E$@, @good_links)); + my $isbad = 0; + if (grep(m@^\Q$value\E$@, @bad_links)) { + $isbad = 1; + } elsif ($value !~ /^(?:git|quilt|hg)\s+\S/) { + print("$x->{file}:$x->{linenr}: warning: malformed entry\t$x->{line}\n"); + } elsif ($value =~ /^git\s+(\S+)(\s+([^\(]+\S+))?/) { + my $url = $1; + my $branch = ""; + $branch = $3 if $3; + my $output = `git ls-remote --exit-code -h "$url" $branch > /dev/null 2>&1`; + if ($? == 0) { + push(@good_links, $value); + } else { + push(@bad_links, $value); + $isbad = 1; + } + } elsif ($value =~ /^(?:quilt|hg)\s+(https?:\S+)/) { + my $url = $1; + my $output = `wget --spider -q --no-check-certificate --timeout 10 --tries 1 $url`; + if ($? == 0) { + push(@good_links, $value); + } else { + push(@bad_links, $value); + $isbad = 1; + } + } + if ($isbad) { + print("$x->{file}:$x->{linenr}: warning: possible bad link\t$x->{line}\n"); + } + } + } +} + sub ignore_email_address { my ($address) = @_; @@ -861,6 +1018,7 @@ Other options: --sections => print all of the subsystem sections with pattern matches --letters => print all matching 'letter' types from all matching sections --mailmap => use .mailmap file (default: $email_use_mailmap) + --self-test => show potential issues with MAINTAINERS file content --version => show version --help => show this help information @@ -2192,6 +2350,23 @@ sub vcs_file_exists { return $exists; } +sub vcs_list_files { + my ($file) = @_; + + my @lsfiles = (); + + my $vcs_used = vcs_exists(); + return 0 if (!$vcs_used); + + my $cmd = $VCS_cmds{"list_files_cmd"}; + $cmd =~ s/(\$\w+)/$1/eeg; # interpolate $cmd + @lsfiles = &{$VCS_cmds{"execute_cmd"}}($cmd); + + return () if ($? != 0); + + return @lsfiles; +} + sub uniq { my (@parms) = @_; diff --git a/test/dm/clk.c b/test/dm/clk.c index 712a1e674a5..d3649103ee6 100644 --- a/test/dm/clk.c +++ b/test/dm/clk.c @@ -101,3 +101,40 @@ static int dm_test_clk(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT); + +static int dm_test_clk_bulk(struct unit_test_state *uts) +{ + struct udevice *dev_clk, *dev_test; + + ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox", + &dev_clk)); + ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", + &dev_test)); + ut_assertok(sandbox_clk_test_get_bulk(dev_test)); + + ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI)); + ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C)); + + /* Fixed clock does not support enable, thus should not fail */ + ut_assertok(sandbox_clk_test_enable_bulk(dev_test)); + ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI)); + ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C)); + + /* Fixed clock does not support disable, thus should not fail */ + ut_assertok(sandbox_clk_test_disable_bulk(dev_test)); + ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI)); + ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C)); + + /* Fixed clock does not support enable, thus should not fail */ + ut_assertok(sandbox_clk_test_enable_bulk(dev_test)); + ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI)); + ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C)); + + /* Fixed clock does not support disable, thus should not fail */ + ut_assertok(sandbox_clk_test_release_bulk(dev_test)); + ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI)); + ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C)); + + return 0; +} +DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT); diff --git a/test/dm/reset.c b/test/dm/reset.c index 0ae8031540c..8dc0023c080 100644 --- a/test/dm/reset.c +++ b/test/dm/reset.c @@ -13,6 +13,9 @@ /* This must match the specifier for mbox-names="test" in the DT node */ #define TEST_RESET_ID 2 +/* This is the other reset phandle specifier handled by bulk */ +#define OTHER_RESET_ID 2 + static int dm_test_reset(struct unit_test_state *uts) { struct udevice *dev_reset; @@ -37,3 +40,33 @@ static int dm_test_reset(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_reset, DM_TESTF_SCAN_FDT); + +static int dm_test_reset_bulk(struct unit_test_state *uts) +{ + struct udevice *dev_reset; + struct udevice *dev_test; + + ut_assertok(uclass_get_device_by_name(UCLASS_RESET, "reset-ctl", + &dev_reset)); + ut_asserteq(0, sandbox_reset_query(dev_reset, TEST_RESET_ID)); + ut_asserteq(0, sandbox_reset_query(dev_reset, OTHER_RESET_ID)); + + ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "reset-ctl-test", + &dev_test)); + ut_assertok(sandbox_reset_test_get_bulk(dev_test)); + + ut_assertok(sandbox_reset_test_assert_bulk(dev_test)); + ut_asserteq(1, sandbox_reset_query(dev_reset, TEST_RESET_ID)); + ut_asserteq(1, sandbox_reset_query(dev_reset, OTHER_RESET_ID)); + + ut_assertok(sandbox_reset_test_deassert_bulk(dev_test)); + ut_asserteq(0, sandbox_reset_query(dev_reset, TEST_RESET_ID)); + ut_asserteq(0, sandbox_reset_query(dev_reset, OTHER_RESET_ID)); + + ut_assertok(sandbox_reset_test_release_bulk(dev_test)); + ut_asserteq(1, sandbox_reset_query(dev_reset, TEST_RESET_ID)); + ut_asserteq(1, sandbox_reset_query(dev_reset, OTHER_RESET_ID)); + + return 0; +} +DM_TEST(dm_test_reset_bulk, DM_TESTF_SCAN_FDT); diff --git a/tools/env/fw_env_main.c b/tools/env/fw_env_main.c index d93a915fd14..fb4afa5ee91 100644 --- a/tools/env/fw_env_main.c +++ b/tools/env/fw_env_main.c @@ -239,7 +239,7 @@ int main(int argc, char *argv[]) argv += optind; if (env_opts.lockname) { - lockname = malloc(sizeof(env_opts.lockname) + + lockname = malloc(strlen(env_opts.lockname) + sizeof(CMD_PRINTENV) + 10); if (!lockname) { fprintf(stderr, "Unable allocate memory"); diff --git a/tools/mkimage.c b/tools/mkimage.c index 28ff35e670a..4e561820e77 100644 --- a/tools/mkimage.c +++ b/tools/mkimage.c @@ -588,9 +588,8 @@ int main(int argc, char **argv) if (tparams->print_header) tparams->print_header (ptr); else { - fprintf (stderr, "%s: Can't print header for %s: %s\n", - params.cmdname, tparams->name, strerror(errno)); - exit (EXIT_FAILURE); + fprintf (stderr, "%s: Can't print header for %s\n", + params.cmdname, tparams->name); } (void) munmap((void *)ptr, sbuf.st_size); |