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-rw-r--r--drivers/block/blk-uclass.c16
-rw-r--r--drivers/core/regmap.c23
-rw-r--r--drivers/core/uclass.c40
-rw-r--r--drivers/cpu/cpu-uclass.c20
-rw-r--r--drivers/mmc/omap_hsmmc.c2
-rw-r--r--drivers/pci/pci-uclass.c4
-rw-r--r--drivers/serial/serial-uclass.c2
-rw-r--r--drivers/serial/serial_bcm283x_mu.c2
-rw-r--r--drivers/serial/serial_bcm283x_pl011.c2
-rw-r--r--drivers/sysreset/sysreset_ast.c2
-rw-r--r--drivers/usb/gadget/ether.c11
-rw-r--r--drivers/video/exynos/exynos_fb.c14
-rw-r--r--drivers/video/imx/mxc_ipuv3_fb.c9
-rw-r--r--drivers/video/mali_dp.c2
-rw-r--r--drivers/video/stm32/stm32_dsi.c2
-rw-r--r--drivers/video/tegra124/dp.c4
-rw-r--r--drivers/virtio/virtio-uclass.c15
-rw-r--r--drivers/w1/w1-uclass.c20
-rw-r--r--drivers/xen/pvblock.c5
19 files changed, 86 insertions, 109 deletions
diff --git a/drivers/block/blk-uclass.c b/drivers/block/blk-uclass.c
index 7d12d5413f1..bcc14a684be 100644
--- a/drivers/block/blk-uclass.c
+++ b/drivers/block/blk-uclass.c
@@ -593,11 +593,9 @@ int blk_find_next(enum blk_flag_t flags, struct udevice **devp)
int blk_first_device_err(enum blk_flag_t flags, struct udevice **devp)
{
- int ret;
-
- for (ret = uclass_first_device_err(UCLASS_BLK, devp);
- !ret;
- ret = uclass_next_device_err(devp)) {
+ for (uclass_first_device(UCLASS_BLK, devp);
+ *devp;
+ uclass_next_device(devp)) {
if (!blk_flags_check(*devp, flags))
return 0;
}
@@ -607,11 +605,9 @@ int blk_first_device_err(enum blk_flag_t flags, struct udevice **devp)
int blk_next_device_err(enum blk_flag_t flags, struct udevice **devp)
{
- int ret;
-
- for (ret = uclass_next_device_err(devp);
- !ret;
- ret = uclass_next_device_err(devp)) {
+ for (uclass_next_device(devp);
+ *devp;
+ uclass_next_device(devp)) {
if (!blk_flags_check(*devp, flags))
return 0;
}
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c
index 5ccbf9abb8a..e33bb9d798d 100644
--- a/drivers/core/regmap.c
+++ b/drivers/core/regmap.c
@@ -4,6 +4,8 @@
* Written by Simon Glass <sjg@chromium.org>
*/
+#define LOG_CATEGORY LOGC_DM
+
#include <common.h>
#include <dm.h>
#include <errno.h>
@@ -37,6 +39,22 @@ struct regmap_field {
DECLARE_GLOBAL_DATA_PTR;
/**
+ * do_range_check() - Control whether range checks are done
+ *
+ * Returns: true to do range checks, false to skip
+ *
+ * This is used to reduce code size on SPL where range checks are known not to
+ * be needed
+ *
+ * Add this to the top of the file to enable them: #define LOG_DEBUG
+ */
+static inline bool do_range_check(void)
+{
+ return _LOG_DEBUG || !IS_ENABLED(CONFIG_SPL);
+
+}
+
+/**
* regmap_alloc() - Allocate a regmap with a given number of ranges.
*
* @count: Number of ranges to be allocated for the regmap.
@@ -391,7 +409,7 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
struct regmap_range *range;
void *ptr;
- if (range_num >= map->range_count) {
+ if (do_range_check() && range_num >= map->range_count) {
debug("%s: range index %d larger than range count\n",
__func__, range_num);
return -ERANGE;
@@ -399,7 +417,8 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
range = &map->ranges[range_num];
offset <<= map->reg_offset_shift;
- if (offset + val_len > range->size || offset + val_len < offset) {
+ if (do_range_check() &&
+ (offset + val_len > range->size || offset + val_len < offset)) {
debug("%s: offset/size combination invalid\n", __func__);
return -ERANGE;
}
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 08d9ed82de2..b7d11bdd23a 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -586,19 +586,6 @@ int uclass_first_device(enum uclass_id id, struct udevice **devp)
return uclass_get_device_tail(dev, ret, devp);
}
-int uclass_first_device_err(enum uclass_id id, struct udevice **devp)
-{
- int ret;
-
- ret = uclass_first_device(id, devp);
- if (ret)
- return ret;
- else if (!*devp)
- return -ENODEV;
-
- return 0;
-}
-
int uclass_next_device(struct udevice **devp)
{
struct udevice *dev = *devp;
@@ -611,11 +598,24 @@ int uclass_next_device(struct udevice **devp)
return uclass_get_device_tail(dev, ret, devp);
}
+int uclass_first_device_err(enum uclass_id id, struct udevice **devp)
+{
+ int ret;
+
+ ret = uclass_first_device_check(id, devp);
+ if (ret)
+ return ret;
+ else if (!*devp)
+ return -ENODEV;
+
+ return 0;
+}
+
int uclass_next_device_err(struct udevice **devp)
{
int ret;
- ret = uclass_next_device(devp);
+ ret = uclass_next_device_check(devp);
if (ret)
return ret;
else if (!*devp)
@@ -799,20 +799,18 @@ int uclass_pre_remove_device(struct udevice *dev)
int uclass_probe_all(enum uclass_id id)
{
struct udevice *dev;
- int ret;
+ int ret, err;
- ret = uclass_first_device(id, &dev);
- if (ret || !dev)
- return ret;
+ err = uclass_first_device_check(id, &dev);
/* Scanning uclass to probe all devices */
while (dev) {
- ret = uclass_next_device(&dev);
+ ret = uclass_next_device_check(&dev);
if (ret)
- return ret;
+ err = ret;
}
- return 0;
+ return err;
}
int uclass_id_count(enum uclass_id id)
diff --git a/drivers/cpu/cpu-uclass.c b/drivers/cpu/cpu-uclass.c
index 71e5900d70e..a7548325265 100644
--- a/drivers/cpu/cpu-uclass.c
+++ b/drivers/cpu/cpu-uclass.c
@@ -20,25 +20,13 @@ DECLARE_GLOBAL_DATA_PTR;
int cpu_probe_all(void)
{
- struct udevice *cpu;
- int ret;
+ int ret = uclass_probe_all(UCLASS_CPU);
- ret = uclass_first_device(UCLASS_CPU, &cpu);
if (ret) {
- debug("%s: No CPU found (err = %d)\n", __func__, ret);
- return ret;
- }
-
- while (cpu) {
- ret = uclass_next_device(&cpu);
- if (ret) {
- debug("%s: Error while probing CPU (err = %d)\n",
- __func__, ret);
- return ret;
- }
+ debug("%s: Error while probing CPUs (err = %d %s)\n",
+ __func__, ret, errno_str(ret));
}
-
- return 0;
+ return ret;
}
int cpu_is_current(struct udevice *cpu)
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index b2f4a4e7219..a2595d19e7f 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -644,7 +644,7 @@ static int omap_hsmmc_execute_tuning(struct udevice *dev, uint opcode)
((mmc->selected_mode == UHS_SDR50) && (val & CAPA2_TSDR50))))
return 0;
- ret = uclass_first_device(UCLASS_THERMAL, &thermal_dev);
+ ret = uclass_first_device_err(UCLASS_THERMAL, &thermal_dev);
if (ret) {
printf("Couldn't get thermal device for tuning\n");
return ret;
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 058b2f6359d..5cff81ac443 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -1217,7 +1217,7 @@ static int skip_to_next_device(struct udevice *bus, struct udevice **devp)
* Scan through all the PCI controllers. On x86 there will only be one
* but that is not necessarily true on other hardware.
*/
- do {
+ while (bus) {
device_find_first_child(bus, &dev);
if (dev) {
*devp = dev;
@@ -1226,7 +1226,7 @@ static int skip_to_next_device(struct udevice *bus, struct udevice **devp)
ret = uclass_next_device(&bus);
if (ret)
return ret;
- } while (bus);
+ }
return 0;
}
diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index da3e1eb3ab1..83cda1f2040 100644
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -143,7 +143,7 @@ static void serial_find_console_or_panic(void)
#else
if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
!uclass_get_device(UCLASS_SERIAL, INDEX, &dev) ||
- (!uclass_first_device(UCLASS_SERIAL, &dev) && dev)) {
+ !uclass_first_device_err(UCLASS_SERIAL, &dev)) {
gd->cur_serial_dev = dev;
return;
}
diff --git a/drivers/serial/serial_bcm283x_mu.c b/drivers/serial/serial_bcm283x_mu.c
index 493a42b4ccc..12cbcb9858c 100644
--- a/drivers/serial/serial_bcm283x_mu.c
+++ b/drivers/serial/serial_bcm283x_mu.c
@@ -147,7 +147,7 @@ static bool bcm283x_is_serial_muxed(void)
int serial_gpio = 15;
struct udevice *dev;
- if (uclass_first_device(UCLASS_PINCTRL, &dev) || !dev)
+ if (uclass_first_device_err(UCLASS_PINCTRL, &dev))
return false;
if (pinctrl_get_gpio_mux(dev, 0, serial_gpio) != BCM2835_GPIO_ALT5)
diff --git a/drivers/serial/serial_bcm283x_pl011.c b/drivers/serial/serial_bcm283x_pl011.c
index fe746294cdc..7d172cdac0a 100644
--- a/drivers/serial/serial_bcm283x_pl011.c
+++ b/drivers/serial/serial_bcm283x_pl011.c
@@ -24,7 +24,7 @@ static bool bcm283x_is_serial_muxed(void)
int serial_gpio = 15;
struct udevice *dev;
- if (uclass_first_device(UCLASS_PINCTRL, &dev) || !dev)
+ if (uclass_first_device_err(UCLASS_PINCTRL, &dev))
return false;
if (pinctrl_get_gpio_mux(dev, 0, serial_gpio) != BCM2835_GPIO_ALT0)
diff --git a/drivers/sysreset/sysreset_ast.c b/drivers/sysreset/sysreset_ast.c
index d747ed00a7f..92fad96871b 100644
--- a/drivers/sysreset/sysreset_ast.c
+++ b/drivers/sysreset/sysreset_ast.c
@@ -18,7 +18,7 @@ static int ast_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
struct udevice *wdt;
u32 reset_mode;
- int ret = uclass_first_device(UCLASS_WDT, &wdt);
+ int ret = uclass_first_device_err(UCLASS_WDT, &wdt);
if (ret)
return ret;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 6ce389de9f0..43aec7ffa70 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -2636,18 +2636,17 @@ static const struct eth_ops usb_eth_ops = {
int usb_ether_init(void)
{
- struct udevice *dev;
struct udevice *usb_dev;
int ret;
- ret = uclass_first_device(UCLASS_USB_GADGET_GENERIC, &usb_dev);
- if (!usb_dev || ret) {
+ uclass_first_device(UCLASS_USB_GADGET_GENERIC, &usb_dev);
+ if (!usb_dev) {
pr_err("No USB device found\n");
- return ret;
+ return -ENODEV;
}
- ret = device_bind_driver(usb_dev, "usb_ether", "usb_ether", &dev);
- if (!dev || ret) {
+ ret = device_bind_driver(usb_dev, "usb_ether", "usb_ether", NULL);
+ if (ret) {
pr_err("usb - not able to bind usb_ether device\n");
return ret;
}
diff --git a/drivers/video/exynos/exynos_fb.c b/drivers/video/exynos/exynos_fb.c
index 69992b3c2ba..86970a6d5d2 100644
--- a/drivers/video/exynos/exynos_fb.c
+++ b/drivers/video/exynos/exynos_fb.c
@@ -640,25 +640,17 @@ static int exynos_fb_probe(struct udevice *dev)
#endif
exynos_fimd_lcd_init(dev);
- ret = uclass_first_device(UCLASS_PANEL, &panel);
+ ret = uclass_first_device_err(UCLASS_PANEL, &panel);
if (ret) {
- printf("LCD panel failed to probe\n");
+ printf("%s: LCD panel failed to probe %d\n", __func__, ret);
return ret;
}
- if (!panel) {
- printf("LCD panel not found\n");
- return -ENODEV;
- }
- ret = uclass_first_device(UCLASS_DISPLAY, &dp);
+ ret = uclass_first_device_err(UCLASS_DISPLAY, &dp);
if (ret) {
debug("%s: Display device error %d\n", __func__, ret);
return ret;
}
- if (!dev) {
- debug("%s: Display device missing\n", __func__);
- return -ENODEV;
- }
ret = display_enable(dp, 18, NULL);
if (ret) {
debug("%s: Display enable error %d\n", __func__, ret);
diff --git a/drivers/video/imx/mxc_ipuv3_fb.c b/drivers/video/imx/mxc_ipuv3_fb.c
index 49bbeefdd8e..8b01a1be112 100644
--- a/drivers/video/imx/mxc_ipuv3_fb.c
+++ b/drivers/video/imx/mxc_ipuv3_fb.c
@@ -609,12 +609,11 @@ static int ipuv3_video_probe(struct udevice *dev)
return ret;
#if defined(CONFIG_DISPLAY)
- ret = uclass_first_device(UCLASS_DISPLAY, &disp_dev);
- if (disp_dev) {
+ ret = uclass_first_device_err(UCLASS_DISPLAY, &disp_dev);
+ if (!ret)
ret = display_enable(disp_dev, 16, NULL);
- if (ret < 0)
- return ret;
- }
+ if (ret < 0)
+ return ret;
#endif
if (CONFIG_IS_ENABLED(PANEL)) {
struct udevice *panel_dev;
diff --git a/drivers/video/mali_dp.c b/drivers/video/mali_dp.c
index ba1ddd64e08..cbcdb99e1f0 100644
--- a/drivers/video/mali_dp.c
+++ b/drivers/video/mali_dp.c
@@ -244,7 +244,7 @@ static int malidp_update_timings_from_edid(struct udevice *dev,
struct udevice *disp_dev;
int err;
- err = uclass_first_device(UCLASS_DISPLAY, &disp_dev);
+ err = uclass_first_device_err(UCLASS_DISPLAY, &disp_dev);
if (err)
return err;
diff --git a/drivers/video/stm32/stm32_dsi.c b/drivers/video/stm32/stm32_dsi.c
index 5871ac7c4ff..e6347bb8da6 100644
--- a/drivers/video/stm32/stm32_dsi.c
+++ b/drivers/video/stm32/stm32_dsi.c
@@ -346,7 +346,7 @@ static int stm32_dsi_attach(struct udevice *dev)
struct display_timing timings;
int ret;
- ret = uclass_first_device(UCLASS_PANEL, &priv->panel);
+ ret = uclass_first_device_err(UCLASS_PANEL, &priv->panel);
if (ret) {
dev_err(dev, "panel device error %d\n", ret);
return ret;
diff --git a/drivers/video/tegra124/dp.c b/drivers/video/tegra124/dp.c
index ee4f09a0c49..b27b1633bab 100644
--- a/drivers/video/tegra124/dp.c
+++ b/drivers/video/tegra124/dp.c
@@ -1494,8 +1494,8 @@ int tegra_dp_enable(struct udevice *dev, int panel_bpp,
return -ENOLINK;
}
- ret = uclass_first_device(UCLASS_VIDEO_BRIDGE, &sor);
- if (ret || !sor) {
+ ret = uclass_first_device_err(UCLASS_VIDEO_BRIDGE, &sor);
+ if (ret) {
debug("dp: failed to find SOR device: ret=%d\n", ret);
return ret;
}
diff --git a/drivers/virtio/virtio-uclass.c b/drivers/virtio/virtio-uclass.c
index 9e2d0e06a1e..da4f2f26a63 100644
--- a/drivers/virtio/virtio-uclass.c
+++ b/drivers/virtio/virtio-uclass.c
@@ -183,21 +183,8 @@ void virtio_driver_features_init(struct virtio_dev_priv *priv,
int virtio_init(void)
{
- struct udevice *bus;
- int ret;
-
/* Enumerate all known virtio devices */
- ret = uclass_first_device(UCLASS_VIRTIO, &bus);
- if (ret)
- return ret;
-
- while (bus) {
- ret = uclass_next_device(&bus);
- if (ret)
- break;
- }
-
- return ret;
+ return uclass_probe_all(UCLASS_VIRTIO);
}
static int virtio_uclass_pre_probe(struct udevice *udev)
diff --git a/drivers/w1/w1-uclass.c b/drivers/w1/w1-uclass.c
index 52b519c21d2..de4f25bcf95 100644
--- a/drivers/w1/w1-uclass.c
+++ b/drivers/w1/w1-uclass.c
@@ -16,6 +16,7 @@
#include <common.h>
#include <dm.h>
+#include <errno.h>
#include <log.h>
#include <w1.h>
#include <w1-eeprom.h>
@@ -182,24 +183,25 @@ static int w1_enumerate(struct udevice *bus)
int w1_get_bus(int busnum, struct udevice **busp)
{
int ret, i = 0;
-
struct udevice *dev;
- for (ret = uclass_first_device(UCLASS_W1, &dev);
- dev && !ret;
- ret = uclass_next_device(&dev), i++) {
+ for (ret = uclass_first_device_check(UCLASS_W1, &dev);
+ dev;
+ ret = uclass_next_device_check(&dev), i++) {
if (i == busnum) {
+ if (ret) {
+ debug("Cannot probe w1 bus %d: %d (%s)\n",
+ busnum, ret, errno_str(ret));
+ return ret;
+ }
*busp = dev;
return 0;
}
}
- if (!ret) {
- debug("Cannot find w1 bus %d\n", busnum);
- ret = -ENODEV;
- }
+ debug("Cannot find w1 bus %d\n", busnum);
- return ret;
+ return -ENODEV;
}
u8 w1_get_device_family(struct udevice *dev)
diff --git a/drivers/xen/pvblock.c b/drivers/xen/pvblock.c
index 970182cd904..95e298d7ddc 100644
--- a/drivers/xen/pvblock.c
+++ b/drivers/xen/pvblock.c
@@ -852,10 +852,7 @@ static int pvblock_probe(struct udevice *udev)
ret = uclass_get(UCLASS_BLK, &uc);
if (ret)
return ret;
- uclass_foreach_dev_probe(UCLASS_BLK, udev) {
- if (_ret)
- return _ret;
- };
+ uclass_foreach_dev_probe(UCLASS_BLK, udev);
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-24 10:05:50 +0000