diff options
| -rw-r--r-- | drivers/net/dsa/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/dsa/dsa_loop.c | 63 | ||||
| -rw-r--r-- | drivers/net/dsa/dsa_loop.h | 20 | ||||
| -rw-r--r-- | drivers/net/dsa/dsa_loop_bdinfo.c | 36 | ||||
| -rw-r--r-- | drivers/net/phy/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/phy/mdio-boardinfo.c | 79 | ||||
| -rw-r--r-- | drivers/net/phy/mdio-boardinfo.h | 18 | ||||
| -rw-r--r-- | drivers/net/phy/mdio_bus_provider.c | 33 | ||||
| -rw-r--r-- | include/linux/phy.h | 10 |
9 files changed, 61 insertions, 203 deletions
diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile index c0a534fe6eaf..0f8ff4a1a313 100644 --- a/drivers/net/dsa/Makefile +++ b/drivers/net/dsa/Makefile @@ -2,9 +2,6 @@ obj-$(CONFIG_NET_DSA_BCM_SF2) += bcm-sf2.o bcm-sf2-objs := bcm_sf2.o bcm_sf2_cfp.o obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o -ifdef CONFIG_NET_DSA_LOOP -obj-$(CONFIG_FIXED_PHY) += dsa_loop_bdinfo.o -endif obj-$(CONFIG_NET_DSA_KS8995) += ks8995.o obj-$(CONFIG_NET_DSA_MT7530) += mt7530.o obj-$(CONFIG_NET_DSA_MT7530_MDIO) += mt7530-mdio.o diff --git a/drivers/net/dsa/dsa_loop.c b/drivers/net/dsa/dsa_loop.c index 8112515d545e..720738807e12 100644 --- a/drivers/net/dsa/dsa_loop.c +++ b/drivers/net/dsa/dsa_loop.c @@ -17,7 +17,19 @@ #include <linux/dsa/loop.h> #include <net/dsa.h> -#include "dsa_loop.h" +#define DSA_LOOP_NUM_PORTS 6 +#define DSA_LOOP_CPU_PORT (DSA_LOOP_NUM_PORTS - 1) +#define NUM_FIXED_PHYS (DSA_LOOP_NUM_PORTS - 2) + +struct dsa_loop_pdata { + /* Must be first, such that dsa_register_switch() can access this + * without gory pointer manipulations + */ + struct dsa_chip_data cd; + const char *name; + unsigned int enabled_ports; + const char *netdev; +}; static struct dsa_loop_mib_entry dsa_loop_mibs[] = { [DSA_LOOP_PHY_READ_OK] = { "phy_read_ok", }, @@ -27,6 +39,7 @@ static struct dsa_loop_mib_entry dsa_loop_mibs[] = { }; static struct phy_device *phydevs[PHY_MAX_ADDR]; +static struct mdio_device *switch_mdiodev; enum dsa_loop_devlink_resource_id { DSA_LOOP_DEVLINK_PARAM_ID_VTU, @@ -392,6 +405,42 @@ static void dsa_loop_phydevs_unregister(void) } } +static int __init dsa_loop_create_switch_mdiodev(void) +{ + static struct dsa_loop_pdata dsa_loop_pdata = { + .cd = { + .port_names[0] = "lan1", + .port_names[1] = "lan2", + .port_names[2] = "lan3", + .port_names[3] = "lan4", + .port_names[DSA_LOOP_CPU_PORT] = "cpu", + }, + .name = "DSA mockup driver", + .enabled_ports = 0x1f, + .netdev = "eth0", + }; + struct mii_bus *bus; + int ret = -ENODEV; + + bus = mdio_find_bus("fixed-0"); + if (WARN_ON(!bus)) + return ret; + + switch_mdiodev = mdio_device_create(bus, 31); + if (IS_ERR(switch_mdiodev)) + goto out; + + strscpy(switch_mdiodev->modalias, "dsa-loop"); + switch_mdiodev->dev.platform_data = &dsa_loop_pdata; + + ret = mdio_device_register(switch_mdiodev); + if (ret) + mdio_device_free(switch_mdiodev); +out: + put_device(&bus->dev); + return ret; +} + static int __init dsa_loop_init(void) { struct fixed_phy_status status = { @@ -402,12 +451,19 @@ static int __init dsa_loop_init(void) unsigned int i; int ret; + ret = dsa_loop_create_switch_mdiodev(); + if (ret) + return ret; + for (i = 0; i < NUM_FIXED_PHYS; i++) phydevs[i] = fixed_phy_register(&status, NULL); ret = mdio_driver_register(&dsa_loop_drv); - if (ret) + if (ret) { dsa_loop_phydevs_unregister(); + mdio_device_remove(switch_mdiodev); + mdio_device_free(switch_mdiodev); + } return ret; } @@ -417,10 +473,11 @@ static void __exit dsa_loop_exit(void) { mdio_driver_unregister(&dsa_loop_drv); dsa_loop_phydevs_unregister(); + mdio_device_remove(switch_mdiodev); + mdio_device_free(switch_mdiodev); } module_exit(dsa_loop_exit); -MODULE_SOFTDEP("pre: dsa_loop_bdinfo"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Florian Fainelli"); MODULE_DESCRIPTION("DSA loopback driver"); diff --git a/drivers/net/dsa/dsa_loop.h b/drivers/net/dsa/dsa_loop.h deleted file mode 100644 index 93e5c15d0efd..000000000000 --- a/drivers/net/dsa/dsa_loop.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __DSA_LOOP_H -#define __DSA_LOOP_H - -struct dsa_chip_data; - -struct dsa_loop_pdata { - /* Must be first, such that dsa_register_switch() can access this - * without gory pointer manipulations - */ - struct dsa_chip_data cd; - const char *name; - unsigned int enabled_ports; - const char *netdev; -}; - -#define DSA_LOOP_NUM_PORTS 6 -#define DSA_LOOP_CPU_PORT (DSA_LOOP_NUM_PORTS - 1) - -#endif /* __DSA_LOOP_H */ diff --git a/drivers/net/dsa/dsa_loop_bdinfo.c b/drivers/net/dsa/dsa_loop_bdinfo.c deleted file mode 100644 index 14ca42491512..000000000000 --- a/drivers/net/dsa/dsa_loop_bdinfo.c +++ /dev/null @@ -1,36 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/phy.h> -#include <net/dsa.h> - -#include "dsa_loop.h" - -static struct dsa_loop_pdata dsa_loop_pdata = { - .cd = { - .port_names[0] = "lan1", - .port_names[1] = "lan2", - .port_names[2] = "lan3", - .port_names[3] = "lan4", - .port_names[DSA_LOOP_CPU_PORT] = "cpu", - }, - .name = "DSA mockup driver", - .enabled_ports = 0x1f, - .netdev = "eth0", -}; - -static const struct mdio_board_info bdinfo = { - .bus_id = "fixed-0", - .modalias = "dsa-loop", - .mdio_addr = 31, - .platform_data = &dsa_loop_pdata, -}; - -static int __init dsa_loop_bdinfo_init(void) -{ - return mdiobus_register_board_info(&bdinfo, 1); -} -arch_initcall(dsa_loop_bdinfo_init) - -MODULE_DESCRIPTION("DSA mock-up switch driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 402a33d559de..76e0db40f879 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -8,7 +8,7 @@ mdio-bus-y += mdio_bus.o mdio_device.o ifdef CONFIG_PHYLIB # built-in whenever PHYLIB is built-in or module -obj-y += stubs.o mdio-boardinfo.o +obj-y += stubs.o endif libphy-$(CONFIG_SWPHY) += swphy.o diff --git a/drivers/net/phy/mdio-boardinfo.c b/drivers/net/phy/mdio-boardinfo.c deleted file mode 100644 index d3184e8f12ec..000000000000 --- a/drivers/net/phy/mdio-boardinfo.c +++ /dev/null @@ -1,79 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * mdio-boardinfo - Collect pre-declarations for MDIO devices - */ - -#include <linux/export.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/phy.h> -#include <linux/slab.h> - -#include "mdio-boardinfo.h" - -static LIST_HEAD(mdio_board_list); -static DEFINE_MUTEX(mdio_board_lock); - -struct mdio_board_entry { - struct list_head list; - struct mdio_board_info board_info; -}; - -/** - * mdiobus_setup_mdiodev_from_board_info - create and setup MDIO devices - * from pre-collected board specific MDIO information - * @bus: Bus the board_info belongs to - * @cb: Callback to create device on bus - * Context: can sleep - */ -void mdiobus_setup_mdiodev_from_board_info(struct mii_bus *bus, - int (*cb) - (struct mii_bus *bus, - struct mdio_board_info *bi)) -{ - struct mdio_board_entry *be, *tmp; - - mutex_lock(&mdio_board_lock); - list_for_each_entry_safe(be, tmp, &mdio_board_list, list) { - struct mdio_board_info *bi = &be->board_info; - - if (strcmp(bus->id, bi->bus_id)) - continue; - - mutex_unlock(&mdio_board_lock); - cb(bus, bi); - mutex_lock(&mdio_board_lock); - } - mutex_unlock(&mdio_board_lock); -} -EXPORT_SYMBOL(mdiobus_setup_mdiodev_from_board_info); - -/** - * mdiobus_register_board_info - register MDIO devices for a given board - * @info: array of devices descriptors - * @n: number of descriptors provided - * Context: can sleep - * - * The board info passed can be marked with __initdata but be pointers - * such as platform_data etc. are copied as-is - */ -int mdiobus_register_board_info(const struct mdio_board_info *info, - unsigned int n) -{ - struct mdio_board_entry *be; - - be = kcalloc(n, sizeof(*be), GFP_KERNEL); - if (!be) - return -ENOMEM; - - for (int i = 0; i < n; i++, be++) { - be->board_info = info[i]; - mutex_lock(&mdio_board_lock); - list_add_tail(&be->list, &mdio_board_list); - mutex_unlock(&mdio_board_lock); - } - - return 0; -} -EXPORT_SYMBOL(mdiobus_register_board_info); diff --git a/drivers/net/phy/mdio-boardinfo.h b/drivers/net/phy/mdio-boardinfo.h deleted file mode 100644 index 0878b77878d4..000000000000 --- a/drivers/net/phy/mdio-boardinfo.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * mdio-boardinfo.h - board info interface internal to the mdio_bus - * component - */ - -#ifndef __MDIO_BOARD_INFO_H -#define __MDIO_BOARD_INFO_H - -struct mii_bus; -struct mdio_board_info; - -void mdiobus_setup_mdiodev_from_board_info(struct mii_bus *bus, - int (*cb) - (struct mii_bus *bus, - struct mdio_board_info *bi)); - -#endif /* __MDIO_BOARD_INFO_H */ diff --git a/drivers/net/phy/mdio_bus_provider.c b/drivers/net/phy/mdio_bus_provider.c index f43973e73ea3..a2391d4b7e5c 100644 --- a/drivers/net/phy/mdio_bus_provider.c +++ b/drivers/net/phy/mdio_bus_provider.c @@ -29,8 +29,6 @@ #include <linux/uaccess.h> #include <linux/unistd.h> -#include "mdio-boardinfo.h" - /** * mdiobus_alloc_size - allocate a mii_bus structure * @size: extra amount of memory to allocate for private storage. @@ -132,35 +130,6 @@ static void of_mdiobus_link_mdiodev(struct mii_bus *bus, } #endif -/** - * mdiobus_create_device - create a full MDIO device given - * a mdio_board_info structure - * @bus: MDIO bus to create the devices on - * @bi: mdio_board_info structure describing the devices - * - * Returns 0 on success or < 0 on error. - */ -static int mdiobus_create_device(struct mii_bus *bus, - struct mdio_board_info *bi) -{ - struct mdio_device *mdiodev; - int ret = 0; - - mdiodev = mdio_device_create(bus, bi->mdio_addr); - if (IS_ERR(mdiodev)) - return -ENODEV; - - strscpy(mdiodev->modalias, bi->modalias, - sizeof(mdiodev->modalias)); - mdiodev->dev.platform_data = (void *)bi->platform_data; - - ret = mdio_device_register(mdiodev); - if (ret) - mdio_device_free(mdiodev); - - return ret; -} - static struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr, bool c45) { struct phy_device *phydev = ERR_PTR(-ENODEV); @@ -404,8 +373,6 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) goto error; } - mdiobus_setup_mdiodev_from_board_info(bus, mdiobus_create_device); - bus->state = MDIOBUS_REGISTERED; dev_dbg(&bus->dev, "probed\n"); return 0; diff --git a/include/linux/phy.h b/include/linux/phy.h index 6f3b25cb7f4e..7da9e19471c9 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -2129,16 +2129,6 @@ int __phy_hwtstamp_set(struct phy_device *phydev, extern const struct bus_type mdio_bus_type; extern const struct class mdio_bus_class; -struct mdio_board_info { - const char *bus_id; - char modalias[MDIO_NAME_SIZE]; - int mdio_addr; - const void *platform_data; -}; - -int mdiobus_register_board_info(const struct mdio_board_info *info, - unsigned int n); - /** * phy_module_driver() - Helper macro for registering PHY drivers * @__phy_drivers: array of PHY drivers to register |