diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/554-ssb-register-watchdog-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.6/554-ssb-register-watchdog-driver.patch | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/554-ssb-register-watchdog-driver.patch b/target/linux/brcm47xx/patches-3.6/554-ssb-register-watchdog-driver.patch new file mode 100644 index 0000000000..c814c54ac4 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.6/554-ssb-register-watchdog-driver.patch @@ -0,0 +1,122 @@ +--- a/drivers/ssb/embedded.c ++++ b/drivers/ssb/embedded.c +@@ -4,11 +4,13 @@ + * + * Copyright 2005-2008, Broadcom Corporation + * Copyright 2006-2008, Michael Buesch <m@bues.ch> ++ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + + #include <linux/export.h> ++#include <linux/platform_device.h> + #include <linux/ssb/ssb.h> + #include <linux/ssb/ssb_embedded.h> + #include <linux/ssb/ssb_driver_pci.h> +@@ -32,6 +34,39 @@ int ssb_watchdog_timer_set(struct ssb_bu + } + EXPORT_SYMBOL(ssb_watchdog_timer_set); + ++int ssb_watchdog_register(struct ssb_bus *bus) ++{ ++ struct bcm47xx_wdt wdt = {}; ++ struct platform_device *pdev; ++ ++ if (ssb_chipco_available(&bus->chipco)) { ++ wdt.driver_data = &bus->chipco; ++ wdt.timer_set = ssb_chipco_watchdog_timer_set_wdt; ++ wdt.timer_set_ms = ssb_chipco_watchdog_timer_set_ms; ++ wdt.max_timer_ms = bus->chipco.max_timer_ms; ++ } else if (ssb_extif_available(&bus->extif)) { ++ wdt.driver_data = &bus->extif; ++ wdt.timer_set = ssb_extif_watchdog_timer_set_wdt; ++ wdt.timer_set_ms = ssb_extif_watchdog_timer_set_ms; ++ wdt.max_timer_ms = SSB_EXTIF_WATCHDOG_MAX_TIMER_MS; ++ } else { ++ return -ENODEV; ++ } ++ ++ pdev = platform_device_register_data(NULL, "bcm47xx-wdt", ++ bus->busnumber, &wdt, ++ sizeof(wdt)); ++ if (IS_ERR(pdev)) { ++ ssb_dprintk(KERN_INFO PFX ++ "can not register watchdog device, err: %li\n", ++ PTR_ERR(pdev)); ++ return PTR_ERR(pdev); ++ } ++ ++ bus->watchdog = pdev; ++ return 0; ++} ++ + u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask) + { + unsigned long flags; +--- a/drivers/ssb/main.c ++++ b/drivers/ssb/main.c +@@ -13,6 +13,7 @@ + #include <linux/delay.h> + #include <linux/io.h> + #include <linux/module.h> ++#include <linux/platform_device.h> + #include <linux/ssb/ssb.h> + #include <linux/ssb/ssb_regs.h> + #include <linux/ssb/ssb_driver_gige.h> +@@ -434,6 +435,11 @@ static void ssb_devices_unregister(struc + if (sdev->dev) + device_unregister(sdev->dev); + } ++ ++#ifdef CONFIG_SSB_EMBEDDED ++ if (bus->bustype == SSB_BUSTYPE_SSB) ++ platform_device_unregister(bus->watchdog); ++#endif + } + + void ssb_bus_unregister(struct ssb_bus *bus) +@@ -579,6 +585,8 @@ static int __devinit ssb_attach_queued_b + if (err) + goto error; + ssb_pcicore_init(&bus->pcicore); ++ if (bus->bustype == SSB_BUSTYPE_SSB) ++ ssb_watchdog_register(bus); + ssb_bus_may_powerdown(bus); + + err = ssb_devices_register(bus); +--- a/drivers/ssb/ssb_private.h ++++ b/drivers/ssb/ssb_private.h +@@ -246,4 +246,14 @@ static inline u32 ssb_extif_watchdog_tim + return 0; + } + #endif ++ ++#ifdef CONFIG_SSB_EMBEDDED ++extern int ssb_watchdog_register(struct ssb_bus *bus); ++#else /* CONFIG_SSB_EMBEDDED */ ++static inline int ssb_watchdog_register(struct ssb_bus *bus) ++{ ++ return 0; ++} ++#endif /* CONFIG_SSB_EMBEDDED */ ++ + #endif /* LINUX_SSB_PRIVATE_H_ */ +--- a/include/linux/ssb/ssb.h ++++ b/include/linux/ssb/ssb.h +@@ -8,6 +8,7 @@ + #include <linux/pci.h> + #include <linux/mod_devicetable.h> + #include <linux/dma-mapping.h> ++#include <linux/platform_device.h> + + #include <linux/ssb/ssb_regs.h> + +@@ -432,6 +433,7 @@ struct ssb_bus { + #ifdef CONFIG_SSB_EMBEDDED + /* Lock for GPIO register access. */ + spinlock_t gpio_lock; ++ struct platform_device *watchdog; + #endif /* EMBEDDED */ + + /* Internal-only stuff follows. Do not touch. */ |