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Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/541-watchdog-bcm47xx_wdt.c-use-platform-device.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.6/541-watchdog-bcm47xx_wdt.c-use-platform-device.patch283
1 files changed, 0 insertions, 283 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/541-watchdog-bcm47xx_wdt.c-use-platform-device.patch b/target/linux/brcm47xx/patches-3.6/541-watchdog-bcm47xx_wdt.c-use-platform-device.patch
deleted file mode 100644
index 1f589f17d5..0000000000
--- a/target/linux/brcm47xx/patches-3.6/541-watchdog-bcm47xx_wdt.c-use-platform-device.patch
+++ /dev/null
@@ -1,283 +0,0 @@
---- a/drivers/watchdog/bcm47xx_wdt.c
-+++ b/drivers/watchdog/bcm47xx_wdt.c
-@@ -3,6 +3,7 @@
- *
- * Copyright (C) 2008 Aleksandar Radovanovic <biblbroks@sezampro.rs>
- * Copyright (C) 2009 Matthieu CASTET <castet.matthieu@free.fr>
-+ * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
-@@ -12,19 +13,19 @@
-
- #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-+#include <linux/bcm47xx_wdt.h>
- #include <linux/bitops.h>
- #include <linux/errno.h>
- #include <linux/init.h>
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/moduleparam.h>
-+#include <linux/platform_device.h>
- #include <linux/reboot.h>
- #include <linux/types.h>
- #include <linux/watchdog.h>
- #include <linux/timer.h>
- #include <linux/jiffies.h>
--#include <linux/ssb/ssb_embedded.h>
--#include <asm/mach-bcm47xx/bcm47xx.h>
-
- #define DRV_NAME "bcm47xx_wdt"
-
-@@ -43,48 +44,19 @@ MODULE_PARM_DESC(nowayout,
- "Watchdog cannot be stopped once started (default="
- __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-
--static struct timer_list wdt_timer;
--static atomic_t ticks;
--
--static inline void bcm47xx_wdt_hw_start(void)
-+static inline struct bcm47xx_wdt *bcm47xx_wdt_get(struct watchdog_device *wdd)
- {
-- /* this is 2,5s on 100Mhz clock and 2s on 133 Mhz */
-- switch (bcm47xx_bus_type) {
--#ifdef CONFIG_BCM47XX_SSB
-- case BCM47XX_BUS_TYPE_SSB:
-- ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0xfffffff);
-- break;
--#endif
--#ifdef CONFIG_BCM47XX_BCMA
-- case BCM47XX_BUS_TYPE_BCMA:
-- bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc,
-- 0xfffffff);
-- break;
--#endif
-- }
-+ return container_of(wdd, struct bcm47xx_wdt, wdd);
- }
-
--static inline int bcm47xx_wdt_hw_stop(void)
-+static void bcm47xx_timer_tick(unsigned long data)
- {
-- switch (bcm47xx_bus_type) {
--#ifdef CONFIG_BCM47XX_SSB
-- case BCM47XX_BUS_TYPE_SSB:
-- return ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0);
--#endif
--#ifdef CONFIG_BCM47XX_BCMA
-- case BCM47XX_BUS_TYPE_BCMA:
-- bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 0);
-- return 0;
--#endif
-- }
-- return -EINVAL;
--}
-+ struct bcm47xx_wdt *wdt = (struct bcm47xx_wdt *)data;
-+ u32 next_tick = min(wdt->wdd.timeout * 1000, wdt->max_timer_ms);
-
--static void bcm47xx_timer_tick(unsigned long unused)
--{
-- if (!atomic_dec_and_test(&ticks)) {
-- bcm47xx_wdt_hw_start();
-- mod_timer(&wdt_timer, jiffies + HZ);
-+ if (!atomic_dec_and_test(&wdt->soft_ticks)) {
-+ wdt->timer_set_ms(wdt, next_tick);
-+ mod_timer(&wdt->soft_timer, jiffies + HZ);
- } else {
- pr_crit("Watchdog will fire soon!!!\n");
- }
-@@ -92,23 +64,29 @@ static void bcm47xx_timer_tick(unsigned
-
- static int bcm47xx_wdt_keepalive(struct watchdog_device *wdd)
- {
-- atomic_set(&ticks, wdt_time);
-+ struct bcm47xx_wdt *wdt = bcm47xx_wdt_get(wdd);
-+
-+ atomic_set(&wdt->soft_ticks, wdd->timeout);
-
- return 0;
- }
-
- static int bcm47xx_wdt_start(struct watchdog_device *wdd)
- {
-- bcm47xx_wdt_pet();
-- bcm47xx_timer_tick(0);
-+ struct bcm47xx_wdt *wdt = bcm47xx_wdt_get(wdd);
-+
-+ bcm47xx_wdt_keepalive(wdd);
-+ bcm47xx_timer_tick((unsigned long)wdt);
-
- return 0;
- }
-
- static int bcm47xx_wdt_stop(struct watchdog_device *wdd)
- {
-- del_timer_sync(&wdt_timer);
-- bcm47xx_wdt_hw_stop();
-+ struct bcm47xx_wdt *wdt = bcm47xx_wdt_get(wdd);
-+
-+ del_timer_sync(&wdt->soft_timer);
-+ wdt->timer_set(wdt, 0);
-
- return 0;
- }
-@@ -116,10 +94,13 @@ static int bcm47xx_wdt_stop(struct watch
- static int bcm47xx_wdt_set_timeout(struct watchdog_device *wdd,
- unsigned int new_time)
- {
-- if ((new_time <= 0) || (new_time > WDT_MAX_TIME))
-+ if (new_time < 1 || new_time > WDT_MAX_TIME) {
-+ pr_warn("timeout value must be 1<=x<=%d, using %d\n",
-+ WDT_MAX_TIME, new_time);
- return -EINVAL;
-+ }
-
-- wdt_time = new_time;
-+ wdd->timeout = new_time;
- return 0;
- }
-
-@@ -133,8 +114,11 @@ static const struct watchdog_info bcm47x
- static int bcm47xx_wdt_notify_sys(struct notifier_block *this,
- unsigned long code, void *unused)
- {
-+ struct bcm47xx_wdt *wdt;
-+
-+ wdt = container_of(this, struct bcm47xx_wdt, notifier);
- if (code == SYS_DOWN || code == SYS_HALT)
-- bcm47xx_wdt_stop();
-+ wdt->wdd.ops->stop(&wdt->wdd);
- return NOTIFY_DONE;
- }
-
-@@ -146,56 +130,72 @@ static struct watchdog_ops bcm47xx_wdt_o
- .set_timeout = bcm47xx_wdt_set_timeout,
- };
-
--static struct watchdog_device bcm47xx_wdt_wdd = {
-- .info = &bcm47xx_wdt_info,
-- .ops = &bcm47xx_wdt_ops,
--};
--
--static struct notifier_block bcm47xx_wdt_notifier = {
-- .notifier_call = bcm47xx_wdt_notify_sys,
--};
--
--static int __init bcm47xx_wdt_init(void)
-+static int __devinit bcm47xx_wdt_probe(struct platform_device *pdev)
- {
- int ret;
-+ struct bcm47xx_wdt *wdt = dev_get_platdata(&pdev->dev);
-
-- if (bcm47xx_wdt_hw_stop() < 0)
-- return -ENODEV;
-+ if (!wdt)
-+ return -ENXIO;
-
-- setup_timer(&wdt_timer, bcm47xx_timer_tick, 0L);
-+ setup_timer(&wdt->soft_timer, bcm47xx_timer_tick,
-+ (long unsigned int)wdt);
-
-- if (bcm47xx_wdt_settimeout(wdt_time)) {
-- bcm47xx_wdt_settimeout(WDT_DEFAULT_TIME);
-- pr_info("wdt_time value must be 0 < wdt_time < %d, using %d\n",
-- (WDT_MAX_TIME + 1), wdt_time);
-- }
-- watchdog_set_nowayout(&bcm47xx_wdt_wdd, nowayout);
-+ wdt->wdd.ops = &bcm47xx_wdt_ops;
-+ wdt->wdd.info = &bcm47xx_wdt_info;
-+ wdt->wdd.timeout = WDT_DEFAULT_TIME;
-+ ret = wdt->wdd.ops->set_timeout(&wdt->wdd, timeout);
-+ if (ret)
-+ goto err_timer;
-+ watchdog_set_nowayout(&wdt->wdd, nowayout);
-+
-+ wdt->notifier.notifier_call = &bcm47xx_wdt_notify_sys;
-
-- ret = register_reboot_notifier(&bcm47xx_wdt_notifier);
-+ ret = register_reboot_notifier(&wdt->notifier);
- if (ret)
-- return ret;
-+ goto err_timer;
-
-- ret = watchdog_register_device(&bcm47xx_wdt_wdd);
-- if (ret) {
-- unregister_reboot_notifier(&bcm47xx_wdt_notifier);
-- return ret;
-- }
-+ ret = watchdog_register_device(&wdt->wdd);
-+ if (ret)
-+ goto err_notifier;
-
- pr_info("BCM47xx Watchdog Timer enabled (%d seconds%s)\n",
- wdt_time, nowayout ? ", nowayout" : "");
- return 0;
-+
-+err_notifier:
-+ unregister_reboot_notifier(&wdt->notifier);
-+err_timer:
-+ del_timer_sync(&wdt->soft_timer);
-+
-+ return ret;
- }
-
--static void __exit bcm47xx_wdt_exit(void)
-+static int __devexit bcm47xx_wdt_remove(struct platform_device *pdev)
- {
-- watchdog_unregister_device(&bcm47xx_wdt_wdd);
-+ struct bcm47xx_wdt *wdt = dev_get_platdata(&pdev->dev);
-+
-+ if (!wdt)
-+ return -ENXIO;
-+
-+ watchdog_unregister_device(&wdt->wdd);
-+ unregister_reboot_notifier(&wdt->notifier);
-
-- unregister_reboot_notifier(&bcm47xx_wdt_notifier);
-+ return 0;
- }
-
--module_init(bcm47xx_wdt_init);
--module_exit(bcm47xx_wdt_exit);
-+static struct platform_driver bcm47xx_wdt_driver = {
-+ .driver = {
-+ .owner = THIS_MODULE,
-+ .name = "bcm47xx-wdt",
-+ },
-+ .probe = bcm47xx_wdt_probe,
-+ .remove = __devexit_p(bcm47xx_wdt_remove),
-+};
-+
-+module_platform_driver(bcm47xx_wdt_driver);
-
- MODULE_AUTHOR("Aleksandar Radovanovic");
-+MODULE_AUTHOR("Hauke Mehrtens <hauke@hauke-m.de>");
- MODULE_DESCRIPTION("Watchdog driver for Broadcom BCM47xx");
- MODULE_LICENSE("GPL");
---- a/include/linux/bcm47xx_wdt.h
-+++ b/include/linux/bcm47xx_wdt.h
-@@ -1,7 +1,10 @@
- #ifndef LINUX_BCM47XX_WDT_H_
- #define LINUX_BCM47XX_WDT_H_
-
-+#include <linux/notifier.h>
-+#include <linux/timer.h>
- #include <linux/types.h>
-+#include <linux/watchdog.h>
-
-
- struct bcm47xx_wdt {
-@@ -10,6 +13,12 @@ struct bcm47xx_wdt {
- u32 max_timer_ms;
-
- void *driver_data;
-+
-+ struct watchdog_device wdd;
-+ struct notifier_block notifier;
-+
-+ struct timer_list soft_timer;
-+ atomic_t soft_ticks;
- };
-
- static inline void *bcm47xx_wdt_get_drvdata(struct bcm47xx_wdt *wdt)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 14:12:15 +0000