diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0052-watchdog-ixp4xx-Implement-restart.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0052-watchdog-ixp4xx-Implement-restart.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0052-watchdog-ixp4xx-Implement-restart.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0052-watchdog-ixp4xx-Implement-restart.patch new file mode 100644 index 00000000..403e9725 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0052-watchdog-ixp4xx-Implement-restart.patch @@ -0,0 +1,51 @@ +From 0b531a140a06ff68bce9bf3ed881d2daf40eec7e Mon Sep 17 00:00:00 2001 +From: Linus Walleij <linus.walleij@linaro.org> +Date: Mon, 7 Feb 2022 00:00:28 +0100 +Subject: [PATCH 52/86] watchdog: ixp4xx: Implement restart + +commit 1aea522809e67f42295ceb1d21429d76c43697e4 upstream + +Implement watchdog restart in the IXP4xx watchdog timer. + +Signed-off-by: Linus Walleij <linus.walleij@linaro.org> +Reviewed-by: Guenter Roeck <linux@roeck-us.net> +Link: https://lore.kernel.org/r/20220206230028.476659-1-linus.walleij@linaro.org +Signed-off-by: Guenter Roeck <linux@roeck-us.net> +Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org> +Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.com> +--- + drivers/watchdog/ixp4xx_wdt.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/drivers/watchdog/ixp4xx_wdt.c b/drivers/watchdog/ixp4xx_wdt.c +index 31b03fa71341..281a48d9889f 100644 +--- a/drivers/watchdog/ixp4xx_wdt.c ++++ b/drivers/watchdog/ixp4xx_wdt.c +@@ -84,10 +84,24 @@ static int ixp4xx_wdt_set_timeout(struct watchdog_device *wdd, + return 0; + } + ++static int ixp4xx_wdt_restart(struct watchdog_device *wdd, ++ unsigned long action, void *data) ++{ ++ struct ixp4xx_wdt *iwdt = to_ixp4xx_wdt(wdd); ++ ++ __raw_writel(IXP4XX_WDT_KEY, iwdt->base + IXP4XX_OSWK_OFFSET); ++ __raw_writel(0, iwdt->base + IXP4XX_OSWT_OFFSET); ++ __raw_writel(IXP4XX_WDT_COUNT_ENABLE | IXP4XX_WDT_RESET_ENABLE, ++ iwdt->base + IXP4XX_OSWE_OFFSET); ++ ++ return 0; ++} ++ + static const struct watchdog_ops ixp4xx_wdt_ops = { + .start = ixp4xx_wdt_start, + .stop = ixp4xx_wdt_stop, + .set_timeout = ixp4xx_wdt_set_timeout, ++ .restart = ixp4xx_wdt_restart, + .owner = THIS_MODULE, + }; + +-- +2.37.3 + |