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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-10 09:41:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-10 09:41:22 -0800
commit89d714ab6043bca7356b5c823f5335f5dce1f930 (patch)
treef7a5ccb56675dd90de30a70827e532054f724f9a /drivers/watchdog/mtk_wdt.c
parentbd485d274be3935da61c349dc82cb7471bac0a9a (diff)
parentc738888032ffafa1bbb971cd55b3d43b05b344cf (diff)
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Merge tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck: - f71808e_wdt: convert to watchdog framework - db8500_wdt: Rename driver (was ux500_wdt.c) - sunxi: Add compatibles for R329 and D1 - mtk: add disable_wdt_extrst support - several other small fixes and improvements * tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (30 commits) watchdog: db8500_wdt: Rename symbols watchdog: db8500_wdt: Rename driver watchdog: ux500_wdt: Drop platform data watchdog: bcm63xx_wdt: fix fallthrough warning watchdog: iTCO_wdt: No need to stop the timer in probe watchdog: s3c2410: describe driver in KConfig watchdog: sp5100_tco: Add support for get_timeleft watchdog: mtk: add disable_wdt_extrst support dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support watchdog: rza_wdt: Use semicolons instead of commas watchdog: mlx-wdt: Use regmap_write_bits() watchdog: rti-wdt: Make use of the helper function devm_platform_ioremap_resource() watchdog: iTCO_wdt: Make use of the helper function devm_platform_ioremap_resource() watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname() watchdog: sunxi_wdt: Add support for D1 dt-bindings: watchdog: sunxi: Add compatibles for D1 ar7: fix kernel builds for compiler test dt-bindings: watchdog: sunxi: Add compatibles for R329 watchdog: meson_gxbb_wdt: add timeout parameter watchdog: meson_gxbb_wdt: add nowayout parameter ...
Diffstat (limited to 'drivers/watchdog/mtk_wdt.c')
-rw-r--r--drivers/watchdog/mtk_wdt.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 3d208d627fb0..543cf38bd04e 100644
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -65,6 +65,7 @@ struct mtk_wdt_dev {
void __iomem *wdt_base;
spinlock_t lock; /* protects WDT_SWSYSRST reg */
struct reset_controller_dev rcdev;
+ bool disable_wdt_extrst;
};
struct mtk_wdt_data {
@@ -256,6 +257,8 @@ static int mtk_wdt_start(struct watchdog_device *wdt_dev)
reg |= (WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN);
else
reg &= ~(WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN);
+ if (mtk_wdt->disable_wdt_extrst)
+ reg &= ~WDT_MODE_EXRST_EN;
reg |= (WDT_MODE_EN | WDT_MODE_KEY);
iowrite32(reg, wdt_base + WDT_MODE);
@@ -381,6 +384,10 @@ static int mtk_wdt_probe(struct platform_device *pdev)
if (err)
return err;
}
+
+ mtk_wdt->disable_wdt_extrst =
+ of_property_read_bool(dev->of_node, "mediatek,disable-extrst");
+
return 0;
}