firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-drivers_watchdog_sunx...

73 lines
2.2 KiB
Diff

diff -drupN a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
--- a/drivers/watchdog/sunxi_wdt.c 2018-08-06 17:23:04.000000000 +0300
+++ b/drivers/watchdog/sunxi_wdt.c 2022-06-12 05:28:14.000000000 +0300
@@ -190,6 +190,32 @@ static int sunxi_wdt_start(struct watchd
return 0;
}
+#ifdef CONFIG_PM
+static int sunxi_wdt_suspend(struct platform_device *pdev, pm_message_t state)
+
+{
+ struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev);
+
+ if (watchdog_active(&sunxi_wdt->wdt_dev))
+ sunxi_wdt_stop(&sunxi_wdt->wdt_dev);
+
+ return 0;
+}
+
+static int sunxi_wdt_resume(struct platform_device *pdev)
+{
+ struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev);
+
+ if (watchdog_active(&sunxi_wdt->wdt_dev)) {
+ sunxi_wdt_set_timeout(&sunxi_wdt->wdt_dev,
+ sunxi_wdt->wdt_dev.timeout);
+ sunxi_wdt_start(&sunxi_wdt->wdt_dev);
+ }
+
+ return 0;
+}
+#endif /* CONFIG_PM */
+
static const struct watchdog_info sunxi_wdt_info = {
.identity = DRV_NAME,
.options = WDIOF_SETTIMEOUT |
@@ -225,8 +251,8 @@ static const struct sunxi_wdt_reg sun6i_
};
static const struct of_device_id sunxi_wdt_dt_ids[] = {
- { .compatible = "allwinner,sun4i-a10-wdt", .data = &sun4i_wdt_reg },
- { .compatible = "allwinner,sun6i-a31-wdt", .data = &sun6i_wdt_reg },
+ { .compatible = "allwinner,sun4i-wdt", .data = &sun4i_wdt_reg },
+ { .compatible = "allwinner,sun50i-wdt", .data = &sun6i_wdt_reg },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sunxi_wdt_dt_ids);
@@ -268,7 +294,13 @@ static int sunxi_wdt_probe(struct platfo
watchdog_set_drvdata(&sunxi_wdt->wdt_dev, sunxi_wdt);
+#ifdef CONFIG_SUNXI_WDOG_BOOTON
+ sunxi_wdt_set_timeout(&sunxi_wdt->wdt_dev, WDT_MAX_TIMEOUT);
+ sunxi_wdt_start(&sunxi_wdt->wdt_dev);
+ sunxi_wdt_ping(&sunxi_wdt->wdt_dev);
+#else
sunxi_wdt_stop(&sunxi_wdt->wdt_dev);
+#endif
err = watchdog_register_device(&sunxi_wdt->wdt_dev);
if (unlikely(err))
@@ -301,6 +333,10 @@ static struct platform_driver sunxi_wdt_
.probe = sunxi_wdt_probe,
.remove = sunxi_wdt_remove,
.shutdown = sunxi_wdt_shutdown,
+#ifdef CONFIG_PM
+ .suspend = sunxi_wdt_suspend,
+ .resume = sunxi_wdt_resume,
+#endif
.driver = {
.name = DRV_NAME,
.of_match_table = sunxi_wdt_dt_ids,