From 5bad9df354c05a1bb64ea3af6dcf1fa8a2f63a9b Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 18 May 2009 20:56:56 +0000 Subject: [PATCH] disable the watchdog if the bootloader left it enabled SVN-Revision: 15920 --- ...004-gemini-disable-watchdog-in-probe.patch | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 target/linux/gemini/patches/004-gemini-disable-watchdog-in-probe.patch diff --git a/target/linux/gemini/patches/004-gemini-disable-watchdog-in-probe.patch b/target/linux/gemini/patches/004-gemini-disable-watchdog-in-probe.patch new file mode 100644 index 0000000000..d1f5c340da --- /dev/null +++ b/target/linux/gemini/patches/004-gemini-disable-watchdog-in-probe.patch @@ -0,0 +1,24 @@ +--- a/drivers/watchdog/gemini_wdt.c ++++ b/drivers/watchdog/gemini_wdt.c +@@ -224,6 +224,7 @@ static int __init gemini_wdt_probe(struc + struct resource *res; + void __iomem *base; + struct gemini_wdt_struct *gemini_wdt; ++ unsigned int reg; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { +@@ -267,6 +268,13 @@ static int __init gemini_wdt_probe(struc + + gemini_wdt_miscdev.parent = &pdev->dev; + ++ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR); ++ if (reg & WDCR_ENABLE) { ++ /* Watchdog was enabled by the bootloader, disable it. */ ++ reg &= ~(WDCR_ENABLE); ++ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR); ++ } ++ + ret = misc_register(&gemini_wdt_miscdev); + if (ret) + goto fail2; -- 2.25.1