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| author | Gabor Juhos <juhosg@openwrt.org> | 2009-05-18 20:56:56 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2009-05-18 20:56:56 +0000 |
| commit | 5bad9df354c05a1bb64ea3af6dcf1fa8a2f63a9b (patch) | |
| tree | 4e7eb42d3a33561820fef4afde5470821157e3c1 /target/linux/gemini/patches/004-gemini-disable-watchdog-in-probe.patch | |
| parent | 5d9d9837ac7ceb409b753e225fcdc204ec1c6c2a (diff) | |
| download | mtk-20170518-5bad9df354c05a1bb64ea3af6dcf1fa8a2f63a9b.zip mtk-20170518-5bad9df354c05a1bb64ea3af6dcf1fa8a2f63a9b.tar.gz mtk-20170518-5bad9df354c05a1bb64ea3af6dcf1fa8a2f63a9b.tar.bz2 | |
disable the watchdog if the bootloader left it enabled
SVN-Revision: 15920
Diffstat (limited to 'target/linux/gemini/patches/004-gemini-disable-watchdog-in-probe.patch')
| -rw-r--r-- | target/linux/gemini/patches/004-gemini-disable-watchdog-in-probe.patch | 24 |
1 files changed, 24 insertions, 0 deletions
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 0000000..d1f5c34 --- /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; |