Messages in this thread | | | Subject | Re: [PATCH v2 1/2] watchdog: Add driver for Mediatek watchdog | From | Eddie Huang <> | Date | Mon, 15 Dec 2014 11:37:31 +0800 |
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Hi,
On Fri, 2014-12-12 at 15:50 +0100, Matthias Brugger wrote: > This patch adds a driver for the Mediatek SoC integrated > watchdog. This driver supports watchdog and software reset > for mt65xx and mt81xx SoCs. > > Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
> +static int mtk_reset_handler(struct notifier_block *this, unsigned long mode, > + void *cmd) > +{ > + struct mtk_wdt_dev *mtk_wdt = container_of(this, > + struct mtk_wdt_dev, > + restart_handler); > + void __iomem *wdt_base = mtk_wdt->wdt_base; > + u32 reg; > + > + /* Reset system */ > + writel(WDT_SWRST_KEY, wdt_base + WDT_SWRST); > + > + while (1) { > + mdelay(5); > + writel(WDT_SWRST_KEY, wdt_base + WDT_SWRST); > + } > + return NOTIFY_DONE; > + > +}
Build warning ../drivers/watchdog/mtk_wdt.c:78:6: warning: unused variable 'reg' [-Wunused-variable]
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