On Thu, Sep 22, 2016 at 02:33:47PM +0200, Steffen Trumtrar wrote:
> Port the linux v4.8-rc1 Synopsys DesignWare watchdog driver to barebox.
>
> Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
> ---
> drivers/watchdog/Kconfig | 6 ++
> drivers/watchdog/Makefile | 1 +
> drivers/watchdog/dw_wdt.c | 194 ++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 201 insertions(+)
> create mode 100644 drivers/watchdog/dw_wdt.c
>
> + struct dw_wdt *dw_wdt = to_dw_wdt(wdd);
> +
> + writel(WDOG_CONTROL_REG_WDT_EN_MASK,
> + dw_wdt->regs + WDOG_CONTROL_REG_OFFSET);
> +
> + return 0;
> +}
> +
> +static int dw_wdt_stop(struct watchdog *wdd)
> +{
> + struct dw_wdt *dw_wdt = to_dw_wdt(wdd);
> +
> + if (IS_ERR(dw_wdt->rst)) {
> + pr_warn("No reset line. Will not stop.\n");
dev_warn
> + return PTR_ERR(dw_wdt->rst);
> + }
> +
> + reset_control_assert(dw_wdt->rst);
> + reset_control_deassert(dw_wdt->rst);
> +
> + return 0;
> +}
...
> +
> + ret = restart_handler_register(&dw_wdt->restart);
> + if (ret)
> + pr_warn("cannot register restart handler\n");
ditto
Sascha
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