[PATCH v11 3/3] watchdog: mtk_wdt: mt2712: Add reset controller

Nicolas Boichat drinkcat at chromium.org
Sun Jan 12 22:20:29 PST 2020


On Fri, Jan 10, 2020 at 3:04 PM Jiaxin Yu <jiaxin.yu at mediatek.com> wrote:
>
> Add reset controller for 2712.
> Besides watchdog, MTK toprgu module alsa provide sub-system (eg, audio,
> camera, codec and connectivity) software reset functionality.
>
> Signed-off-by: yong.liang <yong.liang at mediatek.com>
> Signed-off-by: Jiaxin Yu <jiaxin.yu at mediatek.com>
> Reviewed-by: Yingjoe Chen <yingjoe.chen at mediatek.com>
> Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>

This is somewhat ok I guess, as Philipp review the same code before
you split it into 2 patches.

> Reviewed-by: Rob Herring <robh at kernel.org>
> Reviewed-by: Guenter Roeck <groeck7 at gmail.com>

Those 2 need to be dropped.

> ---
>  drivers/watchdog/mtk_wdt.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
> index e88aacb0404d..d6a6393f609d 100644
> --- a/drivers/watchdog/mtk_wdt.c
> +++ b/drivers/watchdog/mtk_wdt.c
> @@ -9,6 +9,7 @@
>   * Based on sunxi_wdt.c
>   */
>
> +#include <dt-bindings/reset-controller/mt2712-resets.h>
>  #include <dt-bindings/reset-controller/mt8183-resets.h>
>  #include <linux/delay.h>
>  #include <linux/err.h>
> @@ -67,6 +68,10 @@ struct mtk_wdt_data {
>         int toprgu_sw_rst_num;
>  };
>
> +static const struct mtk_wdt_data mt2712_data = {
> +       .toprgu_sw_rst_num = MT2712_TOPRGU_SW_RST_NUM,
> +};
> +
>  static const struct mtk_wdt_data mt8183_data = {
>         .toprgu_sw_rst_num = MT8183_TOPRGU_SW_RST_NUM,
>  };
> @@ -314,6 +319,7 @@ static int mtk_wdt_resume(struct device *dev)
>  #endif
>
>  static const struct of_device_id mtk_wdt_dt_ids[] = {
> +       { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data },
>         { .compatible = "mediatek,mt6589-wdt" },
>         { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data },
>         { /* sentinel */ }
> --
> 2.18.0



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