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SubjectRe: [PATCH] watchdog: Add 'action' and 'data' parameters to restart handler callback
Hi Guenter,

> The 'action' (or restart mode) and data parameters may be used by restart
> handlers, so they should be passed to the restart callback functions.
>
> Cc: Sylvain Lemieux <slemieux@tycoint.com>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
> drivers/watchdog/bcm47xx_wdt.c | 3 ++-
> drivers/watchdog/da9063_wdt.c | 3 ++-
> drivers/watchdog/digicolor_wdt.c | 3 ++-
> drivers/watchdog/imgpdc_wdt.c | 3 ++-
> drivers/watchdog/imx2_wdt.c | 3 ++-
> drivers/watchdog/lpc18xx_wdt.c | 3 ++-
> drivers/watchdog/meson_wdt.c | 3 ++-
> drivers/watchdog/moxart_wdt.c | 3 ++-
> drivers/watchdog/mtk_wdt.c | 3 ++-
> drivers/watchdog/qcom-wdt.c | 3 ++-
> drivers/watchdog/s3c2410_wdt.c | 3 ++-
> drivers/watchdog/sunxi_wdt.c | 3 ++-
> drivers/watchdog/watchdog_core.c | 2 +-
> include/linux/watchdog.h | 2 +-
> 14 files changed, 26 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
> index df1c2a4b0165..a1900b9ab6c4 100644
> --- a/drivers/watchdog/bcm47xx_wdt.c
> +++ b/drivers/watchdog/bcm47xx_wdt.c
> @@ -87,7 +87,8 @@ static int bcm47xx_wdt_hard_set_timeout(struct watchdog_device *wdd,
> return 0;
> }
>
> -static int bcm47xx_wdt_restart(struct watchdog_device *wdd)
> +static int bcm47xx_wdt_restart(struct watchdog_device *wdd,
> + unsigned long action, void *data)
> {
> struct bcm47xx_wdt *wdt = bcm47xx_wdt_get(wdd);
>
> diff --git a/drivers/watchdog/da9063_wdt.c b/drivers/watchdog/da9063_wdt.c
> index 11e887572649..a100f648880d 100644
> --- a/drivers/watchdog/da9063_wdt.c
> +++ b/drivers/watchdog/da9063_wdt.c
> @@ -119,7 +119,8 @@ static int da9063_wdt_set_timeout(struct watchdog_device *wdd,
> return ret;
> }
>
> -static int da9063_wdt_restart(struct watchdog_device *wdd)
> +static int da9063_wdt_restart(struct watchdog_device *wdd, unsigned long action,
> + void *data)
> {
> struct da9063_watchdog *wdt = watchdog_get_drvdata(wdd);
> int ret;
> diff --git a/drivers/watchdog/digicolor_wdt.c b/drivers/watchdog/digicolor_wdt.c
> index 1ccb0b239348..77df772406b0 100644
> --- a/drivers/watchdog/digicolor_wdt.c
> +++ b/drivers/watchdog/digicolor_wdt.c
> @@ -48,7 +48,8 @@ static void dc_wdt_set(struct dc_wdt *wdt, u32 ticks)
> spin_unlock_irqrestore(&wdt->lock, flags);
> }
>
> -static int dc_wdt_restart(struct watchdog_device *wdog)
> +static int dc_wdt_restart(struct watchdog_device *wdog, unsigned long action,
> + void *data)
> {
> struct dc_wdt *wdt = watchdog_get_drvdata(wdog);
>
> diff --git a/drivers/watchdog/imgpdc_wdt.c b/drivers/watchdog/imgpdc_wdt.c
> index 3679f2e1922f..516fbef00856 100644
> --- a/drivers/watchdog/imgpdc_wdt.c
> +++ b/drivers/watchdog/imgpdc_wdt.c
> @@ -150,7 +150,8 @@ static int pdc_wdt_start(struct watchdog_device *wdt_dev)
> return 0;
> }
>
> -static int pdc_wdt_restart(struct watchdog_device *wdt_dev)
> +static int pdc_wdt_restart(struct watchdog_device *wdt_dev,
> + unsigned long action, void *data)
> {
> struct pdc_wdt_dev *wdt = watchdog_get_drvdata(wdt_dev);
>
> diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
> index 1a48cb28718f..7ae92aef4cc8 100644
> --- a/drivers/watchdog/imx2_wdt.c
> +++ b/drivers/watchdog/imx2_wdt.c
> @@ -77,7 +77,8 @@ static const struct watchdog_info imx2_wdt_info = {
> .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
> };
>
> -static int imx2_wdt_restart(struct watchdog_device *wdog)
> +static int imx2_wdt_restart(struct watchdog_device *wdog, unsigned long action,
> + void *data)
> {
> struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);
> unsigned int wcr_enable = IMX2_WDT_WCR_WDE;
> diff --git a/drivers/watchdog/lpc18xx_wdt.c b/drivers/watchdog/lpc18xx_wdt.c
> index 6914c83aa6d9..fd171e6caa16 100644
> --- a/drivers/watchdog/lpc18xx_wdt.c
> +++ b/drivers/watchdog/lpc18xx_wdt.c
> @@ -153,7 +153,8 @@ static int lpc18xx_wdt_start(struct watchdog_device *wdt_dev)
> return 0;
> }
>
> -static int lpc18xx_wdt_restart(struct watchdog_device *wdt_dev)
> +static int lpc18xx_wdt_restart(struct watchdog_device *wdt_dev,
> + unsigned long action, void *data)
> {
> struct lpc18xx_wdt_dev *lpc18xx_wdt = watchdog_get_drvdata(wdt_dev);
> unsigned long flags;
> diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c
> index aea5d2f44ad7..56ea1caf71c3 100644
> --- a/drivers/watchdog/meson_wdt.c
> +++ b/drivers/watchdog/meson_wdt.c
> @@ -62,7 +62,8 @@ struct meson_wdt_dev {
> const struct meson_wdt_data *data;
> };
>
> -static int meson_wdt_restart(struct watchdog_device *wdt_dev)
> +static int meson_wdt_restart(struct watchdog_device *wdt_dev,
> + unsigned long action, void *data)
> {
> struct meson_wdt_dev *meson_wdt = watchdog_get_drvdata(wdt_dev);
> u32 tc_reboot = MESON_WDT_DC_RESET;
> diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c
> index 885c81bc4210..2c4a73d1e214 100644
> --- a/drivers/watchdog/moxart_wdt.c
> +++ b/drivers/watchdog/moxart_wdt.c
> @@ -31,7 +31,8 @@ struct moxart_wdt_dev {
>
> static int heartbeat;
>
> -static int moxart_wdt_restart(struct watchdog_device *wdt_dev)
> +static int moxart_wdt_restart(struct watchdog_device *wdt_dev,
> + unsigned long action, void *data)
> {
> struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);
>
> diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
> index b78776c05554..7ed417a765c7 100644
> --- a/drivers/watchdog/mtk_wdt.c
> +++ b/drivers/watchdog/mtk_wdt.c
> @@ -64,7 +64,8 @@ struct mtk_wdt_dev {
> void __iomem *wdt_base;
> };
>
> -static int mtk_wdt_restart(struct watchdog_device *wdt_dev)
> +static int mtk_wdt_restart(struct watchdog_device *wdt_dev,
> + unsigned long action, void *data)
> {
> struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);
> void __iomem *wdt_base;
> diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c
> index 424f9a952fee..20563ccb7be0 100644
> --- a/drivers/watchdog/qcom-wdt.c
> +++ b/drivers/watchdog/qcom-wdt.c
> @@ -70,7 +70,8 @@ static int qcom_wdt_set_timeout(struct watchdog_device *wdd,
> return qcom_wdt_start(wdd);
> }
>
> -static int qcom_wdt_restart(struct watchdog_device *wdd)
> +static int qcom_wdt_restart(struct watchdog_device *wdd, unsigned long action,
> + void *data)
> {
> struct qcom_wdt *wdt = to_qcom_wdt(wdd);
> u32 timeout;
> diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
> index 0093450441fe..d57f19b5077f 100644
> --- a/drivers/watchdog/s3c2410_wdt.c
> +++ b/drivers/watchdog/s3c2410_wdt.c
> @@ -349,7 +349,8 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd, unsigned timeou
> return 0;
> }
>
> -static int s3c2410wdt_restart(struct watchdog_device *wdd)
> +static int s3c2410wdt_restart(struct watchdog_device *wdd, unsigned long action,
> + void *data)
> {
> struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
> void __iomem *wdt_base = wdt->reg_base;
> diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
> index e027deb54740..953bb7b7446f 100644
> --- a/drivers/watchdog/sunxi_wdt.c
> +++ b/drivers/watchdog/sunxi_wdt.c
> @@ -83,7 +83,8 @@ static const int wdt_timeout_map[] = {
> };
>
>
> -static int sunxi_wdt_restart(struct watchdog_device *wdt_dev)
> +static int sunxi_wdt_restart(struct watchdog_device *wdt_dev,
> + unsigned long action, void *data)
> {
> struct sunxi_wdt_dev *sunxi_wdt = watchdog_get_drvdata(wdt_dev);
> void __iomem *wdt_base = sunxi_wdt->wdt_base;
> diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c
> index 07c9931e2123..d3cfcccddf39 100644
> --- a/drivers/watchdog/watchdog_core.c
> +++ b/drivers/watchdog/watchdog_core.c
> @@ -164,7 +164,7 @@ static int watchdog_restart_notifier(struct notifier_block *nb,
>
> int ret;
>
> - ret = wdd->ops->restart(wdd);
> + ret = wdd->ops->restart(wdd, action, data);
> if (ret)
> return NOTIFY_BAD;
>
> diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
> index 537e84e2592a..f1fccc7aea68 100644
> --- a/include/linux/watchdog.h
> +++ b/include/linux/watchdog.h
> @@ -47,7 +47,7 @@ struct watchdog_ops {
> unsigned int (*status)(struct watchdog_device *);
> int (*set_timeout)(struct watchdog_device *, unsigned int);
> unsigned int (*get_timeleft)(struct watchdog_device *);
> - int (*restart)(struct watchdog_device *);
> + int (*restart)(struct watchdog_device *, unsigned long, void *);
> long (*ioctl)(struct watchdog_device *, unsigned int, unsigned long);
> };
>
> --
> 2.5.0
>

Patch has been added to linux-watchdog-next.

Kind regards,
Wim.

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