[U-Boot] [PATCH v1 2/3] wdt: Timeout better to be in microseconds

Heiko Schocher hs at denx.de
Thu Jul 6 04:34:06 UTC 2017


Hello Andy,

Am 05.07.2017 um 19:44 schrieb Andy Shevchenko:
> Timeout in some abstract ticks is not what we are applying to get
> deterministic behaviour.
>
> Convert name to show explicitly that we are using microseconds (for
> watchdog it's more than precise).
>
> No functional change intended.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> ---
>   drivers/watchdog/wdt-uclass.c | 4 ++--
>   include/wdt.h                 | 8 ++++----
>   2 files changed, 6 insertions(+), 6 deletions(-)

Reviewed-by: Heiko Schocher <hs at denx.de>

bye,
Heiko
>
> diff --git a/drivers/watchdog/wdt-uclass.c b/drivers/watchdog/wdt-uclass.c
> index bb9ae80866..1715a98452 100644
> --- a/drivers/watchdog/wdt-uclass.c
> +++ b/drivers/watchdog/wdt-uclass.c
> @@ -13,14 +13,14 @@
>
>   DECLARE_GLOBAL_DATA_PTR;
>
> -int wdt_start(struct udevice *dev, u64 timeout, ulong flags)
> +int wdt_start(struct udevice *dev, u64 timeout_us, ulong flags)
>   {
>   	const struct wdt_ops *ops = device_get_ops(dev);
>
>   	if (!ops->start)
>   		return -ENOSYS;
>
> -	return ops->start(dev, timeout, flags);
> +	return ops->start(dev, timeout_us, flags);
>   }
>
>   int wdt_stop(struct udevice *dev)
> diff --git a/include/wdt.h b/include/wdt.h
> index 0b5f05851a..115e8c6baf 100644
> --- a/include/wdt.h
> +++ b/include/wdt.h
> @@ -21,12 +21,12 @@
>    * Start the timer
>    *
>    * @dev: WDT Device
> - * @timeout: Number of ticks before timer expires
> + * @timeout_us: Number of microseconds before timer expires
>    * @flags: Driver specific flags. This might be used to specify
>    * which action needs to be executed when the timer expires
>    * @return: 0 if OK, -ve on error
>    */
> -int wdt_start(struct udevice *dev, u64 timeout, ulong flags);
> +int wdt_start(struct udevice *dev, u64 timeout_us, ulong flags);
>
>   /*
>    * Stop the timer, thus disabling the Watchdog. Use wdt_start to start it again.
> @@ -67,12 +67,12 @@ struct wdt_ops {
>   	 * Start the timer
>   	 *
>   	 * @dev: WDT Device
> -	 * @timeout: Number of ticks before the timer expires
> +	 * @timeout_us: Number of microseconds before the timer expires
>   	 * @flags: Driver specific flags. This might be used to specify
>   	 * which action needs to be executed when the timer expires
>   	 * @return: 0 if OK, -ve on error
>   	 */
> -	int (*start)(struct udevice *dev, u64 timeout, ulong flags);
> +	int (*start)(struct udevice *dev, u64 timeout_us, ulong flags);
>   	/*
>   	 * Stop the timer
>   	 *
>

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