[PATCH v3 4/9] power: reset: Add AT91RM9200 reset driver

Sebastian Reichel sre at kernel.org
Wed Mar 4 09:17:58 PST 2015


Hi,

On Wed, Mar 04, 2015 at 03:21:32PM +0100, Alexandre Belloni wrote:
> AT91RM9200 uses the watchdog from the system timer to reset.
> [...]
> +	regmap_write(regmap_st, AT91_ST_WDMR,
> +		     AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
> +	regmap_write(regmap_st, AT91_ST_CR, AT91_ST_WDRST);
> +
> +	mdelay(2000);

At pity that you have to write into two registers, otherwise you
could have used the syscon-reboot driver.

> [...]
> +module_platform_driver(at91rm9200_reset_driver);

Apart from missing module metadata (MODULE_AUTHOR(),
MODULE_LICENSE(), ...) the driver looks fine to me.

-- Sebastian

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