[PATCH v2 1/2] power: reset: at91: add sama5d3 reset function

Sebastian Reichel sre at kernel.org
Mon Jul 20 09:42:42 PDT 2015


On Mon, Jul 20, 2015 at 05:32:05PM +0800, Josh Wu wrote:
> This patch introduces a new compatible string: "atmel,sama5d3-rstc" and
> new reset function for sama5d3 and later chips.
> As in sama5d3 or later chips, we don't have to shutdown the DDR
> controller before reset. Shutdown the DDR controller before reset is a
> workaround to avoid DDR signal driving the bus, but since sama5d3 and
> later chips there is no such a conflict.
> So in this patch:
>    1. the sama5d3 reset function only need to write the rstc register
> and return.
>    2. we can remove the code related with sama5d3 DDR controller as
> we don't use it at all.
> Signed-off-by: Josh Wu <josh.wu at atmel.com>
> Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>


-- Sebastian
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