[PATCH/RFT] sata: rcar_sata: Reset SATA PHY on resume

Tejun Heo tj at kernel.org
Tue Apr 18 03:17:38 EDT 2017


On Tue, Apr 18, 2017 at 04:02:53PM +0900, Simon Horman wrote:
> In the case where power is cut on suspend the SATA PHY state needs to be
> suspended on resume.
  ^
  re-initialized?

> 
> This is the case on the Salvator-X board with the r8a7795 or r8a7796 SoC.
> In that environment it has been observed that SATA partitions cannot not be
> accessed on resume.
> 
> Based on work by Khiem Nguyen.
> 
> Cc: Khiem Nguyen <khiem.nguyen.xt at rvc.renesas.com>
> Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
> ---
> * Compile and boot tested only

Can somebody verify this fix?

Thanks.

-- 
tejun



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