Re: [PATCH 1/1] AHCI: Fix softreset failed issue of Port Multiplier

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On Thu, Nov 26, 2015 at 08:27:02PM +0800, Xiangliang Yu wrote:
> Current code doesn't update port value of Port Multiplier(PM) when
> sending FIS of softreset to device, command will fail if FBS is
> enabled.
> 
> There are two ways to fix the issue: the first is to disable FBS
> before sending softreset command to PM device and the second is
> to update port value of PM when sending command.
> 
> For the first way, i can't find any related rule in AHCI Spec. The
> second way can avoid disabling FBS and has better performance.
> 
> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@xxxxxxx>

Applied to libata/for-4.4-fixes w/ stable cc'd.

Thanks.

-- 
tejun
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