Messages in this thread | | | Date | Mon, 30 Nov 2015 10:01:59 -0500 | From | Tejun Heo <> | Subject | 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@amd.com>
Applied to libata/for-4.4-fixes w/ stable cc'd.
Thanks.
-- tejun
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