linux-kernel - Re: [PATCH v2] phy: xilinx: phy-zynqmp: Fix SGMII linkup failure on resume

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Message-Id: <172287495984.454961.1953933716423263529.b4-ty@kernel.org>
Date: Mon, 05 Aug 2024 21:52:39 +0530
From: Vinod Koul <vkoul@...nel.org>
To: laurent.pinchart@...asonboard.com, kishon@...nel.org, 
 michal.simek@....com, Radhey Shyam Pandey <radhey.shyam.pandey@....com>
Cc: linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, git@....com
Subject: Re: [PATCH v2] phy: xilinx: phy-zynqmp: Fix SGMII linkup failure
 on resume


On Mon, 05 Aug 2024 11:29:07 +0530, Radhey Shyam Pandey wrote:
> On a few Kria KR260 Robotics Starter Kit the PS-GEM SGMII linkup is not
> happening after the resume. This is because serdes registers are reset
> when FPD is off (in suspend state) and needs to be reprogrammed in the
> resume path with the same default initialization as done in the first
> stage bootloader psu_init routine.
> 
> To address the failure introduce a set of serdes registers to be saved in
> the suspend path and then restore it on resume.
> 
> [...]

Applied, thanks!

[1/1] phy: xilinx: phy-zynqmp: Fix SGMII linkup failure on resume
      commit: 5af9b304bc6010723c02f74de0bfd24ff19b1a10

Best regards,
-- 
Vinod Koul <vkoul@...nel.org>