linux-kernel - Re: [PATCH 2/2] clk: qcom: gcc-sm8550: Don't park the USB RCG at registration time

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Message-ID: <CAE-0n52xg2ts9dm4cG1CmevrD0Gn8d9x+VvK8av8Fn8esoz14g@mail.gmail.com>
Date: Tue, 27 Aug 2024 18:04:12 +0000
From: Stephen Boyd <swboyd@...omium.org>
To: Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Stephen Boyd <sboyd@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	patches@...ts.linux.dev, linux-clk@...r.kernel.org, 
	Konrad Dybcio <konradybcio@...nel.org>, Taniya Das <quic_tdas@...cinc.com>, 
	Amit Pundir <amit.pundir@...aro.org>
Subject: Re: [PATCH 2/2] clk: qcom: gcc-sm8550: Don't park the USB RCG at
 registration time

Quoting Stephen Boyd (2024-08-19 16:36:27)
> Amit Pundir reports that audio and USB-C host mode stops working if the
> gcc_usb30_prim_master_clk_src clk is registered and
> clk_rcg2_shared_init() parks it on XO. Skip parking this clk at
> registration time to fix those issues.
>
> Partially revert commit 01a0a6cc8cfd ("clk: qcom: Park shared RCGs upon
> registration") by skipping the parking bit for this clk, but keep the
> part where we cache the config register. That's still necessary to
> figure out the true parent of the clk at registration time.
>
> Fixes: 01a0a6cc8cfd ("clk: qcom: Park shared RCGs upon registration")
> Fixes: 929c75d57566 ("clk: qcom: gcc-sm8550: Mark RCGs shared where applicable")
> Cc: Konrad Dybcio <konradybcio@...nel.org>
> Cc: Bjorn Andersson <andersson@...nel.org>
> Cc: Taniya Das <quic_tdas@...cinc.com>
> Reported-by: Amit Pundir <amit.pundir@...aro.org>
> Closes: https://lore.kernel.org/CAMi1Hd1KQBE4kKUdAn8E5FV+BiKzuv+8FoyWQrrTHPDoYTuhgA@mail.gmail.com
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---

Applied to clk-fixes