linux-kernel - Re: [PATCH 0/2] clk: qcom: gcc-sm8550: Fix shared clk parking breakage

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Message-ID: <CAMi1Hd3=1S0Jktej0vv0ZJna1Z=Kb6WHEzpbxuHFHdCaEUKWrQ@mail.gmail.com>
Date: Wed, 21 Aug 2024 21:04:43 +0530
From: Amit Pundir <amit.pundir@...aro.org>
To: Stephen Boyd <swboyd@...omium.org>
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>, Bjorn Andersson <andersson@...nel.org>, 
	Stephen Boyd <sboyd@...nel.org>, linux-kernel@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, patches@...ts.linux.dev, 
	linux-clk@...r.kernel.org, Taniya Das <quic_tdas@...cinc.com>
Subject: Re: [PATCH 0/2] clk: qcom: gcc-sm8550: Fix shared clk parking breakage

On Tue, 20 Aug 2024 at 05:06, Stephen Boyd <swboyd@...omium.org> wrote:
>
> Amit Pundir reported[1] that a recent commit 01a0a6cc8cfd ("clk: qcom:
> Park shared RCGs upon registration") broke USB and audio on sm8550-hdk.
> These two patches fix the issue by skipping the parking bit of the
> shared RCGs for devices that can't run so slow.
>
> [1] https://lore.kernel.org/CAMi1Hd1KQBE4kKUdAn8E5FV+BiKzuv+8FoyWQrrTHPDoYTuhgA@mail.gmail.com/
>

Thank you for the patches Stephen. This series fixes the serial
console garbage, audio, and USB-C host mode regression I see on
SM8550-HDK running AOSP.

Tested-by: Amit Pundir <amit.pundir@...aro.org>


> Stephen Boyd (2):
>   clk: qcom: gcc-sm8550: Don't use parking clk_ops for QUPs
>   clk: qcom: gcc-sm8550: Don't park the USB RCG at registration time
>
>  drivers/clk/qcom/clk-rcg.h    |  1 +
>  drivers/clk/qcom/clk-rcg2.c   | 30 +++++++++++++++++++
>  drivers/clk/qcom/gcc-sm8550.c | 54 +++++++++++++++++------------------
>  3 files changed, 58 insertions(+), 27 deletions(-)
>
>
> base-commit: 8400291e289ee6b2bf9779ff1c83a291501f017b
> --
> https://chromeos.dev
>