Re: [PATCH] clk: qcom: gcc-qcm2290: don't park QUP RCGs upon registration

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 7/22/26 2:46 PM, Dmitry Baryshkov wrote:
> The gcc_qupv3_wrap0_s[0-5]_clk_src RCGs feed the QUP serial engines
> (UART/I2C/SPI). Since shared RCGs are parked to XO at registration time,
> binding the gcc-qcm2290 driver reprograms these clocks away from the
> rate configured by the bootloader. For the UART used as the boot console
> this drops early console output until the serial driver later
> reconfigures the clock.
> 
> Switch the QUP wrap0 clock sources over to
> clk_rcg2_shared_no_init_park_ops so their frequency is left unchanged at
> registration time, keeping the bootloader-configured console working
> across the gcc driver probe.
> 
> Fixes: 01a0a6cc8cfd ("clk: qcom: Park shared RCGs upon registration")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> ---


Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad