linux-kernel - Re: [PATCH v7 7/8] clk: qcom: dispcc-sm8250: stop using mmcx regulator

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Date:   Mon, 31 Jan 2022 19:15:55 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Taniya Das <tdas@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Michael Turquette <mturquette@...libre.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 7/8] clk: qcom: dispcc-sm8250: stop using mmcx
 regulator

On 07/10/2021 18:48, Bjorn Andersson wrote:
> On Sun 29 Aug 08:47 PDT 2021, Dmitry Baryshkov wrote:
> 
>> Now as the common qcom clock controller code has been taught about power
>> domains, stop mentioning mmcx supply as a way to power up the clock
>> controller's gdsc.
>>
>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> 
> Once we merge these, I expect that the boards will start crashing if
> the kernel is booted using an existing DTB?
> 
> Is it okay to just merge the first 6 patches in the series now and
> postpone these two until we've had the dts change sitting for a while?

Bjorn, the changes 1-6 went into 5.15. I suppose it's time to merge the 
last two patches?

> 
> Regards,
> Bjorn
> 
>> ---
>>   drivers/clk/qcom/dispcc-sm8250.c | 1 -
>>   1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c
>> index 108dd1249b6a..cf0bb12eb6e1 100644
>> --- a/drivers/clk/qcom/dispcc-sm8250.c
>> +++ b/drivers/clk/qcom/dispcc-sm8250.c
>> @@ -1129,7 +1129,6 @@ static struct gdsc mdss_gdsc = {
>>   	},
>>   	.pwrsts = PWRSTS_OFF_ON,
>>   	.flags = HW_CTRL,
>> -	.supply = "mmcx",
>>   };
>>   
>>   static struct clk_regmap *disp_cc_sm8250_clocks[] = {
>> -- 
>> 2.33.0
>>


-- 
With best wishes
Dmitry