Re: [PATCH v2 05/20] media: venus: pm_helpers: Kill dead code

From: Konrad Dybcio
Date: Tue Mar 26 2024 - 17:30:17 EST


On 4.03.2024 6:40 AM, Dikshita Agarwal wrote:
>
>
> On 2/10/2024 2:39 AM, Konrad Dybcio wrote:
>> A situation like:
>>
>> if (!foo)
>> goto bar;
>>
>> for (i = 0; i < foo; i++)
>> ...1...
>>
>> bar:
>> ...2...
>>
>> is totally identical to:
>>
>> for (i = 0; i < 0; i++) // === if (0)
>> ...1...
>>
>> ...2...
>>
>> Get rid of such boilerplate.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>> ---
>> drivers/media/platform/qcom/venus/pm_helpers.c | 10 ----------
>> 1 file changed, 10 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
>> index 1ba65345a5e2..7193075e8c04 100644
>> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
>> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
>> @@ -878,14 +878,10 @@ static int vcodec_domains_get(struct venus_core *core)
>> .pd_flags = PD_FLAG_NO_DEV_LINK,
>> };
>>
>> - if (!res->vcodec_pmdomains_num)
>> - goto skip_pmdomains;
>> -
> Removing the if check and relying only on for loop is good.
> but I don't see the for loop here.
>> ret = dev_pm_domain_attach_list(dev, &vcodec_data, &core->pmdomains);
>> if (ret < 0)
>> return ret;
>>
> Also, what's the base of this change? I don't see above API in the code
> anywhere.

It's inside the dev_pm_domain_attach_list helper.. It was there explicitly
when I first submitted the patch.

Konrad