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SubjectRe: [PATCH] ASoC: qcom: lpass-sc7180: Add maybe_unused tag for system PM ops
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Thanks for your time Matthias,

On 11/30/2022 1:38 AM, Matthias Kaehlcke wrote:
> On Tue, Nov 29, 2022 at 09:28:33PM +0530, Srinivasa Rao Mandadapu wrote:
>> Thanks for your tie Nathan!!!
>>
>> On 11/29/2022 9:15 PM, Nathan Chancellor wrote:
>>> On Tue, Nov 29, 2022 at 06:23:48PM +0530, Srinivasa Rao Mandadapu wrote:
>>>> Add __maybe_unused tag for system PM ops suspend and resume.
>>>> This is required to fix allmodconfig compilation issue.
>>>> Fixes: c3bf7699747c ("ASoC: qcom: lpass-sc7280: Add system suspend/resume PM ops")
>>>>
>>>> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
>>> A better solution would be replacing SET_SYSTEM_SLEEP_PM_OPS() with
>>> SYSTEM_SLEEP_PM_OPS(), which was added to avoid needing to add these
>>> '__maybe_unused' attributes to these functions. See commit 1a3c7bb08826
>>> ("PM: core: Add new *_PM_OPS macros, deprecate old ones") for more info.
>> Tried this option but as this patch required for Kernel 5.4 version code
>> base,
>>
>> SYSTEM_SLEEP_PM_OPS didn't work.
> Older downstream trees needing a change shouldn't impact how a change is done
> upstream. The change should be what's best for the upstream kernel. Downstream
> kernels can do backports which might differ from the upstream solution or
> pick the missing dependencies (which might not be too hard in this case).
Okay. Will take care next time.
>
>>>> ---
>>>> sound/soc/qcom/lpass-sc7180.c | 4 ++--
>>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c
>>>> index b96b85a..41db661 100644
>>>> --- a/sound/soc/qcom/lpass-sc7180.c
>>>> +++ b/sound/soc/qcom/lpass-sc7180.c
>>>> @@ -163,14 +163,14 @@ static int sc7180_lpass_exit(struct platform_device *pdev)
>>>> return 0;
>>>> }
>>>> -static int sc7180_lpass_dev_resume(struct device *dev)
>>>> +static int __maybe_unused sc7180_lpass_dev_resume(struct device *dev)
>>>> {
>>>> struct lpass_data *drvdata = dev_get_drvdata(dev);
>>>> return clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks);
>>>> }
>>>> -static int sc7180_lpass_dev_suspend(struct device *dev)
>>>> +static int __maybe_unused sc7180_lpass_dev_suspend(struct device *dev)
>>>> {
>>>> struct lpass_data *drvdata = dev_get_drvdata(dev);
>>>> --
>>>> 2.7.4
>>>>
>>>>

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