linux-kernel - Re: [PATCH -next] scsi: ufs: ufs-mediatek: Fix build error

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Message-ID: <df9909dc-3303-808e-575a-47190f636279@huawei.com>
Date:   Wed, 13 Jul 2022 09:44:10 +0800
From:   Ren Zhijie <renzhijie2@...wei.com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     <stanley.chu@...iatek.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Bart Van Assche <bvanassche@....org>,
        linux-scsi <linux-scsi@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC..." 
        <linux-mediatek@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH -next] scsi: ufs: ufs-mediatek: Fix build error

在 2022/7/12 16:27, Arnd Bergmann 写道:
> On Mon, Jul 4, 2022 at 4:56 AM Ren Zhijie <renzhijie2@...wei.com> wrote:
>> diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
>> index c958279bdd8f..e006c2528a3a 100644
>> --- a/drivers/ufs/host/ufs-mediatek.c
>> +++ b/drivers/ufs/host/ufs-mediatek.c
>> @@ -1427,6 +1427,7 @@ static int ufs_mtk_system_resume(struct device *dev)
>>   }
>>   #endif
>>
>> +#ifdef CONFIG_PM
>>   static int ufs_mtk_runtime_suspend(struct device *dev)
>>   {
>>          struct ufs_hba *hba = dev_get_drvdata(dev);
>> @@ -1449,6 +1450,7 @@ static int ufs_mtk_runtime_resume(struct device *dev)
>>
>>          return ufshcd_runtime_resume(dev);
>>   }
>> +#endif
>>
>>   static const struct dev_pm_ops ufs_mtk_pm_ops = {
>>          SET_SYSTEM_SLEEP_PM_OPS(ufs_mtk_system_suspend,
> This change works, but it's not great. It's better to change the
> SET_SYSTEM_SLEEP_PM_OPS() to the new SYSTEM_SLEEP_PM_OPS()
> that works without the #ifdef.
>
>           Arnd

Hi Arnd,

Thanks for your suggestion.

How does it to fix the implicit-function-declaration error?

Thanks,

Ren Zhijie

> .