[Linux-kernel-mentees] [PATCH v3 17/28] scsi: pm_8001: Drop PCI Wakeup calls from .resume

Jinpu Wang jinpu.wang at cloud.ionos.com
Thu Oct 1 12:53:43 UTC 2020


On Thu, Oct 1, 2020 at 2:30 PM Vaibhav Gupta <vaibhavgupta40 at gmail.com> wrote:
>
> The driver calls pci_enable_wake(...., false) in pm8001_pci_resume(), and
> there is no corresponding pci_enable_wake(...., true) in
> pm8001_pci_suspend(). Either it should do enable-wake the device in
> .suspend() or should not invoke pci_enable_wake() at all.
>
> Concluding that this driver doesn't support enable-wake and PCI core calls
> pci_enable_wake(pci_dev, PCI_D0, false) during resume, drop it from
> pm8001_pci__resume().
>
> Signed-off-by: Vaibhav Gupta <vaibhavgupta40 at gmail.com>
Looks good to me!
Acked-by: Jack Wang <jinpu.wang at cloud.ionos.com>

Thanks!
> ---
>  drivers/scsi/pm8001/pm8001_init.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
> index 9e99262a2b9d..ee27ecb17560 100644
> --- a/drivers/scsi/pm8001/pm8001_init.c
> +++ b/drivers/scsi/pm8001/pm8001_init.c
> @@ -1248,7 +1248,6 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
>                 "operating state [D%d]\n", pdev, pm8001_ha->name, device_state);
>
>         pci_set_power_state(pdev, PCI_D0);
> -       pci_enable_wake(pdev, PCI_D0, 0);
>         pci_restore_state(pdev);
>         rc = pci_enable_device(pdev);
>         if (rc) {
> --
> 2.28.0
>


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