Re: [PATCH] scsi: ufs: core: Do not set link to OFF state while waking up from hibernation

[Bart Van Assche]

On 7/18/24 10:06 AM, Manivannan Sadhasivam wrote:
> UFS link is just put into hibern8 state during the 'freeze' process of the
> hibernation. Afterwards, the system may get powered down. But that doesn't
> matter during wakeup. Because during wakeup from hibernation, UFS link is
> again put into hibern8 state by the restore kernel and then the control is
> handed over to the to image kernel.
>
> So in both the places, UFS link is never turned OFF. But
> ufshcd_system_restore() just assumes that the link will be in OFF state and
> sets the link state accordingly. And this breaks hibernation wakeup:

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>