RE: [PATCH] scsi: ufs: core: increase the NOP_OUT command timeout

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On 1/16/2025 8:30 AM, Bao D. Nguyen wrote:
> On 1/16/2025 1:59 AM, DooHyun Hwang wrote:
> >>
> >>> It is found that is UFS device may take longer than 500ms(50ms *
> >>> 10times) to respond to NOP_OUT command.
> >>>
> >>> The NOP_OUT command timeout was total 500ms that is from a timeout
> >>> value of 50ms(defined by NOP_OUT_TIMEOUT) with 10 retries(defined by
> >>> NOP_OUT_RETRIES)
> >>>
> >>> This change increase the NOP_OUT command timeout to total 1000ms by
> >>> changing timeout value to 100ms(NOP_OUT_TIMEOUT)
> >>>
> >>> Signed-off-by: DooHyun Hwang <dh0421.hwang@xxxxxxxxxxx>
> >> Why not edit hba->nop_out_timeout in the .init vop?
> >> Like some vendors already do.
> >>
> >> Thanks,
> >> Avri
> >>
> > Thank you for your suggestion.
> > I'll fix that in .init vop as you said.
> >
> > And I'll reject this patch.
> Hi DooHyun Hwang,
> Since this is a common issue that multiple platform vendors have to fix in
> their vops, should we fix it in the common code instead?
> 
> Reviewed-by: Bao D. Nguyen <quic_nguyenb@xxxxxxxxxxx>


This is already set to rejected state on patchwork.
Anyway, thank you for the review.

I thought it would be efficient to fix it in the common code.
I don't know which UFS devices have the same problem.

Thank you.
DooHyun Hwang.





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