Re: [PATCH] scsi: ufs: Disable autohibern8 feature in Cadence UFS

[Vignesh Raghavendra]

On 03/12/19 3:37 pm, sheebab wrote:
> This patch disables autohibern8 feature in Cadence UFS. 
> The autohibern8 feature has issues due to which unexpected interrupt
> trigger is happening. After the interrupt issue is sorted out autohibern8
> feature will be re-enabled
> 
> Signed-off-by: sheebab <sheebab@xxxxxxxxxxx>
> ---

Tested-by: Vignesh Raghavendra <vigneshr@xxxxxx>

You will have to repost patch 2/2[1] of your previous series as that
patch no longer applies cleanly anymore given that we no longer want 1/2
to be merged.

[1]
https://lore.kernel.org/linux-scsi/1574147082-22725-3-git-send-email-sheebab@xxxxxxxxxxx/


>  drivers/scsi/ufs/cdns-pltfrm.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/scsi/ufs/cdns-pltfrm.c b/drivers/scsi/ufs/cdns-pltfrm.c
> index b2af04c57a39..882425d1166b 100644
> --- a/drivers/scsi/ufs/cdns-pltfrm.c
> +++ b/drivers/scsi/ufs/cdns-pltfrm.c
> @@ -98,6 +98,12 @@ static int cdns_ufs_link_startup_notify(struct ufs_hba *hba,
>  	 * completed.
>  	 */
>  	ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0);
> +
> +	/*
> +	 * Disabling Autohibern8 feature in cadence UFS
> +	 * to mask unexpected interrupt trigger.
> +	 */
> +	hba->ahit = 0;
>  
>  	return 0;
>  }
> 

-- 
Regards
Vignesh