lkml.org 
[lkml]   [2019]   [Dec]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] scsi: ufs: Disable autohibern8 feature in Cadence UFS
From
Date


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@cadence.com>
> ---

Tested-by: Vignesh Raghavendra <vigneshr@ti.com>

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@cadence.com/


> 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

\
 
 \ /
  Last update: 2019-12-04 14:37    [W:0.064 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site