lkml.org 
[lkml]   [2022]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [RESEND PATCH v3] scsi: ufs: exclude UECxx from SFR dump list
From
On 7/10/22 19:02, Kiwoong Kim wrote:
>> Is this behavior specific to the Exynos controller or is this behavior
>> required by the UFSHCI specification? In the latter case, can you tell me
>> where to find this requirement in the UFSHCI specification? I haven't
>> found that requirement yet. Maybe this means that I overlooked something?
>
> This is needed because those SFRs are ROC (Read to Clear) type.
> That means reading causes clearing contexts.
> The SFRs are mainly read in interrupt context but the reading is also done in dump.
The above repeats what I can find in the patch description but doesn't
answer my question :-(

Bart.

\
 
 \ /
  Last update: 2022-07-11 05:42    [W:0.103 / U:0.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site