lkml.org 
[lkml]   [2019]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v5 19/20] iommu/mediatek: Add shutdown callback
On Mon, Dec 31, 2018 at 8:00 PM Yong Wu <yong.wu@mediatek.com> wrote:
>
> In the reboot burning test, if some Multimedia HW has something wrong,
> It may keep send the invalid request to IOMMU. In order to avoid
> affect the reboot flow, we add the shutdown callback to disable
> M4U HW when shutdown.

Sounds unpleasant. Hopefully the reboot flow still continues properly
even in that case, since this shutdown code may not run during some
rougher resets.

Reviewed-by: Evan Green <evgreen@chromium.org>

\
 
 \ /
  Last update: 2019-01-30 20:25    [W:0.206 / U:15.100 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site