lkml.org 
[lkml]   [2020]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] ath10k: Register shutdown handler
From
Date
Rakesh Pillai <pillair@codeaurora.org> wrote:

> As a part of device shutdown the smmu driver will be
> stopped and henceforth any IOVA address translation
> will not be done. The wlan driver, being one of the
> smmu driver consumer, should stop all the dma related
> activity as a part of shutdown, and thereby ensuring
> that no dma activity is done once the smmu driver
> shuts down.
>
> During the device shutdown, the smmu calls shutdown
> for all its consumers in order to indicate them to
> stop all their dma activities.
>
> Register the shutdown handler to stop the wlan
> driver and avoid any dma operations.
>
> Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1
>
> Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

caf275463d37 ath10k: Register shutdown handler

--
https://patchwork.kernel.org/patch/11628291/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

\
 
 \ /
  Last update: 2020-08-18 11:50    [W:1.524 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site