lkml.org 
[lkml]   [2021]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/3] bus: mhi: pci-generic: Fix hibernation
On Sun, Jun 06, 2021 at 09:07:41PM +0530, Manivannan Sadhasivam wrote:
> From: Loic Poulain <loic.poulain@linaro.org>
>
> This patch fixes crash after resuming from hibernation. The issue
> occurs when mhi stack is builtin and so part of the 'restore-kernel',
> causing the device to be resumed from 'restored kernel' with a no
> more valid context (memory mappings etc...) and leading to spurious
> crashes.
>
> This patch fixes the issue by implementing proper freeze/restore
> callbacks.
>
> Reported-by: Shujun Wang <wsj20369@163.com>
> Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> Link: https://lore.kernel.org/r/1622571445-4505-1-git-send-email-loic.poulain@linaro.org
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
> drivers/bus/mhi/pci_generic.c | 36 ++++++++++++++++++++++++++++++++++-
> 1 file changed, 35 insertions(+), 1 deletion(-)

Also needs a stable link, right? I'll go add it by hand. Please be
more careful next time...

greg k-h

\
 
 \ /
  Last update: 2021-06-09 19:05    [W:0.041 / U:1.516 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site