On Wed, Jun 09, 2021 at 07:04:35PM +0200, Greg KH wrote: > On Sun, Jun 06, 2021 at 09:07:41PM +0530, Manivannan Sadhasivam wrote: > > From: Loic Poulain <loic.poulain@xxxxxxxxxx> > > > > 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@xxxxxxx> > > Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx> > > Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > > Link: https://lore.kernel.org/r/1622571445-4505-1-git-send-email-loic.poulain@xxxxxxxxxx > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > > --- > > 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... > Oops... yes, sorry. Thanks, Mani > greg k-h
