RE: [PATCH 0/2] can: m_can_platform: Bug fix of kernel panic for

From: pankj.sharma
Date: Fri Dec 06 2019 - 01:53:33 EST




> From: Dan Murphy <dmurphy@xxxxxx>
> Subject: Re: [PATCH 0/2] can: m_can_platform: Bug fix of kernel panic for
>
> Pankaj
>
> On 11/19/19 4:20 AM, Pankaj Sharma wrote:
> > The current code is failing while clock prepare enable because of not
> > getting proper clock from platform device.
> > A device driver for CAN controller hardware registers itself with the
> > Linux network layer as a network device. So, the driver data for m_can
> > should ideally be of type net_device.
> >
> > Further even when passing the proper net device in probe function the
> > code was hanging because of the function m_can_runtime_resume()
> > getting recursively called from m_can_class_resume().
> >
> > Pankaj Sharma (2):
> > can: m_can_platform: set net_device structure as driver data
> > can: m_can_platform: remove unnecessary m_can_class_resume() call
>
> Did you CC: linux-stable for these? We are probably going to have customers
> picking up 5.4 LTS and would need these bug fixes.
Hello Dan,
I havenât copied to linux-stable, but the patches are already in linux-stable branch.
You can check in following link.
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-5.4.y

Pankaj

>
> Or at the very least see if the stable automation will pick these up.
>
> Dan
>