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

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Message-ID: <021d01d5ac01$d55f1220$801d3660$@samsung.com>
Date:   Fri, 6 Dec 2019 12:23:11 +0530
From:   "pankj.sharma" <pankj.sharma@...sung.com>
To:     "'Dan Murphy'" <dmurphy@...com>
Cc:     <wg@...ndegger.com>, <mkl@...gutronix.de>, <davem@...emloft.net>,
        <rcsekar@...sung.com>, <pankaj.dubey@...sung.com>,
        <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 0/2] can: m_can_platform: Bug fix of kernel panic for



> From: Dan Murphy <dmurphy@...com>
> 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 haven’t 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
>