RE: Wake up issue about Flexcan driver in v5.4 kernel

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> -----Original Message-----
> From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> Sent: 2019年11月12日 19:11
> To: Joakim Zhang <qiangqing.zhang@xxxxxxx>; sean@xxxxxxxxxx;
> linux-can@xxxxxxxxxxxxxxx
> Subject: Re: Wake up issue about Flexcan driver in v5.4 kernel
> 
> On 11/12/19 12:10 PM, Joakim Zhang wrote:
> >> The question remains, has the wakeup time increased compared to older
> >> kernels? Or was it pure luck that you have not seen this problem in
> >> older kernels?
> >
> > I have tested all upstream version since stop mode enabled(v5.1, v5.2,
> > v5.3, v5.4), this issue all exist. With our local 4.14 and 4.19, it is
> > fine, maybe we optimize suspend/resume at local.
> 
> Ok. I see more patch opportunities on your side.

Hi Marc,

Could you please pick up the patch for wakeup? This has been pending for a long tme.
can: flexcan: fix deadlock when using self wakeup
can: flexcan: add LPSR mode support for i.MX7D

Best Regards,
Joakim Zhang
> Marc
> 
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
> Embedded Linux                   | https://www.pengutronix.de  |
> Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
> Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |





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