Re: [PATCH] spi: sprd: add runtime pm for transfer message

[Chunyan Zhang <zhang.lyra@xxxxxxxxx>]

On Fri, 30 Oct 2020 at 21:42, Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Fri, Oct 30, 2020 at 03:24:44PM +0800, Chunyan Zhang wrote:
> > From: Bangzheng Liu <bangzheng.liu@xxxxxxxxxx>
> >
> > Before transfer one message, spi core would set chipselect, sprd spi
> > device should be resumed from runtime suspend, otherwise kernel would
> > crash once access spi registers. The sprd spi device can be suspended
> > until clearing chipselect which would be executed after transfer.
>
> The core should be handling runtime PM for normal transfers, if it's not
> managing to do that then we should fix the core so it's fixed for all
> drivers not just this one.

Sure, I will send a new patch.