RE: [PATCH v7 RESEND 07/13] spi: imx: fix ERR009165

[Robin Gong]

On 2020/05/13 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> On Wed, May 13, 2020 at 08:52:39AM +0000, Robin Gong wrote:
> > On 2020/05/13 16:48 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> > > On Wed, May 13, 2020 at 08:38:26AM +0000, Robin Gong wrote:
> > > > On 2020/05/13 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> > > > > This patch is the one bisecting will end up with when somebody
> > > > > uses an older SDMA firmware or the ROM scripts. It should have a
> > > > > better description what happens and what should be done about it.
> > > > Emm..That's true. Timeout will be caught in such case, hence,
> > > > maybe we can
> > > fall back it to pio always.
> > >
> > > With my patch applied sdma_load_context() will fail. I don't know
> > > how exactly this hits into the SPI driver, but it won't be a timeout.
> > Thanks for your quick test, assume you use ROM firmware, right?
> 
> Yes.
Would you please have a try with the attached patch which is based this patch set?

Attachment: 0014-spi-imx-fallback-to-PIO-if-dma-setup-failure.patch
Description: 0014-spi-imx-fallback-to-PIO-if-dma-setup-failure.patch