Re: [PATCH 1/4] spi: lantiq: Synchronize interrupt handlers and transfers

From: Mark Brown
Date: Tue May 05 2020 - 07:23:45 EST


On Mon, May 04, 2020 at 06:15:47PM +0800, Dilip Kota wrote:
> On 4/29/2020 8:13 PM, Mark Brown wrote:

> > > Workqueue has a higher chances of causing SPI transfers timedout.
> > because...?

> I just tried to get the history of removing workqueue in SPI driver, on
> GRX500 (earlier chipset of LGM) the SPI transfers got timedout with
> workqueues during regression testing. Once changed to threaded IRQs
> transfers are working successfully.

That doesn't really explain why though, it just explains what.

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