Re: [PATCH 0/5] spi: zynqmp-gqspi: Improve error recovery by resetting

From: Mark Brown
Date: Fri Jan 17 2025 - 13:47:13 EST


On Fri, Jan 17, 2025 at 07:31:08PM +0100, Miquel Raynal wrote:
> On 17/01/2025 at 13:21:58 GMT, Mark Brown <broonie@xxxxxxxxxx> wrote:

> > If you're hitting a timeout that tends to indicate there's already a
> > serious stability problem...

> Yes, unless the timeout is reached for "good reasons", ie. you request
> substantial amounts of data (typically from a memory device) and the
> timeout is too short compared to the theoretical time spent in the
> transfer. A loaded machine can also increase the number of false
> positives I guess.

I'd argue that all of those are bad reasons, I'd only expect us to time
out when there's a bug - choosing too low a timeout or doing things in a
way that generates timeouts under load is a problem.

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