[PATCH] spi: trigger trace event for message-done before mesg->complete

Mark Brown broonie at kernel.org
Thu Mar 19 04:24:30 PDT 2015


On Wed, Mar 18, 2015 at 03:48:54PM +0100, Uwe Kleine-König wrote:
> On Wed, Mar 18, 2015 at 01:58:54PM +0000, Mark Brown wrote:

> > My point here is that the analysis of the issue shouldn't depend on
> > spidev in particular, if you need to call out the specific driver you're
> > working with that's an alarm sign that it's doing something weird and
> > perhaps the problem is with the driver.

> This just happens to be the driver I saw the problem with. Don't have
> another spi device on that bus to cross check with other drivers. I
> wouldn't be too concerned here.

Sure, but it's better to write it up in terms of a generic driver - it's
the difference between "let's work around this driver" and "the core
isn't doing the right thing for drivers here".
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