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

[Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>]

On Wed, Mar 18, 2015 at 11:36:35AM +0000, Mark Brown wrote:
> On Wed, Mar 18, 2015 at 11:27:28AM +0100, Uwe Kleine-König wrote:
> > With spidev the mesg->complete callback points to spidev_complete.
> > Calling this unblocks spidev_sync and so spidev_sync_write finishes. As
> > the struct spi_message just read is a local variable in
> > spidev_sync_write and recording the trace event accesses this message
> > the recording is better done first. The same can happen for
> > spidev_sync_read.
> 
> Applied, thanks.  I'm a bit suspicious that the changelog talks only
> about spidev though...
That's my workflow. Maybe the important thing here is also that I use
-rt?!

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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