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

[Mark Brown]

On Thu, Mar 19, 2015 at 12:48:42PM +0100, Uwe Kleine-König wrote:
> On Thu, Mar 19, 2015 at 11:24:30AM +0000, Mark Brown wrote:

> > 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".

> OK, so something like:

> spi: trigger trace event for message-done before mesg->complete
> 
> The message's complete callback might (permissibly) free the memory that
> holds the message. As recording the trace event for the end of a
> transfer accesses this message the recording is better done first.

Yes, that's the sort of thing I was looking for - it just makes the
review a bit easier.
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