[PATCH 5/5] spi: make remove callback a void function

[Uwe Kleine-König]

[Dropped a few people from Cc that are not reachable (Harry Morris,
Charles-Antoine Couret, Marco Felsch)]

On Tue, Jan 25, 2022 at 09:47:59AM +0000, Jonathan Cameron wrote:
> On Sun, 23 Jan 2022 18:52:01 +0100
> Uwe Kleine-König <u.kleine-koenig at pengutronix.de> wrote:
> 
> > The value returned by an spi driver's remove function is mostly ignored.
> > (Only an error message is printed if the value is non-zero that the
> > error is ignored.)
> > 
> > So change the prototype of the remove function to return no value. This
> > way driver authors are not tempted to assume that passing an error to
> > the upper layer is a good idea. All drivers are adapted accordingly.
> > There is no intended change of behaviour, all callbacks were prepared to
> > return 0 before.
> > 
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> 
> For iio drivers.
> 
> Acked-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
> 
> As you mention in the cover letter we'll be wanting an immutable
> branch somewhere to pull into subsystem trees.
> 
> Soon is good if possible as otherwise we'll end up with a bunch of merge
> conflicts getting resolved in next.

Yes, I considered creating a tag to pull already when sending out this
series, but I guessed delaying that a little bit to give people the
opportunity to ack would be a good idea.

@broonie: Do you think this change is a good idea? Would you require
some more acks for the preparatory patches? I had hoped to get Acks from
the corresponding maintainers, maybe they are busy and missed this
series as I put them on Cc: only. I promoted them to To: in this mail.

Or is it too ambitious to get this in during the next merge window?

Best regards
Uwe

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