Re: [PATCH 1/2] rtc: max77686: convert to devm_i2c_new_dummy_device()

[Wolfram Sang]

On Thu, Aug 29, 2019 at 10:57:52PM +0200, Alexandre Belloni wrote:
> On 20/08/2019 17:42:37+0200, Wolfram Sang wrote:
> > I was about to simplify the call to i2c_unregister_device() when I
> > realized that converting to devm_i2c_new_dummy_device() will simplify
> > the driver a lot. So I took this approach.
> > 
> > Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> > ---
> > Build tested only, buildbot is happy, too.
> > 
> > Please apply to your tree.
> > 
> 
> I'm confused because I already applied:
> https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git/commit/?h=rtc-next&id=7150710f3084de8d35ce3221eeae2caee8813f92

The above was a mass conversion to i2c_new_dummy_device() to make sure
all in-kernel users use the API returning an ERRPTR. Mass conversion to
the devm_ variant of the same function was too troublesome.

With another series, I wanted to remove superfluous error checking of
i2c_unregister_device() because it is NULL-ptr safe, like here:

> > -	if (info->rtc)
> > -		i2c_unregister_device(info->rtc);

But for these two RTC drivers, I figured moving to devm_* is way easier
than fixing up the mass conversion result from coccinelle.

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