Re: [PATCH v6 4/9] iio: adc: mcp3911: use resource-managed version of iio_device_register
From: Jonathan Cameron
Date: Wed Sep 21 2022 - 16:13:14 EST
On Mon, 19 Sep 2022 16:36:00 +0100
Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
> On Mon, 12 Sep 2022 13:02:19 +0200
> Marcus Folkesson <marcus.folkesson@xxxxxxxxx> wrote:
>
> > Hi,
> >
> > On Sat, Aug 20, 2022 at 01:41:50PM +0100, Jonathan Cameron wrote:
> > > On Mon, 15 Aug 2022 08:16:20 +0200
> > > Marcus Folkesson <marcus.folkesson@xxxxxxxxx> wrote:
> > >
> > > > Keep using managed resources as much as possible.
> > > >
> > > > Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
> > > > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> > > > ---
> > > > drivers/iio/adc/mcp3911.c | 53 ++++++++++++---------------------------
> > > > 1 file changed, 16 insertions(+), 37 deletions(-)
> > > >
> > > > diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
> > > > index 890af7dca62d..7e2efe702e57 100644
> > > > --- a/drivers/iio/adc/mcp3911.c
> > > > +++ b/drivers/iio/adc/mcp3911.c
> > > > @@ -258,6 +258,13 @@ static int mcp3911_config(struct mcp3911 *adc)
> > > > return mcp3911_write(adc, MCP3911_REG_CONFIG, configreg, 2);
> > > > }
> > > >
> > > > +static void mcp3911_cleanup_regulator(void *_adc)
> > >
> > > Missed this on previous versions, but why not pass
> > > the regulator pointer in as the parameter for the callback?
> > >
> > > static void mcp391_cleanup_regulator(void *reg)
> > > {
> > > regulator_disable(adc->vref);
> > > }
> > >
> > > Note this can't use the new devm_regulator_get_enable()
> > > because we need access to the regulator within the driver.
> > >
> > > I can tidy this up whilst applying (or given it's really minor I might
> > > not bother :)
> > >
> > > Note we are stalled at the moment with this series on getting the
> > > fixes upstream. I'll probably send that pull request shortly.
> >
> > Just a friendly reminder to not forget to pick up this series.
>
> If things go according to plan, Greg will take the pull request
> I sent the other day and I can fast forward the tree such that
> the first 3 patches are in my upstream, then do a second pull
> request with these applied. They aim here being to keep the
> history reasonably clean rather than spaghetti merges.
> Fingers crossed on timing working out. This all got delayed
> because I sat on the pull request for a week due to travel and
> dodgy airport wifi etc.
>
Now applied to the togreg branch of iio.git.
Pushed out as testing for some brief testing by 0day etc.
Jonathan
> Jonathan
>
> >
> > Thanks,
> >
> > /Marcus
>