Re: [PATCH 2/5] input: misc: bma150: Conditionally disable bma023 support

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On Wed, May 06, 2020 at 08:46:12PM -0700, Jonathan Bakker wrote:
> Hi Linus,
> 
> On 2020-05-06 5:46 a.m., Linus Walleij wrote:
> > On Sun, May 3, 2020 at 7:22 PM Jonathan Bakker <xc-racer2@xxxxxxx> wrote:
> > 
> >> The bma180 IIO driver has been extended for support for bma023.
> >> However, this could cause conflicts with this driver.  Since some
> >> setups may depend upon the evdev setup, disable support in this
> >> driver for the bma023 only when the IIO driver is being built.
> >>
> >> Signed-off-by: Jonathan Bakker <xc-racer2@xxxxxxx>
> > 
> > I would just fix this with KConfig instead, like add mutually
> > exclusive depends on these two drivers.
> > 
> > Set this input driver as:
> > depends on BMA180=n
> > 
> > And the IIO driver as:
> > depends on INPUT_BMA150=n
> > 
> > It's a rough measure but this input driver should anyway
> > go away.

Isn't the driver handle more than bma023? I see bma150 and smb380 ID's.
If we go Kconfig route we will be disabling it for them as well when IIO
driver is enabled.

> > 
> 
> Ok, sounds good to me.  If I include a patch removing the input
> driver, can I just drop this patch entirely?

> 
> The only in-tree user of the input driver (based on i2c ids) is Intel
> Mid.  Not sure what the kernel policy on dropping drivers is.

Do we still support this platform? I'd start there.

Thanks.

-- 
Dmitry



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