[PATCH 3/5] Staging/iio/adc/touchscreen/MXS: add i.MX23 support to the LRADC driver

Marek Vasut marex at denx.de
Tue Sep 10 09:43:36 EDT 2013


Dear Jürgen Beisert,

> Hi Marek,
> 
> On Tuesday 10 September 2013 10:22:36 Marek Vasut wrote:
> > > On Monday 09 September 2013 18:04:19 Marek Vasut wrote:
> > > > > Distinguish i.MX23 and i.MX28 at runtime and do the same for both
> > > > > SoC at least for the 4 wire touchscreen.
> > > > > 
> > > > > Signed-off-by: Juergen Beisert <jbe at pengutronix.de>
> > > > > CC: linux-arm-kernel at lists.infradead.org
> > > > > CC: devel at driverdev.osuosl.org
> > > > > CC: Marek Vasut <marex at denx.de>
> > > > > CC: Fabio Estevam <fabio.estevam at freescale.com>
> > > > > CC: Jonathan Cameron <jic23 at cam.ac.uk>
> > > > 
> > > > This patch seems to combine two things -- register access rework AND
> > > > adjustment of the driver for MX23 touchscreen.
> > > 
> > > It reworks the register access to avoid the i.MX23/i.MX28 runtime
> > > decision all over the code again and again. This is what Dan has
> > > recommended in his comment.
> > 
> > Sure, but this change should be separated from fixing the touchscreen
> > support then.
> 
> Hmm, but there is no need to rework the register access until the i.MX23
> touchscreen support is added. So this patch does both at the same time.

Yeah, which is hard to review if you combine two patches into single one. I'm 
pretty sure you do understand this.

[...]

Best regards,
Marek Vasut



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