Re: [PATCH v7 0/9] backlight: gpio: simplify the driver

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On Wed, 23 Oct 2019, Daniel Thompson wrote:

> On Tue, Oct 22, 2019 at 11:29:54AM +0200, Bartosz Golaszewski wrote:
> > wt., 22 paź 2019 o 10:36 Bartosz Golaszewski <brgl@xxxxxxxx> napisał(a):
> > >
> > > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> > >
> > > While working on my other series related to gpio-backlight[1] I noticed
> > > that we could simplify the driver if we made the only user of platform
> > > data use GPIO lookups and device properties. This series tries to do
> > > that.
> > >
> > > First two patches contain minor fixes. Third patch makes the driver
> > > explicitly drive the GPIO line. Fourth patch adds all necessary data
> > > structures to ecovec24. Patch 5/9 unifies much of the code for both
> > > pdata and non-pdata cases. Patches 6-7/9 remove unused platform data
> > > fields. Last two patches contain additional improvements for the GPIO
> > > backlight driver while we're already modifying it.
> > >
> > > I don't have access to this HW but hopefully this works. Only compile
> > > tested.
> > >
> > > [1] https://lkml.org/lkml/2019/6/25/900
> > >
> > > v1 -> v2:
> > > - rebased on top of v5.3-rc1 and adjusted to the recent changes from Andy
> > > - added additional two patches with minor improvements
> > >
> > > v2 -> v3:
> > > - in patch 7/7: used initializers to set values for pdata and dev local vars
> > >
> > > v3 -> v4:
> > > - rebased on top of v5.4-rc1
> > > - removed changes that are no longer relevant after commit ec665b756e6f
> > >   ("backlight: gpio-backlight: Correct initial power state handling")
> > > - added patch 7/7
> > >
> > > v4 -> v5:
> > > - in patch 7/7: added a comment replacing the name of the function being
> > >   pulled into probe()
> > >
> > > v5 -> v6:
> > > - added a patch making the driver explicitly set the direction of the GPIO
> > >   to output
> > > - added a patch removing a redundant newline
> > >
> > > v6 -> v7:
> > > - renamed the function calculating the new GPIO value for status update
> > > - collected more tags
> > >
> > > Bartosz Golaszewski (9):
> > >   backlight: gpio: remove unneeded include
> > >   backlight: gpio: remove stray newline
> > >   backlight: gpio: explicitly set the direction of the GPIO
> > >   sh: ecovec24: add additional properties to the backlight device
> > >   backlight: gpio: simplify the platform data handling
> > >   sh: ecovec24: don't set unused fields in platform data
> > >   backlight: gpio: remove unused fields from platform data
> > >   backlight: gpio: use a helper variable for &pdev->dev
> > >   backlight: gpio: pull gpio_backlight_initial_power_state() into probe
> > >
> > >  arch/sh/boards/mach-ecovec24/setup.c         |  33 +++--
> > >  drivers/video/backlight/gpio_backlight.c     | 128 +++++++------------
> > >  include/linux/platform_data/gpio_backlight.h |   3 -
> > >  3 files changed, 69 insertions(+), 95 deletions(-)
> > >
> > >
> > 
> > Lee, Daniel, Jingoo,
> > 
> > Jacopo is travelling until November 1st and won't be able to test this
> > again before this date. Do you think you can pick it up and in case
> > anything's broken on SH, we can fix it after v5.5-rc1, so that it
> > doesn't miss another merge window?

November 1st (-rc6) will be fine.

I'd rather apply it late-tested than early-non-tested.

Hopefully Jacopo can prioritise testing this on Thursday or Friday,
since Monday will be -rc7 which is really cutting it fine.

> Outside of holidays and other emergencies Lee usually collects up the
> patches for backlight. I'm not sure when he plans to close things for
> v5.5.

In special cases such as these I can remain flexible.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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