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

[Lee Jones <lee.jones@linaro.org>]

On Fri, 08 Nov 2019, Bartosz Golaszewski wrote:

> pon., 4 lis 2019 o 10:22 Bartosz Golaszewski <brgl@bgdev.pl> napisał(a):
> >
> > pt., 1 lis 2019 o 16:39 Jacopo Mondi <jacopo@jmondi.org> napisał(a):
> > >
> > > Hello,
> > >   as promised...
> > >
> > > On Fri, Nov 01, 2019 at 08:58:03AM +0000, Lee Jones wrote:
> > > > On Thu, 24 Oct 2019, Jacopo Mondi wrote:
> > > >
> > > > > Hello,
> > > > >
> > > > > On Thu, Oct 24, 2019 at 07:47:26AM +0100, Lee Jones wrote:
> > > > > > 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@bgdev.pl> napisał(a):
> > > > > > > > >
> > > > > > > > > From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> > > > > > > > >
> > > > > > > > > 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.
> > > > >
> > > > > I'll do my best, I'll get home Friday late afternoon :)
> > > >
> > > > Welcome home!
> > > >
> > > > Just a little reminder in your inbox. TIA. :)
> > >
> > > For the ecovec part:
> > > Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> > >
> >
> > Thanks Jacopo!
> >
> > Lee: I hope it's not too late to get it picked up for v5.5?
> >
> 
> Hi, just a gentle ping for this series, because I'm afraid it will
> miss yet another merge window.

I have it marked to handle it, along with 10's of others.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog