linux-kernel - Re: [PATCH v2 0/7] backlight: gpio: simplify the driver

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Date:   Mon, 22 Jul 2019 19:09:50 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v2 0/7] backlight: gpio: simplify the driver

On Mon, Jul 22, 2019 at 05:02:55PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.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.
> 
> The first patch adds all necessary data structures to ecovec24. Patch
> 2/7 unifies much of the code for both pdata and non-pdata cases. Patches
> 3-4/7 remove unused platform data fields. Last three 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

For uncommented ones
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> 
> v1 -> v2:
> - rebased on top of v5.3-rc1 and adjusted to the recent changes from Andy
> - added additional two patches with minor improvements
> 
> Bartosz Golaszewski (7):
>   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: remove dev from struct gpio_backlight
>   backlight: gpio: remove def_value from struct gpio_backlight
>   backlight: gpio: use a helper variable for &pdev->dev
> 
>  arch/sh/boards/mach-ecovec24/setup.c         | 33 ++++++--
>  drivers/video/backlight/gpio_backlight.c     | 87 ++++++--------------
>  include/linux/platform_data/gpio_backlight.h |  3 -
>  3 files changed, 48 insertions(+), 75 deletions(-)
> 
> -- 
> 2.21.0
> 

-- 
With Best Regards,
Andy Shevchenko