[PATCH v3 1/3] video: fbdev: omapfb: lcd_ams_delta: use GPIO lookup table

Linus Walleij linus.walleij at linaro.org
Mon Sep 10 07:15:13 UTC 2018

On Mon, Sep 10, 2018 at 12:55 AM Janusz Krzysztofik <jmkrzyszt at gmail.com> wrote:

> Now as Amstrad Delta board - the only user of this driver - provides
> GPIO lookup tables, switch from GPIO numbers to GPIO descriptors and
> use the table to locate required GPIO pins.
> Declare static variables for storing GPIO descriptors and replace
> gpio_ function calls with their gpiod_ equivalents. Move GPIO lookup
> to the driver probe function so device initialization can be deferred
> instead of aborted if a GPIO pin is not yet available.
> Pin naming used by the driver should be followed while respective GPIO
> lookup table is initialized by a board init code.
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com>
> Signed-off-by: Janusz Krzysztofik <jmkrzyszt at gmail.com>

Good work as usual:
Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

FWIW I think the entire drivers/video/fbdev/omap/*
could be pretty easy to migrate to DRM if you compare
the simple drivers/gpu/drm/pl111 or drivers/gpu/drm/tve200
drivers. Just inspiration! :)

Linus Walleij

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