Re: [PATCH v2] backlight: pwm_bl: Switch to full GPIO descriptor

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On Fri, Dec 13, 2019 at 11:23:46AM +0100, Linus Walleij wrote:
> The PWM backlight still supports passing a enable GPIO line as
> platform data using the legacy <linux/gpio.h> API.
> 
> It turns out that ever board using this mechanism except one
> is pass .enable_gpio = -1. So we drop all these cargo-culted -1's
> from all instances of this platform data in the kernel.
> 
> The remaning board, Palm TC, is converted to pass a machine
> descriptior table with the "enable" GPIO instead, and delete the
> platform data entry for enable_gpio and the code handling it
> and things should work smoothly with the new API.
> 
> Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Cc: Robert Jarzmik <robert.jarzmik@xxxxxxx>
> Cc: Guan Xuetao <gxt@xxxxxxxxxx>
> Reviewed-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
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