Re: [PATCH 13/13] auxdisplay: Add HD44780 Character LCD support

From: Geert Uytterhoeven
Date: Wed Feb 08 2017 - 08:18:54 EST


Hi Andy,

On Tue, Feb 7, 2017 at 12:23 PM, Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Mon, Feb 6, 2017 at 4:38 PM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>> The Hitachi HD44780 Character LCD Controller is commonly used on
>> character LCDs that can display one or more lines of text.
>>
>> This driver supports character LCDs connected to GPIOs, using either a
>> 4-bit or 8-bit data bus, and provides access through the charlcd core
>> and /dev/lcd.
>
> Can we not limit this to OF? I can easily imagine use case with
> x86/ACPI enabled platform.

Sure!

> On the first glance of_property-* -> device_property_* is enough.

And of_gpio_named_count() -> gpiod_count().

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds