[PATCH, v1 1/1] gpio: aspeed: Add gpio base address reading
Linus Walleij
linus.walleij at linaro.org
Mon Jan 18 09:40:57 EST 2021
On Wed, Jan 13, 2021 at 11:38 PM Hongwei Zhang <hongweiz at ami.com> wrote:
> Add gpio base address reading in the driver; in old code, it just
> returns -1 to gpio->chip.base.
>
> Fixes: 7ee2d5b4d4340353 ("ARM: dts: nuvoton: Add Fii Kudo system")
> Signed-off-by: Hongwei Zhang <hongweiz at ami.com>
NAK, sorry.
We never allow the device tree to specify this.
First, it is a Linux-only base so it would have to be a
"linux,..." property.
Even if it is a Linux-only property, it is a bad idea.
Only people using sysfs should have any need to specify global
GPIO numbers. Don't use sysfs. Use the GPIO character device
instead. See further:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpio/TODO
Yours,
Linus Walleij
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