Thread (28 messages) 28 messages, 4 authors, 2013-11-22

[PATCH 0/9] ARM: sa1100: Rework IRQ handling

From: Linus Walleij <hidden>
Date: 2013-11-19 20:24:31
Also in: linux-gpio

On Tue, Nov 19, 2013 at 4:17 PM, Dmitry Eremin-Solenikov
[off-list ref] wrote:
On 11/19/2013 05:00 PM, Linus Walleij wrote:
quoted
And that happens before the GPIO driver gets registered -> crash.
That is not the issue. The real issue is h3xxx using those gpio's without
previously calling gpio_request.
Really? But that wasn't done before this patch either.

It is basically OK to use the gpio_* functions before or
without requesting the GPIOs, it won't look nice but it
works.
Unfortunately sa1100 driver doesn't have a
good place to request gpios. When faced this problem during locomo
refactoring, I ended up with the following piece of code:
(...)
Russell, Linus, what do you think about the previous solution?
That looks OK but is that really the problem?

Yours,
Linus Walleij
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