Re: [PATCH] gpio: dwapb: enable for ARC

[Arnd Bergmann <arnd@arndb.de>]

On Thursday 09 April 2015 10:29:59 Linus Walleij wrote:
> >
> > make.cross ARCH=blackfin
> > drivers/gpio/gpio-dwapb.c: In function 'dwapb_irq_handler':
> > drivers/gpio/gpio-dwapb.c:91:2: error: implicit declaration of function
> > 'readl_relaxed' [-Werror=implicit-function-declaration]
> > drivers/gpio/gpio-dwapb.c: In function 'dwapb_configure_irqs':
> > drivers/gpio/gpio-dwapb.c:212:32: error: 'struct gpio_chip' has no
> > member named 'of_node'
> > drivers/gpio/gpio-dwapb.c:221:16: error: 'struct gpio_chip' has no
> > member named 'of_node'
> > drivers/gpio/gpio-dwapb.c: In function 'dwapb_gpio_add_port':
> > drivers/gpio/gpio-dwapb.c:331:14: error: 'struct gpio_chip' has no
> > member named 'of_node'
> > cc1: some warnings being treated as errors
> > --->8---
> >
> > Probably better fix is to make dwgpio depend on !BLACKFIN because we
> > know it won't be built for it. If there're other arches that don't
> > define [readl|writel]_relaxed() we may add them as well.
> 
> This restrictions should be gone after commit
> 9439eb3ab9d1ece6e4ad7baaa4a7f534f9b9dab0
> "asm-generic: io: implement relaxed accessor macros as conditional wrappers"
> 
> I will make a patch removing the dependencies and see what happens.

Yes, makes sense. I think we don't need anything other than

	depends on OF_GPIO || X86_INTEL_QUARK

	Arnd