Re: linux-next: build failure after merge of the final tree (gpio tree related)

[Fabian Vogt]

Hi,

On Wed, Mar 5, 2014, 3:16 PM, Linus Walleij wrote:
> On Wed, Mar 5, 2014 at 2:35 PM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> 
> > After merging the final tree, today's linux-next build (powerpc
> > allyesconfig) failed like this:
> >
> > drivers/gpio/gpio-zevio.c: In function 'zevio_gpio_port_get':
> > drivers/gpio/gpio-zevio.c:70:2: error: implicit declaration of function 'IOMEM' [-Werror=implicit-function-declaration]
> >   return readl(IOMEM(c->chip.regs + section_offset + port_offset));
> >   ^
> > drivers/gpio/gpio-zevio.c:70:2: warning: passing argument 1 of 'readl' makes pointer from integer without a cast [enabled by default]
> > In file included from include/linux/io.h:22:0,
> >                  from drivers/gpio/gpio-zevio.c:15:
> > arch/powerpc/include/asm/io-defs.h:6:16: note: expected 'const volatile void *' but argument is of type 'int'
> >  DEF_PCI_AC_RET(readl, u32, (const PCI_IO_ADDR addr), (addr), mem, addr)
> >                 ^
> 
> Fabian can you suggest a patch adding the proper depends added to
> the Kconfig. Check what things bring in the IOMEM etc that is needed
> to compile this.

It looks like powerpc doesn't have the IOMEM macro (which just casts to "void __iomem*").
Would "depends on ARM && OF_GPIO" be ok?

> Yours,
> Linus Walleij

Bye,
Fabian
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