Re: [PATCH 1/7] ACPICA: Only include ACPI asm files if ACPI is enabled

[Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>]

On Wed, 04 Jun 2014, Rafael J. Wysocki wrote:

> On Wednesday, June 04, 2014 01:09:50 PM Lee Jones wrote:
> > Any drivers which support ACPI and Device Tree probing need to include
> > both respective header files.  Without this patch, if a driver is being
> > used on a platform which does not support ACPI and subsequently does not
> > have the config option enabled, but includes linux/acpi.h the build
> > breaks with:
> > 
> >   In file included from ../include/acpi/platform/acenv.h:150:0,
> >                    from ../include/acpi/acpi.h:56,
> >                    from ../include/linux/match.h:2,
> >                    from ../drivers/i2c/i2c-core.c:43:
> >   ../include/acpi/platform/aclinux.h:73:23:
> >    fatal error: asm/acenv.h: No such file or directory
> >    #include <asm/acenv.h>
> >                        ^
> 
> Which kernel does this happen with?

a0a962d (tag: refs/tags/next-20140602, refs/remotes/next/master)
  Add linux-next specific files for 20140602

> > Cc: Lv Zheng <lv.zheng-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> > Cc: Rafael J. Wysocki <rafael.j.wysocki-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> > Cc: linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> > Cc: devel-E0kO6a4B6psdnm+yROfE0A@public.gmane.org
> > Signed-off-by: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> > ---
> >  include/acpi/platform/aclinux.h | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
> > index cd1f052..fdf7663 100644
> > --- a/include/acpi/platform/aclinux.h
> > +++ b/include/acpi/platform/aclinux.h
> > @@ -70,9 +70,10 @@
> >  #ifdef EXPORT_ACPI_INTERFACES
> >  #include <linux/export.h>
> >  #endif
> > -#include <asm/acenv.h>
> >  
> > -#ifndef CONFIG_ACPI
> > +#ifdef CONFIG_ACPI
> > +#include <asm/acenv.h>
> > +#else
> >  
> >  /* External globals for __KERNEL__, stubs is needed */
> >  
> > 
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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