Re: [patch] fix pciehp compile issue when CONFIG_ACPI is notenabled.

[Kristen Accardi]

On Mon, 2006-05-08 at 23:24 +0400, Alexey Dobriyan wrote:
> On Mon, May 08, 2006 at 11:54:30AM -0700, Kristen Accardi wrote:
> > Fix compile error when CONFIG_ACPI is not defined.
> 
> > --- 2.6-git.orig/include/acpi/actypes.h
> > +++ 2.6-git/include/acpi/actypes.h
> > @@ -348,6 +348,7 @@ struct acpi_pointer {
> >   * Mescellaneous types
> >   */
> >  typedef u32 acpi_status;	/* All ACPI Exceptions */
> > +#define acpi_status acpi_status
> >  typedef u32 acpi_name;		/* 4-byte ACPI name */
> >  typedef char *acpi_string;	/* Null terminated ASCII string */
> >  typedef void *acpi_handle;	/* Actually a ptr to a NS Node */
> 
> The following in include/linux/pci-acpi.h is ugly
> 
> 	#if !defined(acpi_status)
> 	typedef u32             acpi_status;
> 	#define AE_ERROR        (acpi_status) (0x0001)
> 	#endif
> 
> but you're adding more of it.

The actual solution to the problem is long.  acpi_status should not be
used outside of acpi-ca.  However, it is.  In many, many places.  The
real solution is to go around and re-write all the apis that export
acpi_status to drivers, and then fix all the drivers which rely on
acpi_status (and other acpi-caisms ).  This fix, while ugly, solves the
immediate problem in an expedient way.  However, I'm certainly open to
suggestions about nicer ways to do it.
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