linux-kernel - Re: [bootup crash, -git] Re: patch pci-pcie-aspm-support.patchadded to gregkh-2.6 tree

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Message-Id: <1203482901.23071.5.camel@sli10-desk.sh.intel.com>
Date:	Wed, 20 Feb 2008 12:48:21 +0800
From:	Shaohua Li <shaohua.li@...el.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Greg KH <greg@...ah.com>, Ingo Molnar <mingo@...e.hu>,
	"Kok, Auke-jan H" <auke-jan.h.kok@...el.com>,
	linux-kernel@...r.kernel.org, linux-pci@...ey.karlin.mff.cuni.cz,
	matthew@....cx,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [bootup crash, -git] Re: patch
	pci-pcie-aspm-support.patchadded to gregkh-2.6 tree


On Tue, 2008-02-19 at 20:14 -0800, Greg KH wrote:
> On Wed, Feb 20, 2008 at 09:36:07AM +0800, Shaohua Li wrote:
> > --- linux.orig/include/linux/pci-acpi.h	2008-02-19 11:03:51.000000000 +0800
> > +++ linux/include/linux/pci-acpi.h	2008-02-20 09:19:15.000000000 +0800
> > @@ -47,6 +47,7 @@
> >  				OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
> >  
> >  #ifdef CONFIG_ACPI
> > +#include <acpi/acpi_bus.h>
> >  extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
> >  extern acpi_status __pci_osc_support_set(u32 flags, const char *hid);
> >  static inline acpi_status pci_osc_support_set(u32 flags)
> > @@ -59,13 +60,11 @@ static inline acpi_status pcie_osc_suppo
> >  }
> >  #else
> >  #if !defined(AE_ERROR)
> > -typedef u32 		acpi_status;
> > -#define AE_ERROR      	(acpi_status) (0x0001)
> > -#endif    
> > -static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
> > -{return AE_ERROR;}
> > -static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} 
> > -static inline acpi_status pcie_osc_support_set(u32 flags) {return AE_ERROR;}
> > +#define AE_ERROR      	(0x0001)
> > +#endif
> > +#define pci_osc_control_set(handle, flags) (AE_ERROR)
> > +#define pci_osc_support_set(flags) (AE_ERROR)
> > +#define pcie_osc_support_set(flags) (AE_ERROR)
> 
> No, please use inline functions, don't change these functions that
> should be just fine.  Why are you needing to change them?
some types aren't defined in non-ACPI, like acpi_handle, acpi_status.

Thanks,
Shaohua

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