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SubjectRe: linux-next: build failure after merge of the final tree (linus' tree related)
On Saturday, January 15, 2011, Stephen Rothwell wrote:
> Hi all,
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> In file included from drivers/pci/pcie/aer/aerdrv.c:20:
> include/linux/pci-acpi.h:39: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'acpi_find_root_bridge_handle'
> Caused by commit 415e12b2379239973feab91850b0dce985c6058a ("PCI/ACPI:
> Request _OSC control once for each root bridge (v3)"). (Yet another
> patch not seen in linux-next until merged into Linus' tree. In this case
> the breakage was not seen because the new part of the pci tree was
> excluded from linux-next for several days because of another commit that
> broke my builds.

Ah. I thought it was in linux-next. :-(

> That other commit was only excluded from the pci tree
> just before being sent to Linus :-()
> This is the non CONFIG_ACPI version of acpi_find_root_bridge_handle()
> which returns an acpi_handle. pci-acpi.h is now always included in
> drivers/pci/pcie/aer/aerdrv.c.
> I tried ifef'ing out the inclusion of pci-acpi.h, but that only made
> matters worse. I have just left it for today. Please fix.

It looks like the non-CONFIG_ACPI version of acpi_find_root_bridge_handle()
is just not necessary any more, because acpi_find_root_bridge_handle() is only
used in code that depends on CONFIG_ACPI.

A patch removing it is appended, please test.


include/linux/pci-acpi.h | 3 ---
1 file changed, 3 deletions(-)

Index: linux-2.6/include/linux/pci-acpi.h
--- linux-2.6.orig/include/linux/pci-acpi.h
+++ linux-2.6/include/linux/pci-acpi.h
@@ -35,9 +35,6 @@ static inline acpi_handle acpi_pci_get_b
return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
-static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
-{ return NULL; }


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