sparc32 defconfig build broken due to commit ebd97be63 (PCI: removeARCH_SUPPORTS_MSI kconfig option)

[Guenter Roeck]

Hi,

"make ARCH=sparc32 defconfig; make ARCH=sparc32" on the current upstream kernel results in:

In file included from arch/sparc/kernel/pci_msi.c:10:0:
arch/sparc/kernel/pci_impl.h:142:18: error: field 'stc' has incomplete type
arch/sparc/kernel/pci_msi.c: In function 'sparc64_setup_msi_irq':
arch/sparc/kernel/pci_msi.c:131:2: error: implicit declaration of function 'irq_alloc' [-Werror=implicit-function-declaration]
arch/sparc/kernel/pci_msi.c:173:2: error: implicit declaration of function 'irq_free' [-Werror=implicit-function-declaration]
cc1: all warnings being treated as errors
make[2]: *** [arch/sparc/kernel/pci_msi.o] Error 1

Bisect points to commit ebd97be635 (PCI: remove ARCH_SUPPORTS_MSI kconfig option).
After reverting this commit, sparc32:defconfig builds fine.

sparc64 defconfig is unaffected.

Guenter
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