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MIPS: Octeon: Disallow MSI-X interrupt and fall back to MSI interrupts.

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MSI-X interrupts are not supported yet for Octeon, return error if
MSI-X interrupts are requested by driver so that the driver will fall
back to use MSI interrupts.

Signed-off-by: Chandrakala Chavva <cchavva@caviumnetworks.com>
To: linux-mips@linux-mips.org
Cc: David Daney <ddaney@caviumnetworks.com>
Patchwork: https://patchwork.linux-mips.org/patch/1506/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
This commit is contained in:
Chandrakala Chavva
2010-07-26 18:14:16 -07:00
committed by Ralf Baechle
parent 1aa2b2782a
commit 52a0f00b50
2 changed files with 33 additions and 0 deletions
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5
arch/mips/include/asm/pci.h
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@@ -140,6 +140,11 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
return channel ? 15 : 14;
}
#ifdef CONFIG_CPU_CAVIUM_OCTEON
/* MSI arch hook for OCTEON */
#define arch_setup_msi_irqs arch_setup_msi_irqs
#endif
extern int pci_probe_only;
extern char * (*pcibios_plat_setup)(char *str);