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authorJason Gunthorpe <jgunthorpe@obsidianresearch.com>2013-11-26 11:27:28 -0700
committerBjorn Helgaas <bhelgaas@google.com>2013-11-26 11:27:28 -0700
commitf407dae76040c9529c2c83b1488dda4ffc54522c (patch)
treefea9a97fe2f06fdc3ec5ee6bbf19edfe211a7949 /kernel/kexec.c
parentecf61c78bd787b9dfb4a6b1dfb7561c2a95c5c17 (diff)
downloadlinux-f407dae76040c9529c2c83b1488dda4ffc54522c.tar.gz
PCI: mvebu: Return 'unsupported' for Interrupt Line and Interrupt Pin
The emulated bridge does not support interrupts, so it should return the value 0 for Interrupt Line and Interrupt Pin. This indicates that interrupts are not supported. Since Max_Lat and Min_Gnt are also in the same 32-bit word, we return 0 for them, which means "do not care." This corrects an error message from the kernel: pci 0000:00:01.0: of_irq_parse_pci() failed with rc=135 Which is due to the default return of 0xFFFFFFFF indicating that interrupts are supported. The error message regression was caused by 16b84e5a505 ("of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.") Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'kernel/kexec.c')
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