fa12b773b7
This patch ensures that the kernel sets a sane base address for the PIIX4 PM I/O register region during boot. Without this the kernel may not successfully claim the region as a resource if the bootloader didn't configure the region. With this patch the kernel will always succeed with: pci 0000:00:0a.3: quirk: [io 0x1000-0x103f] claimed by PIIX4 ACPI The lack of the resource claiming is easily reproducible without this patch using current versions of QEMU. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Tested-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6641/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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