From: Bjorn Helgaas Date: Wed, 17 Apr 2013 22:57:56 +0000 (-0600) Subject: PCI: Use u8, not int, for PM capability offset X-Git-Tag: v3.12-rc1~1006^2^2~17 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=703860ed4e36ded696bd44af6107243fdedfb746;p=kernel%2Fkernel-generic.git PCI: Use u8, not int, for PM capability offset The Power Management Capability (PCI_CAP_ID_PM == 0x01) is defined by PCI and must appear in the 256-byte PCI Configuration Space from 0-0xff. It cannot be in the PCIe Extended Configuration space from 0x100-0xfff, so we only need a u8 to hold its offset. Signed-off-by: Bjorn Helgaas Acked-by: Rafael J. Wysocki --- diff --git a/include/linux/pci.h b/include/linux/pci.h index 2461033a..9587d4d 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -249,8 +249,7 @@ struct pci_dev { pci_power_t current_state; /* Current operating state. In ACPI-speak, this is D0-D3, D0 being fully functional, and D3 being off. */ - int pm_cap; /* PM capability offset in the - configuration space */ + u8 pm_cap; /* PM capability offset */ unsigned int pme_support:5; /* Bitmask of states from which PME# can be generated */ unsigned int pme_interrupt:1;