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authorBjorn Helgaas <bhelgaas@google.com>2014-04-05 21:05:07 (GMT)
committerBjorn Helgaas <bhelgaas@google.com>2014-04-14 22:06:30 (GMT)
commit17f830bb83ff64533f02cfd4b114d4a5957c2ee7 (patch)
treefa94c6f0ec9bfec5f330f772fa61d171323a718f /drivers/pci
parent8e56aed0b0579b667489bcb1d94c223726f0eaa1 (diff)
downloadlinux-17f830bb83ff64533f02cfd4b114d4a5957c2ee7.tar.xz
PCI: pciehp: Use PCI_EXP_SLTCAP_PSN define
Use PCI_EXP_SLTCAP_PSN to make it easier to find code that uses the Physical Slot Number field in the PCIe Slot Capabilities register. No functional change. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/pciehp.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 8a66866..8e9012d 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -127,7 +127,7 @@ struct controller {
#define HP_SUPR_RM(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_HPS)
#define EMI(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_EIP)
#define NO_CMD_CMPL(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_NCCS)
-#define PSN(ctrl) ((ctrl)->slot_cap >> 19)
+#define PSN(ctrl) (((ctrl)->slot_cap & PCI_EXP_SLTCAP_PSN) >> 19)
int pciehp_sysfs_enable_slot(struct slot *slot);
int pciehp_sysfs_disable_slot(struct slot *slot);