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authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>2009-07-29 14:39:58 +0900
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-09-09 13:29:50 -0700
commit825c423a35a80a8fd66398a3f9bde7f0b0187a76 (patch)
tree581b7f199a5fe0543a78139e18f05520964f2488 /drivers
parent6ed6a8dc83dc37d30c8a7ff2eae2ed054e34c91b (diff)
downloadop-kernel-dev-825c423a35a80a8fd66398a3f9bde7f0b0187a76.zip
op-kernel-dev-825c423a35a80a8fd66398a3f9bde7f0b0187a76.tar.gz
PCI hotplug: add support for 5.0G link speed
Add support for PCI-E 5.0 GT/s in max_bus_speed and cur_bus_speed. Reviewed-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c1
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c10
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 9d44669..0325d98 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -87,6 +87,7 @@ static char *pci_bus_speed_strings[] = {
"100 MHz PCIX 533", /* 0x12 */
"133 MHz PCIX 533", /* 0x13 */
"2.5 GT/s PCI-E", /* 0x14 */
+ "5.0 GT/s PCI-E", /* 0x15 */
};
#ifdef CONFIG_HOTPLUG_PCI_CPCI
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 5281325..271f917 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -693,7 +693,10 @@ static int hpc_get_max_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
switch (lnk_cap & 0x000F) {
case 1:
- lnk_speed = PCIE_2PT5GB;
+ lnk_speed = PCIE_2_5GB;
+ break;
+ case 2:
+ lnk_speed = PCIE_5_0GB;
break;
default:
lnk_speed = PCIE_LNK_SPEED_UNKNOWN;
@@ -772,7 +775,10 @@ static int hpc_get_cur_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
switch (lnk_status & PCI_EXP_LNKSTA_CLS) {
case 1:
- lnk_speed = PCIE_2PT5GB;
+ lnk_speed = PCIE_2_5GB;
+ break;
+ case 2:
+ lnk_speed = PCIE_5_0GB;
break;
default:
lnk_speed = PCIE_LNK_SPEED_UNKNOWN;
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