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authorMatthew Wilcox <matthew@wil.cx>2009-12-13 08:11:31 -0500
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-02-22 16:15:17 -0800
commit536c8cb49eccd4f753b4782e7e975ef87359cb44 (patch)
tree1cc2a32b17e4eb1fc4c9b64dc4895892a2fd3d41
parentf07852d6442c46c50b59c7e2acc8a1b291f9ab6d (diff)
downloadop-kernel-dev-536c8cb49eccd4f753b4782e7e975ef87359cb44.zip
op-kernel-dev-536c8cb49eccd4f753b4782e7e975ef87359cb44.tar.gz
PCI: Unify pcie_link_speed and pci_bus_speed
These enums must not overlap anyway, since we only have a single pci_bus_speed_strings array. Use a single enum, and move it to pci.h. Add 'SPEED' to the pcie names to make it clear what they are. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c16
-rw-r--r--include/linux/pci.h21
-rw-r--r--include/linux/pci_hotplug.h26
3 files changed, 29 insertions, 34 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 10040d5..6744ca1 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -613,7 +613,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
int pciehp_get_max_link_speed(struct slot *slot, enum pci_bus_speed *value)
{
struct controller *ctrl = slot->ctrl;
- enum pcie_link_speed lnk_speed;
+ enum pci_bus_speed lnk_speed;
u32 lnk_cap;
int retval = 0;
@@ -625,13 +625,13 @@ int pciehp_get_max_link_speed(struct slot *slot, enum pci_bus_speed *value)
switch (lnk_cap & 0x000F) {
case 1:
- lnk_speed = PCIE_2_5GB;
+ lnk_speed = PCIE_SPEED_2_5GT;
break;
case 2:
- lnk_speed = PCIE_5_0GB;
+ lnk_speed = PCIE_SPEED_5_0GT;
break;
default:
- lnk_speed = PCIE_LNK_SPEED_UNKNOWN;
+ lnk_speed = PCI_SPEED_UNKNOWN;
break;
}
@@ -694,7 +694,7 @@ int pciehp_get_max_lnk_width(struct slot *slot,
int pciehp_get_cur_link_speed(struct slot *slot, enum pci_bus_speed *value)
{
struct controller *ctrl = slot->ctrl;
- enum pcie_link_speed lnk_speed = PCI_SPEED_UNKNOWN;
+ enum pci_bus_speed lnk_speed = PCI_SPEED_UNKNOWN;
int retval = 0;
u16 lnk_status;
@@ -707,13 +707,13 @@ int pciehp_get_cur_link_speed(struct slot *slot, enum pci_bus_speed *value)
switch (lnk_status & PCI_EXP_LNKSTA_CLS) {
case 1:
- lnk_speed = PCIE_2_5GB;
+ lnk_speed = PCIE_SPEED_2_5GT;
break;
case 2:
- lnk_speed = PCIE_5_0GB;
+ lnk_speed = PCIE_SPEED_5_0GT;
break;
default:
- lnk_speed = PCIE_LNK_SPEED_UNKNOWN;
+ lnk_speed = PCI_SPEED_UNKNOWN;
break;
}
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c1968f4..d76a8a0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -187,6 +187,27 @@ enum pci_bus_flags {
PCI_BUS_FLAGS_NO_MMRBC = (__force pci_bus_flags_t) 2,
};
+/* Based on the PCI Hotplug Spec, but some values are made up by us */
+enum pci_bus_speed {
+ PCI_SPEED_33MHz = 0x00,
+ PCI_SPEED_66MHz = 0x01,
+ PCI_SPEED_66MHz_PCIX = 0x02,
+ PCI_SPEED_100MHz_PCIX = 0x03,
+ PCI_SPEED_133MHz_PCIX = 0x04,
+ PCI_SPEED_66MHz_PCIX_ECC = 0x05,
+ PCI_SPEED_100MHz_PCIX_ECC = 0x06,
+ PCI_SPEED_133MHz_PCIX_ECC = 0x07,
+ PCI_SPEED_66MHz_PCIX_266 = 0x09,
+ PCI_SPEED_100MHz_PCIX_266 = 0x0a,
+ PCI_SPEED_133MHz_PCIX_266 = 0x0b,
+ PCI_SPEED_66MHz_PCIX_533 = 0x11,
+ PCI_SPEED_100MHz_PCIX_533 = 0x12,
+ PCI_SPEED_133MHz_PCIX_533 = 0x13,
+ PCIE_SPEED_2_5GT = 0x14,
+ PCIE_SPEED_5_0GT = 0x15,
+ PCI_SPEED_UNKNOWN = 0xff,
+};
+
struct pci_cap_saved_state {
struct hlist_node next;
char cap_nr;
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index 652ba797..56251ac 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -28,26 +28,6 @@
#ifndef _PCI_HOTPLUG_H
#define _PCI_HOTPLUG_H
-
-/* These values come from the PCI Hotplug Spec */
-enum pci_bus_speed {
- PCI_SPEED_33MHz = 0x00,
- PCI_SPEED_66MHz = 0x01,
- PCI_SPEED_66MHz_PCIX = 0x02,
- PCI_SPEED_100MHz_PCIX = 0x03,
- PCI_SPEED_133MHz_PCIX = 0x04,
- PCI_SPEED_66MHz_PCIX_ECC = 0x05,
- PCI_SPEED_100MHz_PCIX_ECC = 0x06,
- PCI_SPEED_133MHz_PCIX_ECC = 0x07,
- PCI_SPEED_66MHz_PCIX_266 = 0x09,
- PCI_SPEED_100MHz_PCIX_266 = 0x0a,
- PCI_SPEED_133MHz_PCIX_266 = 0x0b,
- PCI_SPEED_66MHz_PCIX_533 = 0x11,
- PCI_SPEED_100MHz_PCIX_533 = 0x12,
- PCI_SPEED_133MHz_PCIX_533 = 0x13,
- PCI_SPEED_UNKNOWN = 0xff,
-};
-
/* These values come from the PCI Express Spec */
enum pcie_link_width {
PCIE_LNK_WIDTH_RESRV = 0x00,
@@ -61,12 +41,6 @@ enum pcie_link_width {
PCIE_LNK_WIDTH_UNKNOWN = 0xFF,
};
-enum pcie_link_speed {
- PCIE_2_5GB = 0x14,
- PCIE_5_0GB = 0x15,
- PCIE_LNK_SPEED_UNKNOWN = 0xFF,
-};
-
/**
* struct hotplug_slot_ops -the callbacks that the hotplug pci core can use
* @owner: The module owner of this structure
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