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PCI: Unify pcie_link_speed and pci_bus_speed

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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>
This commit is contained in:
Matthew Wilcox 2009-12-13 08:11:31 -05:00 committed by Jesse Barnes
parent f07852d644
commit 536c8cb49e
3 changed files with 29 additions and 34 deletions
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16
drivers/pci/hotplug/pciehp_hpc.c
View File

@ -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;
}

21
include/linux/pci.h
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@ -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;

26
include/linux/pci_hotplug.h
View File

@ -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