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authorBjorn Helgaas <bhelgaas@google.com>2014-01-13 16:47:08 -0700
committerBjorn Helgaas <bhelgaas@google.com>2014-01-13 16:47:08 -0700
commit597db6f38c4bcb90406d4e2f56446ba5a5dc20c6 (patch)
tree82cb8a6e1cec2df8adaf527b92667a4c5ba29254 /drivers/pci
parent6b9bd1e3ee8f23b55d407becf4f6f422ec4610f2 (diff)
parent0b950f0f3c67e42f18c655a3ab3e36ea192635bb (diff)
downloadop-kernel-dev-597db6f38c4bcb90406d4e2f56446ba5a5dc20c6.zip
op-kernel-dev-597db6f38c4bcb90406d4e2f56446ba5a5dc20c6.tar.gz
Merge branch 'pci/dead-code' into next
* pci/dead-code: PCI: Make local functions static PCI: Remove unused alloc_pci_dev() PCI: Remove unused pci_renumber_slot() PCI: Remove unused pcie_aspm_enabled() PCI: Remove unused pci_vpd_truncate() PCI: Remove unused ID-Based Ordering support PCI: Remove unused Optimized Buffer Flush/Fill support PCI: Remove unused Latency Tolerance Reporting support PCI: Removed unused parts of Page Request Interface support Conflicts: drivers/pci/pci.c include/linux/pci.h
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/access.c24
-rw-r--r--drivers/pci/ats.c82
-rw-r--r--drivers/pci/hotplug/pciehp.h1
-rw-r--r--drivers/pci/hotplug/pciehp_core.c2
-rw-r--r--drivers/pci/pci.c286
-rw-r--r--drivers/pci/pci.h2
-rw-r--r--drivers/pci/pcie/aspm.c12
-rw-r--r--drivers/pci/probe.c117
-rw-r--r--drivers/pci/slot.c26
9 files changed, 82 insertions, 470 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 0857ca9..7f8b78c 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -381,30 +381,6 @@ int pci_vpd_pci22_init(struct pci_dev *dev)
}
/**
- * pci_vpd_truncate - Set available Vital Product Data size
- * @dev: pci device struct
- * @size: available memory in bytes
- *
- * Adjust size of available VPD area.
- */
-int pci_vpd_truncate(struct pci_dev *dev, size_t size)
-{
- if (!dev->vpd)
- return -EINVAL;
-
- /* limited by the access method */
- if (size > dev->vpd->len)
- return -EINVAL;
-
- dev->vpd->len = size;
- if (dev->vpd->attr)
- dev->vpd->attr->size = size;
-
- return 0;
-}
-EXPORT_SYMBOL(pci_vpd_truncate);
-
-/**
* pci_cfg_access_lock - Lock PCI config reads/writes
* @dev: pci device struct
*
diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index e52d7ff..a8099d4 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -235,27 +235,6 @@ void pci_disable_pri(struct pci_dev *pdev)
EXPORT_SYMBOL_GPL(pci_disable_pri);
/**
- * pci_pri_enabled - Checks if PRI capability is enabled
- * @pdev: PCI device structure
- *
- * Returns true if PRI is enabled on the device, false otherwise
- */
-bool pci_pri_enabled(struct pci_dev *pdev)
-{
- u16 control;
- int pos;
-
- pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
- if (!pos)
- return false;
-
- pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
-
- return (control & PCI_PRI_CTRL_ENABLE) ? true : false;
-}
-EXPORT_SYMBOL_GPL(pci_pri_enabled);
-
-/**
* pci_reset_pri - Resets device's PRI state
* @pdev: PCI device structure
*
@@ -282,67 +261,6 @@ int pci_reset_pri(struct pci_dev *pdev)
return 0;
}
EXPORT_SYMBOL_GPL(pci_reset_pri);
-
-/**
- * pci_pri_stopped - Checks whether the PRI capability is stopped
- * @pdev: PCI device structure
- *
- * Returns true if the PRI capability on the device is disabled and the
- * device has no outstanding PRI requests, false otherwise. The device
- * indicates this via the STOPPED bit in the status register of the
- * capability.
- * The device internal state can be cleared by resetting the PRI state
- * with pci_reset_pri(). This can force the capability into the STOPPED
- * state.
- */
-bool pci_pri_stopped(struct pci_dev *pdev)
-{
- u16 control, status;
- int pos;
-
- pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
- if (!pos)
- return true;
-
- pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
- pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status);
-
- if (control & PCI_PRI_CTRL_ENABLE)
- return false;
-
- return (status & PCI_PRI_STATUS_STOPPED) ? true : false;
-}
-EXPORT_SYMBOL_GPL(pci_pri_stopped);
-
-/**
- * pci_pri_status - Request PRI status of a device
- * @pdev: PCI device structure
- *
- * Returns negative value on failure, status on success. The status can
- * be checked against status-bits. Supported bits are currently:
- * PCI_PRI_STATUS_RF: Response failure
- * PCI_PRI_STATUS_UPRGI: Unexpected Page Request Group Index
- * PCI_PRI_STATUS_STOPPED: PRI has stopped
- */
-int pci_pri_status(struct pci_dev *pdev)
-{
- u16 status, control;
- int pos;
-
- pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
- if (!pos)
- return -EINVAL;
-
- pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
- pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status);
-
- /* Stopped bit is undefined when enable == 1, so clear it */
- if (control & PCI_PRI_CTRL_ENABLE)
- status &= ~PCI_PRI_STATUS_STOPPED;
-
- return status;
-}
-EXPORT_SYMBOL_GPL(pci_pri_status);
#endif /* CONFIG_PCI_PRI */
#ifdef CONFIG_PCI_PASID
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index ffe6a6b..ccb0925 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -43,7 +43,6 @@
extern bool pciehp_poll_mode;
extern int pciehp_poll_time;
extern bool pciehp_debug;
-extern bool pciehp_force;
#define dbg(format, arg...) \
do { \
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 143a389..53b58de 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -41,7 +41,7 @@
bool pciehp_debug;
bool pciehp_poll_mode;
int pciehp_poll_time;
-bool pciehp_force;
+static bool pciehp_force;
#define DRIVER_VERSION "0.4"
#define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 508e560..1cbd590 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -683,6 +683,28 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
}
/**
+ * pci_wakeup - Wake up a PCI device
+ * @pci_dev: Device to handle.
+ * @ign: ignored parameter
+ */
+static int pci_wakeup(struct pci_dev *pci_dev, void *ign)
+{
+ pci_wakeup_event(pci_dev);
+ pm_request_resume(&pci_dev->dev);
+ return 0;
+}
+
+/**
+ * pci_wakeup_bus - Walk given bus and wake up devices on it
+ * @bus: Top bus of the subtree to walk.
+ */
+static void pci_wakeup_bus(struct pci_bus *bus)
+{
+ if (bus)
+ pci_walk_bus(bus, pci_wakeup, NULL);
+}
+
+/**
* __pci_start_power_transition - Start power transition of a PCI device
* @dev: PCI device to handle.
* @state: State to put the device into.
@@ -1110,7 +1132,8 @@ EXPORT_SYMBOL_GPL(pci_store_saved_state);
* @dev: PCI device that we're dealing with
* @state: Saved state returned from pci_store_saved_state()
*/
-int pci_load_saved_state(struct pci_dev *dev, struct pci_saved_state *state)
+static int pci_load_saved_state(struct pci_dev *dev,
+ struct pci_saved_state *state)
{
struct pci_cap_saved_data *cap;
@@ -1138,7 +1161,6 @@ int pci_load_saved_state(struct pci_dev *dev, struct pci_saved_state *state)
dev->state_saved = true;
return 0;
}
-EXPORT_SYMBOL_GPL(pci_load_saved_state);
/**
* pci_load_and_free_saved_state - Reload the save state pointed to by state,
@@ -1570,27 +1592,6 @@ void pci_pme_wakeup_bus(struct pci_bus *bus)
pci_walk_bus(bus, pci_pme_wakeup, (void *)true);
}
-/**
- * pci_wakeup - Wake up a PCI device
- * @pci_dev: Device to handle.
- * @ign: ignored parameter
- */
-static int pci_wakeup(struct pci_dev *pci_dev, void *ign)
-{
- pci_wakeup_event(pci_dev);
- pm_request_resume(&pci_dev->dev);
- return 0;
-}
-
-/**
- * pci_wakeup_bus - Walk given bus and wake up devices on it
- * @bus: Top bus of the subtree to walk.
- */
-void pci_wakeup_bus(struct pci_bus *bus)
-{
- if (bus)
- pci_walk_bus(bus, pci_wakeup, NULL);
-}
/**
* pci_pme_capable - check the capability of PCI device to generate PME#
@@ -1804,7 +1805,7 @@ int pci_wake_from_d3(struct pci_dev *dev, bool enable)
* If the platform can't manage @dev, return the deepest state from which it
* can generate wake events, based on any available PME info.
*/
-pci_power_t pci_target_state(struct pci_dev *dev)
+static pci_power_t pci_target_state(struct pci_dev *dev)
{
pci_power_t target_state = PCI_D3hot;
@@ -2168,242 +2169,6 @@ void pci_configure_ari(struct pci_dev *dev)
}
}
-/**
- * pci_enable_ido - enable ID-based Ordering on a device
- * @dev: the PCI device
- * @type: which types of IDO to enable
- *
- * Enable ID-based ordering on @dev. @type can contain the bits
- * %PCI_EXP_IDO_REQUEST and/or %PCI_EXP_IDO_COMPLETION to indicate
- * which types of transactions are allowed to be re-ordered.
- */
-void pci_enable_ido(struct pci_dev *dev, unsigned long type)
-{
- u16 ctrl = 0;
-
- if (type & PCI_EXP_IDO_REQUEST)
- ctrl |= PCI_EXP_DEVCTL2_IDO_REQ_EN;
- if (type & PCI_EXP_IDO_COMPLETION)
- ctrl |= PCI_EXP_DEVCTL2_IDO_CMP_EN;
- if (ctrl)
- pcie_capability_set_word(dev, PCI_EXP_DEVCTL2, ctrl);
-}
-EXPORT_SYMBOL(pci_enable_ido);
-
-/**
- * pci_disable_ido - disable ID-based ordering on a device
- * @dev: the PCI device
- * @type: which types of IDO to disable
- */
-void pci_disable_ido(struct pci_dev *dev, unsigned long type)
-{
- u16 ctrl = 0;
-
- if (type & PCI_EXP_IDO_REQUEST)
- ctrl |= PCI_EXP_DEVCTL2_IDO_REQ_EN;
- if (type & PCI_EXP_IDO_COMPLETION)
- ctrl |= PCI_EXP_DEVCTL2_IDO_CMP_EN;
- if (ctrl)
- pcie_capability_clear_word(dev, PCI_EXP_DEVCTL2, ctrl);
-}
-EXPORT_SYMBOL(pci_disable_ido);
-
-/**
- * pci_enable_obff - enable optimized buffer flush/fill
- * @dev: PCI device
- * @type: type of signaling to use
- *
- * Try to enable @type OBFF signaling on @dev. It will try using WAKE#
- * signaling if possible, falling back to message signaling only if
- * WAKE# isn't supported. @type should indicate whether the PCIe link
- * be brought out of L0s or L1 to send the message. It should be either
- * %PCI_EXP_OBFF_SIGNAL_ALWAYS or %PCI_OBFF_SIGNAL_L0.
- *
- * If your device can benefit from receiving all messages, even at the
- * power cost of bringing the link back up from a low power state, use
- * %PCI_EXP_OBFF_SIGNAL_ALWAYS. Otherwise, use %PCI_OBFF_SIGNAL_L0 (the
- * preferred type).
- *
- * RETURNS:
- * Zero on success, appropriate error number on failure.
- */
-int pci_enable_obff(struct pci_dev *dev, enum pci_obff_signal_type type)
-{
- u32 cap;
- u16 ctrl;
- int ret;
-
- pcie_capability_read_dword(dev, PCI_EXP_DEVCAP2, &cap);
- if (!(cap & PCI_EXP_DEVCAP2_OBFF_MASK))
- return -ENOTSUPP; /* no OBFF support at all */
-
- /* Make sure the topology supports OBFF as well */
- if (dev->bus->self) {
- ret = pci_enable_obff(dev->bus->self, type);
- if (ret)
- return ret;
- }
-
- pcie_capability_read_word(dev, PCI_EXP_DEVCTL2, &ctrl);
- if (cap & PCI_EXP_DEVCAP2_OBFF_WAKE)
- ctrl |= PCI_EXP_DEVCTL2_OBFF_WAKE_EN;
- else {
- switch (type) {
- case PCI_EXP_OBFF_SIGNAL_L0:
- if (!(ctrl & PCI_EXP_DEVCTL2_OBFF_WAKE_EN))
- ctrl |= PCI_EXP_DEVCTL2_OBFF_MSGA_EN;
- break;
- case PCI_EXP_OBFF_SIGNAL_ALWAYS:
- ctrl &= ~PCI_EXP_DEVCTL2_OBFF_WAKE_EN;
- ctrl |= PCI_EXP_DEVCTL2_OBFF_MSGB_EN;
- break;
- default:
- WARN(1, "bad OBFF signal type\n");
- return -ENOTSUPP;
- }
- }
- pcie_capability_write_word(dev, PCI_EXP_DEVCTL2, ctrl);
-
- return 0;
-}
-EXPORT_SYMBOL(pci_enable_obff);
-
-/**
- * pci_disable_obff - disable optimized buffer flush/fill
- * @dev: PCI device
- *
- * Disable OBFF on @dev.
- */
-void pci_disable_obff(struct pci_dev *dev)
-{
- pcie_capability_clear_word(dev, PCI_EXP_DEVCTL2,
- PCI_EXP_DEVCTL2_OBFF_WAKE_EN);
-}
-EXPORT_SYMBOL(pci_disable_obff);
-
-/**
- * pci_ltr_supported - check whether a device supports LTR
- * @dev: PCI device
- *
- * RETURNS:
- * True if @dev supports latency tolerance reporting, false otherwise.
- */
-static bool pci_ltr_supported(struct pci_dev *dev)
-{
- u32 cap;
-
- pcie_capability_read_dword(dev, PCI_EXP_DEVCAP2, &cap);
-
- return cap & PCI_EXP_DEVCAP2_LTR;
-}
-
-/**
- * pci_enable_ltr - enable latency tolerance reporting
- * @dev: PCI device
- *
- * Enable LTR on @dev if possible, which means enabling it first on
- * upstream ports.
- *
- * RETURNS:
- * Zero on success, errno on failure.
- */
-int pci_enable_ltr(struct pci_dev *dev)
-{
- int ret;
-
- /* Only primary function can enable/disable LTR */
- if (PCI_FUNC(dev->devfn) != 0)
- return -EINVAL;
-
- if (!pci_ltr_supported(dev))
- return -ENOTSUPP;
-
- /* Enable upstream ports first */
- if (dev->bus->self) {
- ret = pci_enable_ltr(dev->bus->self);
- if (ret)
- return ret;
- }
-
- return pcie_capability_set_word(dev, PCI_EXP_DEVCTL2,
- PCI_EXP_DEVCTL2_LTR_EN);
-}
-EXPORT_SYMBOL(pci_enable_ltr);
-
-/**
- * pci_disable_ltr - disable latency tolerance reporting
- * @dev: PCI device
- */
-void pci_disable_ltr(struct pci_dev *dev)
-{
- /* Only primary function can enable/disable LTR */
- if (PCI_FUNC(dev->devfn) != 0)
- return;
-
- if (!pci_ltr_supported(dev))
- return;
-
- pcie_capability_clear_word(dev, PCI_EXP_DEVCTL2,
- PCI_EXP_DEVCTL2_LTR_EN);
-}
-EXPORT_SYMBOL(pci_disable_ltr);
-
-static int __pci_ltr_scale(int *val)
-{
- int scale = 0;
-
- while (*val > 1023) {
- *val = (*val + 31) / 32;
- scale++;
- }
- return scale;
-}
-
-/**
- * pci_set_ltr - set LTR latency values
- * @dev: PCI device
- * @snoop_lat_ns: snoop latency in nanoseconds
- * @nosnoop_lat_ns: nosnoop latency in nanoseconds
- *
- * Figure out the scale and set the LTR values accordingly.
- */
-int pci_set_ltr(struct pci_dev *dev, int snoop_lat_ns, int nosnoop_lat_ns)
-{
- int pos, ret, snoop_scale, nosnoop_scale;
- u16 val;
-
- if (!pci_ltr_supported(dev))
- return -ENOTSUPP;
-
- snoop_scale = __pci_ltr_scale(&snoop_lat_ns);
- nosnoop_scale = __pci_ltr_scale(&nosnoop_lat_ns);
-
- if (snoop_lat_ns > PCI_LTR_VALUE_MASK ||
- nosnoop_lat_ns > PCI_LTR_VALUE_MASK)
- return -EINVAL;
-
- if ((snoop_scale > (PCI_LTR_SCALE_MASK >> PCI_LTR_SCALE_SHIFT)) ||
- (nosnoop_scale > (PCI_LTR_SCALE_MASK >> PCI_LTR_SCALE_SHIFT)))
- return -EINVAL;
-
- pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_LTR);
- if (!pos)
- return -ENOTSUPP;
-
- val = (snoop_scale << PCI_LTR_SCALE_SHIFT) | snoop_lat_ns;
- ret = pci_write_config_word(dev, pos + PCI_LTR_MAX_SNOOP_LAT, val);
- if (ret != 4)
- return -EIO;
-
- val = (nosnoop_scale << PCI_LTR_SCALE_SHIFT) | nosnoop_lat_ns;
- ret = pci_write_config_word(dev, pos + PCI_LTR_MAX_NOSNOOP_LAT, val);
- if (ret != 4)
- return -EIO;
-
- return 0;
-}
-EXPORT_SYMBOL(pci_set_ltr);
-
static int pci_acs_enable;
/**
@@ -4482,7 +4247,6 @@ EXPORT_SYMBOL(pci_restore_state);
EXPORT_SYMBOL(pci_pme_capable);
EXPORT_SYMBOL(pci_pme_active);
EXPORT_SYMBOL(pci_wake_from_d3);
-EXPORT_SYMBOL(pci_target_state);
EXPORT_SYMBOL(pci_prepare_to_sleep);
EXPORT_SYMBOL(pci_back_from_sleep);
EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 9c91ecc..4df38df 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -6,7 +6,6 @@
#define PCI_CFG_SPACE_SIZE 256
#define PCI_CFG_SPACE_EXP_SIZE 4096
-extern const unsigned char pcix_bus_speed[];
extern const unsigned char pcie_link_speed[];
/* Functions internal to the PCI core code */
@@ -68,7 +67,6 @@ void pci_power_up(struct pci_dev *dev);
void pci_disable_enabled_device(struct pci_dev *dev);
int pci_finish_runtime_suspend(struct pci_dev *dev);
int __pci_pme_wakeup(struct pci_dev *dev, void *ign);
-void pci_wakeup_bus(struct pci_bus *bus);
void pci_config_pm_runtime_get(struct pci_dev *dev);
void pci_config_pm_runtime_put(struct pci_dev *dev);
void pci_pm_init(struct pci_dev *dev);
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index f1272dc..e1e7026 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -984,18 +984,6 @@ void pcie_no_aspm(void)
}
}
-/**
- * pcie_aspm_enabled - is PCIe ASPM enabled?
- *
- * Returns true if ASPM has not been disabled by the command-line option
- * pcie_aspm=off.
- **/
-int pcie_aspm_enabled(void)
-{
- return !aspm_disabled;
-}
-EXPORT_SYMBOL(pcie_aspm_enabled);
-
bool pcie_aspm_support_enabled(void)
{
return aspm_support_enabled;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 23cdfac..c86c863 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -16,7 +16,7 @@
#define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */
#define CARDBUS_RESERVE_BUSNR 3
-struct resource busn_resource = {
+static struct resource busn_resource = {
.name = "PCI busn",
.start = 0,
.end = 255,
@@ -518,7 +518,7 @@ static struct pci_host_bridge *pci_alloc_host_bridge(struct pci_bus *b)
return bridge;
}
-const unsigned char pcix_bus_speed[] = {
+static const unsigned char pcix_bus_speed[] = {
PCI_SPEED_UNKNOWN, /* 0 */
PCI_SPEED_66MHz_PCIX, /* 1 */
PCI_SPEED_100MHz_PCIX, /* 2 */
@@ -999,6 +999,60 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev)
pdev->is_hotplug_bridge = 1;
}
+
+/**
+ * pci_cfg_space_size - get the configuration space size of the PCI device.
+ * @dev: PCI device
+ *
+ * Regular PCI devices have 256 bytes, but PCI-X 2 and PCI Express devices
+ * have 4096 bytes. Even if the device is capable, that doesn't mean we can
+ * access it. Maybe we don't have a way to generate extended config space
+ * accesses, or the device is behind a reverse Express bridge. So we try
+ * reading the dword at 0x100 which must either be 0 or a valid extended
+ * capability header.
+ */
+static int pci_cfg_space_size_ext(struct pci_dev *dev)
+{
+ u32 status;
+ int pos = PCI_CFG_SPACE_SIZE;
+
+ if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
+ goto fail;
+ if (status == 0xffffffff)
+ goto fail;
+
+ return PCI_CFG_SPACE_EXP_SIZE;
+
+ fail:
+ return PCI_CFG_SPACE_SIZE;
+}
+
+int pci_cfg_space_size(struct pci_dev *dev)
+{
+ int pos;
+ u32 status;
+ u16 class;
+
+ class = dev->class >> 8;
+ if (class == PCI_CLASS_BRIDGE_HOST)
+ return pci_cfg_space_size_ext(dev);
+
+ if (!pci_is_pcie(dev)) {
+ pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
+ if (!pos)
+ goto fail;
+
+ pci_read_config_dword(dev, pos + PCI_X_STATUS, &status);
+ if (!(status & (PCI_X_STATUS_266MHZ | PCI_X_STATUS_533MHZ)))
+ goto fail;
+ }
+
+ return pci_cfg_space_size_ext(dev);
+
+ fail:
+ return PCI_CFG_SPACE_SIZE;
+}
+
#define LEGACY_IO_RESOURCE (IORESOURCE_IO | IORESOURCE_PCI_FIXED)
/**
@@ -1190,59 +1244,6 @@ static void pci_release_dev(struct device *dev)
kfree(pci_dev);
}
-/**
- * pci_cfg_space_size - get the configuration space size of the PCI device.
- * @dev: PCI device
- *
- * Regular PCI devices have 256 bytes, but PCI-X 2 and PCI Express devices
- * have 4096 bytes. Even if the device is capable, that doesn't mean we can
- * access it. Maybe we don't have a way to generate extended config space
- * accesses, or the device is behind a reverse Express bridge. So we try
- * reading the dword at 0x100 which must either be 0 or a valid extended
- * capability header.
- */
-int pci_cfg_space_size_ext(struct pci_dev *dev)
-{
- u32 status;
- int pos = PCI_CFG_SPACE_SIZE;
-
- if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
- goto fail;
- if (status == 0xffffffff)
- goto fail;
-
- return PCI_CFG_SPACE_EXP_SIZE;
-
- fail:
- return PCI_CFG_SPACE_SIZE;
-}
-
-int pci_cfg_space_size(struct pci_dev *dev)
-{
- int pos;
- u32 status;
- u16 class;
-
- class = dev->class >> 8;
- if (class == PCI_CLASS_BRIDGE_HOST)
- return pci_cfg_space_size_ext(dev);
-
- if (!pci_is_pcie(dev)) {
- pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
- if (!pos)
- goto fail;
-
- pci_read_config_dword(dev, pos + PCI_X_STATUS, &status);
- if (!(status & (PCI_X_STATUS_266MHZ | PCI_X_STATUS_533MHZ)))
- goto fail;
- }
-
- return pci_cfg_space_size_ext(dev);
-
- fail:
- return PCI_CFG_SPACE_SIZE;
-}
-
struct pci_dev *pci_alloc_dev(struct pci_bus *bus)
{
struct pci_dev *dev;
@@ -1259,12 +1260,6 @@ struct pci_dev *pci_alloc_dev(struct pci_bus *bus)
}
EXPORT_SYMBOL(pci_alloc_dev);
-struct pci_dev *alloc_pci_dev(void)
-{
- return pci_alloc_dev(NULL);
-}
-EXPORT_SYMBOL(alloc_pci_dev);
-
bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
int crs_timeout)
{
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 448ca56..7dd62fa 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -320,32 +320,6 @@ err:
EXPORT_SYMBOL_GPL(pci_create_slot);
/**
- * pci_renumber_slot - update %struct pci_slot -> number
- * @slot: &struct pci_slot to update
- * @slot_nr: new number for slot
- *
- * The primary purpose of this interface is to allow callers who earlier
- * created a placeholder slot in pci_create_slot() by passing a -1 as
- * slot_nr, to update their %struct pci_slot with the correct @slot_nr.
- */
-void pci_renumber_slot(struct pci_slot *slot, int slot_nr)
-{
- struct pci_slot *tmp;
-
- down_write(&pci_bus_sem);
-
- list_for_each_entry(tmp, &slot->bus->slots, list) {
- WARN_ON(tmp->number == slot_nr);
- goto out;
- }
-
- slot->number = slot_nr;
-out:
- up_write(&pci_bus_sem);
-}
-EXPORT_SYMBOL_GPL(pci_renumber_slot);
-
-/**
* pci_destroy_slot - decrement refcount for physical PCI slot
* @slot: struct pci_slot to decrement
*
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