PCI: Fix whitespace, capitalization, and spelling errors

Fix whitespace, capitalization, and spelling errors. No functional change. I know "busses" is not an error, but "buses" was more common, so I used it consistently. Signed-off-by: Marta Rybczynska <rybczynska@gmail.com> (pci_reset_bridge_secondary_bus()) Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
author: Bjorn Helgaas <bhelgaas@google.com> 2013-11-14 13:28:18 -0500
committer: Bjorn Helgaas <bhelgaas@google.com> 2013-11-14 13:28:18 -0500
commit: f7625980f5820edd1a73536e1a03bcbc1f889fec (patch)
tree: 145e76f39b3e1d08d3e7a48a0993c0cd59088cc6
parent: 4fbf888accb39af423f271111d44e8186f053723 (diff)
65 files changed, 518 insertions, 520 deletions
diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 95655d7c0d0b..e52d7ffa38b9 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -410,7 +410,7 @@ EXPORT_SYMBOL_GPL(pci_disable_pasid);
 * Otherwise is returns a bitmask with supported features. Current
 * features reported are:
 * PCI_PASID_CAP_EXEC - Execute permission supported
- * PCI_PASID_CAP_PRIV - Priviledged mode supported
+ * PCI_PASID_CAP_PRIV - Privileged mode supported
 */
 int pci_pasid_features(struct pci_dev *pdev)
 {
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 7c4f38dd42ba..0afbbbc55c81 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -249,7 +249,7 @@ struct tegra_pcie {
        void __iomem *afi;
        int irq;
-        struct list_head busses;
+        struct list_head buses;
        struct resource *cs;
        struct resource io;
@@ -399,14 +399,14 @@ free:
 /*
 * Look up a virtual address mapping for the specified bus number. If no such
- * mapping existis, try to create one.
+ * mapping exists, try to create one.
 */
 static void __iomem *tegra_pcie_bus_map(struct tegra_pcie *pcie,
                                        unsigned int busnr)
 {
        struct tegra_pcie_bus *bus;
-        list_for_each_entry(bus, &pcie->busses, list)
+        list_for_each_entry(bus, &pcie->buses, list)
                if (bus->nr == busnr)
                        return (void __iomem *)bus->area->addr;
@@ -414,7 +414,7 @@ static void __iomem *tegra_pcie_bus_map(struct tegra_pcie *pcie,
        if (IS_ERR(bus))
                return NULL;
-        list_add_tail(&bus->list, &pcie->busses);
+        list_add_tail(&bus->list, &pcie->buses);
        return (void __iomem *)bus->area->addr;
 }
@@ -808,7 +808,7 @@ static int tegra_pcie_enable_controller(struct tegra_pcie *pcie)
        value &= ~AFI_FUSE_PCIE_T0_GEN2_DIS;
        afi_writel(pcie, value, AFI_FUSE);
-        /* initialze internal PHY, enable up to 16 PCIE lanes */
+        /* initialize internal PHY, enable up to 16 PCIE lanes */
        pads_writel(pcie, 0x0, PADS_CTL_SEL);
        /* override IDDQ to 1 on all 4 lanes */
@@ -1624,7 +1624,7 @@ static int tegra_pcie_probe(struct platform_device *pdev)
        if (!pcie)
                return -ENOMEM;
-        INIT_LIST_HEAD(&pcie->busses);
+        INIT_LIST_HEAD(&pcie->buses);
        INIT_LIST_HEAD(&pcie->ports);
        pcie->soc_data = match->data;
        pcie->dev = &pdev->dev;
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 1e1fea4d959b..e33b68be0391 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -197,7 +197,7 @@ static int find_valid_pos0(struct pcie_port *pp, int msgvec, int pos, int *pos0)
                        return -ENOSPC;
                /*
                 * Check if this position is at correct offset.nvec is always a
-                 * power of two. pos0 must be nvec bit alligned.
+                 * power of two. pos0 must be nvec bit aligned.
                 */
                if (pos % msgvec)
                        pos += msgvec - (pos % msgvec);
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 0a648af89531..df8caec59789 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -133,8 +133,8 @@ config HOTPLUG_PCI_RPA_DLPAR
          To compile this driver as a module, choose M here: the
          module will be called rpadlpar_io.
- 
-          When in doubt, say N.
+          When in doubt, say N.
 config HOTPLUG_PCI_SGI
        tristate "SGI PCI Hotplug Support"
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index 47ec8c80e16d..3e6532b945c1 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -31,7 +31,7 @@ pci_hotplug-objs	+=	cpci_hotplug_core.o	\
                                cpci_hotplug_pci.o
 endif
 ifdef CONFIG_ACPI
-pci_hotplug-objs        +=      acpi_pcihp.o
+pci_hotplug-objs        +=      acpi_pcihp.o
 endif
 cpqphp-objs             :=      cpqphp_core.o   \
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index 8650d39db392..dca66bc44578 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -111,7 +111,7 @@ int acpiphp_register_attention(struct acpiphp_attention_info *info)
 * @info: must match the pointer used to register
 *
 * Description: This is used to un-register a hardware specific acpi
- * driver that manipulates the attention LED.  The pointer to the 
+ * driver that manipulates the attention LED.  The pointer to the
 * info struct must be the same as the one used to set it.
 */
 int acpiphp_unregister_attention(struct acpiphp_attention_info *info)
@@ -169,8 +169,8 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 * was registered with us.  This allows hardware specific
 * ACPI implementations to blink the light for us.
 */
- static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
+static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
- {
+{
        int retval = -ENODEV;
        pr_debug("%s - physical_slot = %s\n", __func__,
@@ -182,8 +182,8 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
        } else
                attention_info = NULL;
        return retval;
- }
+}
- 
 /**
 * get_power_status - get power status of a slot
@@ -323,7 +323,7 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot,
        if (retval) {
                pr_err("pci_hp_register failed with error %d\n", retval);
                goto error_hpslot;
-        }
+        }
        pr_info("Slot [%s] registered\n", slot_name(slot));
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 5b4e9eb0e8ff..1cf605f67673 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -325,7 +325,7 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data,
        list_add_tail(&slot->node, &bridge->slots);
-        /* Register slots for ejectable funtions only. */
+        /* Register slots for ejectable functions only. */
        if (acpi_pci_check_ejectable(pbus, handle)  || is_dock_device(handle)) {
                unsigned long long sun;
                int retval;
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 0d64c414bf78..ecfac7e72d91 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -116,7 +116,7 @@ static struct bin_attribute ibm_apci_table_attr = {
            .read = ibm_read_apci_table,
            .write = NULL,
 };
-static struct acpiphp_attention_info ibm_attention_info = 
+static struct acpiphp_attention_info ibm_attention_info =
 {
        .set_attn = ibm_set_attention_status,
        .get_attn = ibm_get_attention_status,
@@ -171,9 +171,9 @@ ibm_slot_done:
 */
 static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
 {
-        union acpi_object args[2]; 
+        union acpi_object args[2];
        struct acpi_object_list params = { .pointer = args, .count = 2 };
-        acpi_status stat; 
+        acpi_status stat;
        unsigned long long rc;
        union apci_descriptor *ibm_slot;
@@ -208,7 +208,7 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
 *
 * Description: This method is registered with the acpiphp module as a
 * callback to do the device specific task of getting the LED status.
- * 
+ *
 * Because there is no direct method of getting the LED status directly
 * from an ACPI call, we read the aPCI table and parse out our
 * slot descriptor to read the status from that.
@@ -259,7 +259,7 @@ static void ibm_handle_events(acpi_handle handle, u32 event, void *context)
        pr_debug("%s: Received notification %02x\n", __func__, event);
        if (subevent == 0x80) {
-                pr_debug("%s: generationg bus event\n", __func__);
+                pr_debug("%s: generating bus event\n", __func__);
                acpi_bus_generate_netlink_event(note->device->pnp.device_class,
                                                  dev_name(&note->device->dev),
                                                  note->event, detail);
@@ -387,7 +387,7 @@ static acpi_status __init ibm_find_acpi_device(acpi_handle handle,
                u32 lvl, void *context, void **rv)
 {
        acpi_handle *phandle = (acpi_handle *)context;
-        acpi_status status; 
+        acpi_status status;
        struct acpi_device_info *info;
        int retval = 0;
@@ -405,7 +405,7 @@ static acpi_status __init ibm_find_acpi_device(acpi_handle handle,
                        info->hardware_id.string, handle);
                *phandle = handle;
                /* returning non-zero causes the search to stop
-                 * and returns this value to the caller of 
+                 * and returns this value to the caller of
                 * acpi_walk_namespace, but it also causes some warnings
                 * in the acpi debug code to print...
                 */
diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index 2b4c412f94c3..00c81a3cefc9 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -46,7 +46,7 @@
        do {                                                    \
                if (cpci_debug)                                 \
                        printk (KERN_DEBUG "%s: " format "\n",  \
-                                MY_NAME , ## arg);              \
+                                MY_NAME , ## arg);              \
        } while (0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index d8add34177f2..d3add9819f63 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -39,7 +39,7 @@ extern int cpci_debug;
        do {                                                    \
                if (cpci_debug)                                 \
                        printk (KERN_DEBUG "%s: " format "\n",  \
-                                MY_NAME , ## arg);              \
+                                MY_NAME , ## arg);              \
        } while (0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c
index a6a71c41cdf8..7536eef620b0 100644
--- a/drivers/pci/hotplug/cpcihp_generic.c
+++ b/drivers/pci/hotplug/cpcihp_generic.c
@@ -13,14 +13,14 @@
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the GNU General Public License along
@@ -53,9 +53,9 @@
 #define dbg(format, arg...)                                     \
        do {                                                    \
-                if(debug)                                       \
+                if (debug)                                      \
                        printk (KERN_DEBUG "%s: " format "\n",  \
-                                MY_NAME , ## arg);              \
+                                MY_NAME , ## arg);              \
        } while(0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c
index 449b4bbc8301..e8c4a7ccf578 100644
--- a/drivers/pci/hotplug/cpcihp_zt5550.c
+++ b/drivers/pci/hotplug/cpcihp_zt5550.c
@@ -13,14 +13,14 @@
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the GNU General Public License along
@@ -48,9 +48,9 @@
 #define dbg(format, arg...)                                     \
        do {                                                    \
-                if(debug)                                       \
+                if (debug)                                      \
                        printk (KERN_DEBUG "%s: " format "\n",  \
-                                MY_NAME , ## arg);              \
+                                MY_NAME , ## arg);              \
        } while(0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
@@ -285,7 +285,7 @@ static struct pci_device_id zt5550_hc_pci_tbl[] = {
        { 0, }
 };
 MODULE_DEVICE_TABLE(pci, zt5550_hc_pci_tbl);
-        
 static struct pci_driver zt5550_hc_driver = {
        .name           = "zt5550_hc",
        .id_table       = zt5550_hc_pci_tbl,
diff --git a/drivers/pci/hotplug/cpcihp_zt5550.h b/drivers/pci/hotplug/cpcihp_zt5550.h
index bebc6060a558..9a57fda5348c 100644
--- a/drivers/pci/hotplug/cpcihp_zt5550.h
+++ b/drivers/pci/hotplug/cpcihp_zt5550.h
@@ -13,14 +13,14 @@
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the GNU General Public License along
@@ -55,7 +55,7 @@
 #define HC_CMD_REG              0x0C
 #define ARB_CONFIG_GNT_REG      0x10
 #define ARB_CONFIG_CFG_REG      0x12
-#define ARB_CONFIG_REG          0x10
+#define ARB_CONFIG_REG          0x10
 #define ISOL_CONFIG_REG         0x18
 #define FAULT_STATUS_REG        0x20
 #define FAULT_CONFIG_REG        0x24
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index c8eaeb43fa5d..31273e155e6c 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -862,10 +862,10 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                goto err_disable_device;
        }
-        /* Check for the proper subsystem ID's
+        /* Check for the proper subsystem IDs
         * Intel uses a different SSID programming model than Compaq.
         * For Intel, each SSID bit identifies a PHP capability.
-         * Also Intel HPC's may have RID=0.
+         * Also Intel HPCs may have RID=0.
         */
        if ((pdev->revision <= 2) && (vendor_id != PCI_VENDOR_ID_INTEL)) {
                err(msg_HPC_not_supported);
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
index d282019cda5f..11845b796799 100644
--- a/drivers/pci/hotplug/cpqphp_ctrl.c
+++ b/drivers/pci/hotplug/cpqphp_ctrl.c
@@ -1231,7 +1231,7 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_
        /* Only if mode change...*/
        if (((bus->cur_bus_speed == PCI_SPEED_66MHz) && (adapter_speed == PCI_SPEED_66MHz_PCIX)) ||
-                ((bus->cur_bus_speed == PCI_SPEED_66MHz_PCIX) && (adapter_speed == PCI_SPEED_66MHz))) 
+                ((bus->cur_bus_speed == PCI_SPEED_66MHz_PCIX) && (adapter_speed == PCI_SPEED_66MHz)))
                        set_SOGO(ctrl);
        wait_for_ctrl_irq(ctrl);
@@ -1828,7 +1828,7 @@ static void interrupt_event_handler(struct controller *ctrl)
                                if (ctrl->event_queue[loop].event_type == INT_BUTTON_PRESS) {
                                        dbg("button pressed\n");
-                                } else if (ctrl->event_queue[loop].event_type == 
+                                } else if (ctrl->event_queue[loop].event_type ==
                                           INT_BUTTON_CANCEL) {
                                        dbg("button cancel\n");
                                        del_timer(&p_slot->task_event);
@@ -2411,11 +2411,11 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
                if (rc)
                        return rc;
-                /* find range of busses to use */
+                /* find range of buses to use */
                dbg("find ranges of buses to use\n");
                bus_node = get_max_resource(&(resources->bus_head), 1);
-                /* If we don't have any busses to allocate, we can't continue */
+                /* If we don't have any buses to allocate, we can't continue */
                if (!bus_node)
                        return -ENOMEM;
@@ -2900,7 +2900,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
                        /* If this function needs an interrupt and we are behind
                         * a bridge and the pin is tied to something that's
-                         * alread mapped, set this one the same */
+                         * already mapped, set this one the same */
                        if (temp_byte && resources->irqs &&
                            (resources->irqs->valid_INT &
                             (0x01 << ((temp_byte + resources->irqs->barber_pole - 1) & 0x03)))) {
diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c
index 09801c6945ce..6e4a12c91adb 100644
--- a/drivers/pci/hotplug/cpqphp_pci.c
+++ b/drivers/pci/hotplug/cpqphp_pci.c
@@ -291,7 +291,7 @@ int cpqhp_get_bus_dev (struct controller *ctrl, u8 * bus_num, u8 * dev_num, u8 s
 *
 * Reads configuration for all slots in a PCI bus and saves info.
 *
- * Note:  For non-hot plug busses, the slot # saved is the device #
+ * Note:  For non-hot plug buses, the slot # saved is the device #
 *
 * returns 0 if success
 */
@@ -455,7 +455,7 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
 * cpqhp_save_slot_config
 *
 * Saves configuration info for all PCI devices in a given slot
- * including subordinate busses.
+ * including subordinate buses.
 *
 * returns 0 if success
 */
@@ -1556,4 +1556,3 @@ void cpqhp_destroy_board_resources (struct pci_func * func)
                kfree(tres);
        }
 }
diff --git a/drivers/pci/hotplug/ibmphp.h b/drivers/pci/hotplug/ibmphp.h
index 8c5b25871d02..e3e46a7b3ee7 100644
--- a/drivers/pci/hotplug/ibmphp.h
+++ b/drivers/pci/hotplug/ibmphp.h
@@ -59,7 +59,7 @@ extern int ibmphp_debug;
 /************************************************************
-*  RESOURE TYPE                                             *
+*  RESOURCE TYPE                                             *
 ************************************************************/
 #define EBDA_RSRC_TYPE_MASK             0x03
@@ -103,7 +103,7 @@ extern int ibmphp_debug;
 //--------------------------------------------------------------
 struct rio_table_hdr {
-        u8 ver_num; 
+        u8 ver_num;
        u8 scal_count;
        u8 riodev_count;
        u16 offset;
@@ -127,7 +127,7 @@ struct scal_detail {
 };
 //--------------------------------------------------------------
-// RIO DETAIL 
+// RIO DETAIL
 //--------------------------------------------------------------
 struct rio_detail {
@@ -152,7 +152,7 @@ struct opt_rio {
        u8 first_slot_num;
        u8 middle_num;
        struct list_head opt_rio_list;
-};      
+};
 struct opt_rio_lo {
        u8 rio_type;
@@ -161,7 +161,7 @@ struct opt_rio_lo {
        u8 middle_num;
        u8 pack_count;
        struct list_head opt_rio_lo_list;
-};      
+};
 /****************************************************************
 *  HPC DESCRIPTOR NODE                                          *
@@ -574,7 +574,7 @@ void ibmphp_hpc_stop_poll_thread(void);
 #define HPC_CTLR_IRQ_PENDG      0x80
 //----------------------------------------------------------------------------
-// HPC_CTLR_WROKING status return codes
+// HPC_CTLR_WORKING status return codes
 //----------------------------------------------------------------------------
 #define HPC_CTLR_WORKING_NO     0x00
 #define HPC_CTLR_WORKING_YES    0x01
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c
index cbd72d81d253..efdc13adbe41 100644
--- a/drivers/pci/hotplug/ibmphp_core.c
+++ b/drivers/pci/hotplug/ibmphp_core.c
@@ -58,7 +58,7 @@ MODULE_DESCRIPTION (DRIVER_DESC);
 struct pci_bus *ibmphp_pci_bus;
 static int max_slots;
-static int irqs[16];    /* PIC mode IRQ's we're using so far (in case MPS
+static int irqs[16];    /* PIC mode IRQs we're using so far (in case MPS
                         * tables don't provide default info for empty slots */
 static int init_flag;
@@ -71,20 +71,20 @@ static inline int get_max_adapter_speed (struct hotplug_slot *hs, u8 *value)
        return get_max_adapter_speed_1 (hs, value, 1);
 }
 */
-static inline int get_cur_bus_info(struct slot **sl) 
+static inline int get_cur_bus_info(struct slot **sl)
 {
        int rc = 1;
        struct slot * slot_cur = *sl;
        debug("options = %x\n", slot_cur->ctrl->options);
-        debug("revision = %x\n", slot_cur->ctrl->revision);     
+        debug("revision = %x\n", slot_cur->ctrl->revision);
-        if (READ_BUS_STATUS(slot_cur->ctrl)) 
+        if (READ_BUS_STATUS(slot_cur->ctrl))
                rc = ibmphp_hpc_readslot(slot_cur, READ_BUSSTATUS, NULL);
-        
-        if (rc) 
+        if (rc)
                return rc;
-          
        slot_cur->bus_on->current_speed = CURRENT_BUS_SPEED(slot_cur->busstatus);
        if (READ_BUS_MODE(slot_cur->ctrl))
                slot_cur->bus_on->current_bus_mode =
@@ -96,7 +96,7 @@ static inline int get_cur_bus_info(struct slot **sl)
                        slot_cur->busstatus,
                        slot_cur->bus_on->current_speed,
                        slot_cur->bus_on->current_bus_mode);
-        
        *sl = slot_cur;
        return 0;
 }
@@ -104,8 +104,8 @@ static inline int get_cur_bus_info(struct slot **sl)
 static inline int slot_update(struct slot **sl)
 {
        int rc;
-        rc = ibmphp_hpc_readslot(*sl, READ_ALLSTAT, NULL);
+        rc = ibmphp_hpc_readslot(*sl, READ_ALLSTAT, NULL);
-        if (rc) 
+        if (rc)
                return rc;
        if (!init_flag)
                rc = get_cur_bus_info(sl);
@@ -172,7 +172,7 @@ int ibmphp_init_devno(struct slot **cur_slot)
                        debug("(*cur_slot)->irq[3] = %x\n",
                                        (*cur_slot)->irq[3]);
-                        debug("rtable->exlusive_irqs = %x\n",
+                        debug("rtable->exclusive_irqs = %x\n",
                                        rtable->exclusive_irqs);
                        debug("rtable->slots[loop].irq[0].bitmap = %x\n",
                                        rtable->slots[loop].irq[0].bitmap);
@@ -271,7 +271,7 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 value)
                        else
                                rc = -ENODEV;
                }
-        } else  
+        } else
                rc = -ENODEV;
        ibmphp_unlock_operations();
@@ -288,7 +288,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 * value)
        debug("get_attention_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
                                        (ulong) hotplug_slot, (ulong) value);
-        
        ibmphp_lock_operations();
        if (hotplug_slot) {
                pslot = hotplug_slot->private;
@@ -406,14 +406,14 @@ static int get_max_bus_speed(struct slot *slot)
        ibmphp_lock_operations();
        mode = slot->supported_bus_mode;
-        speed = slot->supported_speed; 
+        speed = slot->supported_speed;
        ibmphp_unlock_operations();
        switch (speed) {
        case BUS_SPEED_33:
                break;
        case BUS_SPEED_66:
-                if (mode == BUS_MODE_PCIX) 
+                if (mode == BUS_MODE_PCIX)
                        speed += 0x01;
                break;
        case BUS_SPEED_100:
@@ -515,13 +515,13 @@ static int __init init_ops(void)
                debug("BEFORE GETTING SLOT STATUS, slot # %x\n",
                                                        slot_cur->number);
-                if (slot_cur->ctrl->revision == 0xFF) 
+                if (slot_cur->ctrl->revision == 0xFF)
                        if (get_ctrl_revision(slot_cur,
                                                &slot_cur->ctrl->revision))
                                return -1;
-                if (slot_cur->bus_on->current_speed == 0xFF) 
+                if (slot_cur->bus_on->current_speed == 0xFF)
-                        if (get_cur_bus_info(&slot_cur)) 
+                        if (get_cur_bus_info(&slot_cur))
                                return -1;
                get_max_bus_speed(slot_cur);
@@ -539,8 +539,8 @@ static int __init init_ops(void)
                debug("SLOT_PRESENT = %x\n", SLOT_PRESENT(slot_cur->status));
                debug("SLOT_LATCH = %x\n", SLOT_LATCH(slot_cur->status));
-                if ((SLOT_PWRGD(slot_cur->status)) && 
+                if ((SLOT_PWRGD(slot_cur->status)) &&
-                    !(SLOT_PRESENT(slot_cur->status)) && 
+                    !(SLOT_PRESENT(slot_cur->status)) &&
                    !(SLOT_LATCH(slot_cur->status))) {
                        debug("BEFORE POWER OFF COMMAND\n");
                                rc = power_off(slot_cur);
@@ -581,13 +581,13 @@ static int validate(struct slot *slot_cur, int opn)
        switch (opn) {
                case ENABLE:
-                        if (!(SLOT_PWRGD(slot_cur->status)) && 
+                        if (!(SLOT_PWRGD(slot_cur->status)) &&
-                             (SLOT_PRESENT(slot_cur->status)) && 
+                             (SLOT_PRESENT(slot_cur->status)) &&
                             !(SLOT_LATCH(slot_cur->status)))
                                return 0;
                        break;
                case DISABLE:
-                        if ((SLOT_PWRGD(slot_cur->status)) && 
+                        if ((SLOT_PWRGD(slot_cur->status)) &&
                            (SLOT_PRESENT(slot_cur->status)) &&
                            !(SLOT_LATCH(slot_cur->status)))
                                return 0;
@@ -617,7 +617,7 @@ int ibmphp_update_slot_info(struct slot *slot_cur)
                err("out of system memory\n");
                return -ENOMEM;
        }
-        
        info->power_status = SLOT_PWRGD(slot_cur->status);
        info->attention_status = SLOT_ATTN(slot_cur->status,
                                                slot_cur->ext_status);
@@ -638,7 +638,7 @@ int ibmphp_update_slot_info(struct slot *slot_cur)
                case BUS_SPEED_33:
                        break;
                case BUS_SPEED_66:
-                        if (mode == BUS_MODE_PCIX) 
+                        if (mode == BUS_MODE_PCIX)
                                bus_speed += 0x01;
                        else if (mode == BUS_MODE_PCI)
                                ;
@@ -654,8 +654,8 @@ int ibmphp_update_slot_info(struct slot *slot_cur)
        }
        bus->cur_bus_speed = bus_speed;
-        // To do: bus_names 
+        // To do: bus_names
-        
        rc = pci_hp_change_slot_info(slot_cur->hotplug_slot, info);
        kfree(info);
        return rc;
@@ -729,8 +729,8 @@ static void ibm_unconfigure_device(struct pci_func *func)
 }
 /*
- * The following function is to fix kernel bug regarding 
+ * The following function is to fix kernel bug regarding
- * getting bus entries, here we manually add those primary 
+ * getting bus entries, here we manually add those primary
 * bus entries to kernel bus structure whenever apply
 */
 static u8 bus_structure_fixup(u8 busno)
@@ -814,7 +814,7 @@ static int ibm_configure_device(struct pci_func *func)
 }
 /*******************************************************
- * Returns whether the bus is empty or not 
+ * Returns whether the bus is empty or not
 *******************************************************/
 static int is_bus_empty(struct slot * slot_cur)
 {
@@ -842,7 +842,7 @@ static int is_bus_empty(struct slot * slot_cur)
 }
 /***********************************************************
- * If the HPC permits and the bus currently empty, tries to set the 
+ * If the HPC permits and the bus currently empty, tries to set the
 * bus speed and mode at the maximum card and bus capability
 * Parameters: slot
 * Returns: bus is set (0) or error code
@@ -856,7 +856,7 @@ static int set_bus(struct slot * slot_cur)
        static struct pci_device_id ciobx[] = {
                { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, 0x0101) },
                { },
-        };      
+        };
        debug("%s - entry slot # %d\n", __func__, slot_cur->number);
        if (SET_BUS_STATUS(slot_cur->ctrl) && is_bus_empty(slot_cur)) {
@@ -877,7 +877,7 @@ static int set_bus(struct slot * slot_cur)
                                else if (!SLOT_BUS_MODE(slot_cur->ext_status))
                                        /* if max slot/bus capability is 66 pci
                                        and there's no bus mode mismatch, then
-                                        the adapter supports 66 pci */ 
+                                        the adapter supports 66 pci */
                                        cmd = HPC_BUS_66CONVMODE;
                                else
                                        cmd = HPC_BUS_33CONVMODE;
@@ -930,7 +930,7 @@ static int set_bus(struct slot * slot_cur)
                        return -EIO;
                }
        }
-        /* This is for x440, once Brandon fixes the firmware, 
+        /* This is for x440, once Brandon fixes the firmware,
        will not need this delay */
        msleep(1000);
        debug("%s -Exit\n", __func__);
@@ -938,9 +938,9 @@ static int set_bus(struct slot * slot_cur)
 }
 /* This routine checks the bus limitations that the slot is on from the BIOS.
- * This is used in deciding whether or not to power up the slot.  
+ * This is used in deciding whether or not to power up the slot.
 * (electrical/spec limitations. For example, >1 133 MHz or >2 66 PCI cards on
- * same bus) 
+ * same bus)
 * Parameters: slot
 * Returns: 0 = no limitations, -EINVAL = exceeded limitations on the bus
 */
@@ -986,7 +986,7 @@ static int check_limitations(struct slot *slot_cur)
 static inline void print_card_capability(struct slot *slot_cur)
 {
        info("capability of the card is ");
-        if ((slot_cur->ext_status & CARD_INFO) == PCIX133) 
+        if ((slot_cur->ext_status & CARD_INFO) == PCIX133)
                info("   133 MHz PCI-X\n");
        else if ((slot_cur->ext_status & CARD_INFO) == PCIX66)
                info("    66 MHz PCI-X\n");
@@ -1020,7 +1020,7 @@ static int enable_slot(struct hotplug_slot *hs)
        }
        attn_LED_blink(slot_cur);
-        
        rc = set_bus(slot_cur);
        if (rc) {
                err("was not able to set the bus\n");
@@ -1082,7 +1082,7 @@ static int enable_slot(struct hotplug_slot *hs)
        rc = slot_update(&slot_cur);
        if (rc)
                goto error_power;
-        
        rc = -EINVAL;
        if (SLOT_POWER(slot_cur->status) && !(SLOT_PWRGD(slot_cur->status))) {
                err("power fault occurred trying to power up...\n");
@@ -1093,7 +1093,7 @@ static int enable_slot(struct hotplug_slot *hs)
                                        "speed and card capability\n");
                print_card_capability(slot_cur);
                goto error_power;
-        } 
+        }
        /* Don't think this case will happen after above checks...
         * but just in case, for paranoia sake */
        if (!(SLOT_POWER(slot_cur->status))) {
@@ -1144,7 +1144,7 @@ static int enable_slot(struct hotplug_slot *hs)
        ibmphp_print_test();
        rc = ibmphp_update_slot_info(slot_cur);
 exit:
-        ibmphp_unlock_operations(); 
+        ibmphp_unlock_operations();
        return rc;
 error_nopower:
@@ -1180,7 +1180,7 @@ static int ibmphp_disable_slot(struct hotplug_slot *hotplug_slot)
 {
        struct slot *slot = hotplug_slot->private;
        int rc;
-        
        ibmphp_lock_operations();
        rc = ibmphp_do_disable_slot(slot);
        ibmphp_unlock_operations();
@@ -1192,12 +1192,12 @@ int ibmphp_do_disable_slot(struct slot *slot_cur)
        int rc;
        u8 flag;
-        debug("DISABLING SLOT...\n"); 
+        debug("DISABLING SLOT...\n");
-                
        if ((slot_cur == NULL) || (slot_cur->ctrl == NULL)) {
                return -ENODEV;
        }
-        
        flag = slot_cur->flag;
        slot_cur->flag = 1;
@@ -1210,7 +1210,7 @@ int ibmphp_do_disable_slot(struct slot *slot_cur)
        attn_LED_blink(slot_cur);
        if (slot_cur->func == NULL) {
-                /* We need this for fncs's that were there on bootup */
+                /* We need this for functions that were there on bootup */
                slot_cur->func = kzalloc(sizeof(struct pci_func), GFP_KERNEL);
                if (!slot_cur->func) {
                        err("out of system memory\n");
@@ -1222,12 +1222,13 @@ int ibmphp_do_disable_slot(struct slot *slot_cur)
        }
        ibm_unconfigure_device(slot_cur->func);
-        
-        /* If we got here from latch suddenly opening on operating card or 
+        /*
-        a power fault, there's no power to the card, so cannot
+         * If we got here from latch suddenly opening on operating card or
-        read from it to determine what resources it occupied.  This operation
+         * a power fault, there's no power to the card, so cannot
-        is forbidden anyhow.  The best we can do is remove it from kernel
+         * read from it to determine what resources it occupied.  This operation
-        lists at least */
+         * is forbidden anyhow.  The best we can do is remove it from kernel
+         * lists at least */
        if (!flag) {
                attn_off(slot_cur);
@@ -1264,7 +1265,7 @@ error:
                rc = -EFAULT;
                goto exit;
        }
-        if (flag)               
+        if (flag)
                ibmphp_update_slot_info(slot_cur);
        goto exit;
 }
@@ -1339,7 +1340,7 @@ static int __init ibmphp_init(void)
        debug("AFTER Resource & EBDA INITIALIZATIONS\n");
        max_slots = get_max_slots();
-        
        if ((rc = ibmphp_register_pci()))
                goto error;
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 9df78bc14541..bd044158b36c 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -123,7 +123,7 @@ static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc (void)
 static void __init print_bus_info (void)
 {
        struct bus_info *ptr;
-        
        list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
                debug ("%s - slot_min = %x\n", __func__, ptr->slot_min);
                debug ("%s - slot_max = %x\n", __func__, ptr->slot_max);
@@ -131,7 +131,7 @@ static void __init print_bus_info (void)
                debug ("%s - bus# = %x\n", __func__, ptr->busno);
                debug ("%s - current_speed = %x\n", __func__, ptr->current_speed);
                debug ("%s - controller_id = %x\n", __func__, ptr->controller_id);
-                
                debug ("%s - slots_at_33_conv = %x\n", __func__, ptr->slots_at_33_conv);
                debug ("%s - slots_at_66_conv = %x\n", __func__, ptr->slots_at_66_conv);
                debug ("%s - slots_at_66_pcix = %x\n", __func__, ptr->slots_at_66_pcix);
@@ -144,7 +144,7 @@ static void __init print_bus_info (void)
 static void print_lo_info (void)
 {
        struct rio_detail *ptr;
-        debug ("print_lo_info ----\n"); 
+        debug ("print_lo_info ----\n");
        list_for_each_entry(ptr, &rio_lo_head, rio_detail_list) {
                debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
                debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
@@ -176,7 +176,7 @@ static void __init print_ebda_pci_rsrc (void)
        struct ebda_pci_rsrc *ptr;
        list_for_each_entry(ptr, &ibmphp_ebda_pci_rsrc_head, ebda_pci_rsrc_list) {
-                debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n", 
+                debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
                        __func__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr);
        }
 }
@@ -259,7 +259,7 @@ int __init ibmphp_access_ebda (void)
        ebda_seg = readw (io_mem);
        iounmap (io_mem);
        debug ("returned ebda segment: %x\n", ebda_seg);
-        
        io_mem = ioremap(ebda_seg<<4, 1);
        if (!io_mem)
                return -ENOMEM;
@@ -310,7 +310,7 @@ int __init ibmphp_access_ebda (void)
                        re = readw (io_mem + sub_addr); /* next sub blk */
                        sub_addr += 2;
-                        rc_id = readw (io_mem + sub_addr);      /* sub blk id */
+                        rc_id = readw (io_mem + sub_addr);      /* sub blk id */
                        sub_addr += 2;
                        if (rc_id != 0x5243)
@@ -330,7 +330,7 @@ int __init ibmphp_access_ebda (void)
                        debug ("info about hpc descriptor---\n");
                        debug ("hot blk format: %x\n", format);
                        debug ("num of controller: %x\n", num_ctlrs);
-                        debug ("offset of hpc data structure enteries: %x\n ", sub_addr);
+                        debug ("offset of hpc data structure entries: %x\n ", sub_addr);
                        sub_addr = base + re;   /* re sub blk */
                        /* FIXME: rc is never used/checked */
@@ -359,7 +359,7 @@ int __init ibmphp_access_ebda (void)
                        debug ("info about rsrc descriptor---\n");
                        debug ("format: %x\n", format);
                        debug ("num of rsrc: %x\n", num_entries);
-                        debug ("offset of rsrc data structure enteries: %x\n ", sub_addr);
+                        debug ("offset of rsrc data structure entries: %x\n ", sub_addr);
                        hs_complete = 1;
                } else {
@@ -376,7 +376,7 @@ int __init ibmphp_access_ebda (void)
                        rio_table_ptr->scal_count = readb (io_mem + offset + 1);
                        rio_table_ptr->riodev_count = readb (io_mem + offset + 2);
                        rio_table_ptr->offset = offset +3 ;
-                        
                        debug("info about rio table hdr ---\n");
                        debug("ver_num: %x\nscal_count: %x\nriodev_count: %x\noffset of rio table: %x\n ",
                                rio_table_ptr->ver_num, rio_table_ptr->scal_count,
@@ -440,12 +440,12 @@ static int __init ebda_rio_table (void)
                rio_detail_ptr->chassis_num = readb (io_mem + offset + 14);
 //              debug ("rio_node_id: %x\nbbar: %x\nrio_type: %x\nowner_id: %x\nport0_node: %x\nport0_port: %x\nport1_node: %x\nport1_port: %x\nfirst_slot_num: %x\nstatus: %x\n", rio_detail_ptr->rio_node_id, rio_detail_ptr->bbar, rio_detail_ptr->rio_type, rio_detail_ptr->owner_id, rio_detail_ptr->port0_node_connect, rio_detail_ptr->port0_port_connect, rio_detail_ptr->port1_node_connect, rio_detail_ptr->port1_port_connect, rio_detail_ptr->first_slot_num, rio_detail_ptr->status);
                //create linked list of chassis
-                if (rio_detail_ptr->rio_type == 4 || rio_detail_ptr->rio_type == 5) 
+                if (rio_detail_ptr->rio_type == 4 || rio_detail_ptr->rio_type == 5)
                        list_add (&rio_detail_ptr->rio_detail_list, &rio_vg_head);
-                //create linked list of expansion box                           
+                //create linked list of expansion box
-                else if (rio_detail_ptr->rio_type == 6 || rio_detail_ptr->rio_type == 7) 
+                else if (rio_detail_ptr->rio_type == 6 || rio_detail_ptr->rio_type == 7)
                        list_add (&rio_detail_ptr->rio_detail_list, &rio_lo_head);
-                else 
+                else
                        // not in my concern
                        kfree (rio_detail_ptr);
                offset += 15;
@@ -456,7 +456,7 @@ static int __init ebda_rio_table (void)
 }
 /*
- * reorganizing linked list of chassis   
+ * reorganizing linked list of chassis
 */
 static struct opt_rio *search_opt_vg (u8 chassis_num)
 {
@@ -464,7 +464,7 @@ static struct opt_rio *search_opt_vg (u8 chassis_num)
        list_for_each_entry(ptr, &opt_vg_head, opt_rio_list) {
                if (ptr->chassis_num == chassis_num)
                        return ptr;
-        }               
+        }
        return NULL;
 }
@@ -472,7 +472,7 @@ static int __init combine_wpg_for_chassis (void)
 {
        struct opt_rio *opt_rio_ptr = NULL;
        struct rio_detail *rio_detail_ptr = NULL;
-        
        list_for_each_entry(rio_detail_ptr, &rio_vg_head, rio_detail_list) {
                opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
                if (!opt_rio_ptr) {
@@ -484,14 +484,14 @@ static int __init combine_wpg_for_chassis (void)
                        opt_rio_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
                        opt_rio_ptr->middle_num = rio_detail_ptr->first_slot_num;
                        list_add (&opt_rio_ptr->opt_rio_list, &opt_vg_head);
-                } else {        
+                } else {
                        opt_rio_ptr->first_slot_num = min (opt_rio_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
                        opt_rio_ptr->middle_num = max (opt_rio_ptr->middle_num, rio_detail_ptr->first_slot_num);
-                }       
+                }
        }
        print_opt_vg ();
-        return 0;       
+        return 0;
-}       
+}
 /*
 * reorganizing linked list of expansion box
@@ -502,7 +502,7 @@ static struct opt_rio_lo *search_opt_lo (u8 chassis_num)
        list_for_each_entry(ptr, &opt_lo_head, opt_rio_lo_list) {
                if (ptr->chassis_num == chassis_num)
                        return ptr;
-        }               
+        }
        return NULL;
 }
@@ -510,7 +510,7 @@ static int combine_wpg_for_expansion (void)
 {
        struct opt_rio_lo *opt_rio_lo_ptr = NULL;
        struct rio_detail *rio_detail_ptr = NULL;
-        
        list_for_each_entry(rio_detail_ptr, &rio_lo_head, rio_detail_list) {
                opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
                if (!opt_rio_lo_ptr) {
@@ -522,22 +522,22 @@ static int combine_wpg_for_expansion (void)
                        opt_rio_lo_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
                        opt_rio_lo_ptr->middle_num = rio_detail_ptr->first_slot_num;
                        opt_rio_lo_ptr->pack_count = 1;
-                        
                        list_add (&opt_rio_lo_ptr->opt_rio_lo_list, &opt_lo_head);
-                } else {        
+                } else {
                        opt_rio_lo_ptr->first_slot_num = min (opt_rio_lo_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
                        opt_rio_lo_ptr->middle_num = max (opt_rio_lo_ptr->middle_num, rio_detail_ptr->first_slot_num);
                        opt_rio_lo_ptr->pack_count = 2;
-                }       
+                }
        }
-        return 0;       
+        return 0;
 }
-        
 /* Since we don't know the max slot number per each chassis, hence go
 * through the list of all chassis to find out the range
- * Arguments: slot_num, 1st slot number of the chassis we think we are on, 
+ * Arguments: slot_num, 1st slot number of the chassis we think we are on,
- * var (0 = chassis, 1 = expansion box) 
+ * var (0 = chassis, 1 = expansion box)
 */
 static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
 {
@@ -547,7 +547,7 @@ static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
        if (!var) {
                list_for_each_entry(opt_vg_ptr, &opt_vg_head, opt_rio_list) {
-                        if ((first_slot < opt_vg_ptr->first_slot_num) && (slot_num >= opt_vg_ptr->first_slot_num)) { 
+                        if ((first_slot < opt_vg_ptr->first_slot_num) && (slot_num >= opt_vg_ptr->first_slot_num)) {
                                rc = -ENODEV;
                                break;
                        }
@@ -569,7 +569,7 @@ static struct opt_rio_lo * find_rxe_num (u8 slot_num)
        list_for_each_entry(opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
                //check to see if this slot_num belongs to expansion box
-                if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_lo_ptr->first_slot_num, 1))) 
+                if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_lo_ptr->first_slot_num, 1)))
                        return opt_lo_ptr;
        }
        return NULL;
@@ -580,8 +580,8 @@ static struct opt_rio * find_chassis_num (u8 slot_num)
        struct opt_rio *opt_vg_ptr;
        list_for_each_entry(opt_vg_ptr, &opt_vg_head, opt_rio_list) {
-                //check to see if this slot_num belongs to chassis 
+                //check to see if this slot_num belongs to chassis
-                if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_vg_ptr->first_slot_num, 0))) 
+                if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_vg_ptr->first_slot_num, 0)))
                        return opt_vg_ptr;
        }
        return NULL;
@@ -594,13 +594,13 @@ static u8 calculate_first_slot (u8 slot_num)
 {
        u8 first_slot = 1;
        struct slot * slot_cur;
-        
        list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {
                if (slot_cur->ctrl) {
-                        if ((slot_cur->ctrl->ctlr_type != 4) && (slot_cur->ctrl->ending_slot_num > first_slot) && (slot_num > slot_cur->ctrl->ending_slot_num)) 
+                        if ((slot_cur->ctrl->ctlr_type != 4) && (slot_cur->ctrl->ending_slot_num > first_slot) && (slot_num > slot_cur->ctrl->ending_slot_num))
                                first_slot = slot_cur->ctrl->ending_slot_num;
                }
-        }                       
+        }
        return first_slot + 1;
 }
@@ -622,11 +622,11 @@ static char *create_file_name (struct slot * slot_cur)
                err ("Structure passed is empty\n");
                return NULL;
        }
-        
        slot_num = slot_cur->number;
        memset (str, 0, sizeof(str));
-        
        if (rio_table_ptr) {
                if (rio_table_ptr->ver_num == 3) {
                        opt_vg_ptr = find_chassis_num (slot_num);
@@ -660,7 +660,7 @@ static char *create_file_name (struct slot * slot_cur)
                        /* if both NULL and we DO have correct RIO table in BIOS */
                        return NULL;
                }
-        } 
+        }
        if (!flag) {
                if (slot_cur->ctrl->ctlr_type == 4) {
                        first_slot = calculate_first_slot (slot_num);
@@ -798,7 +798,7 @@ static int __init ebda_rsrc_controller (void)
                        slot_ptr->ctl_index = readb (io_mem + addr_slot + 2*slot_num);
                        slot_ptr->slot_cap = readb (io_mem + addr_slot + 3*slot_num);
-                        // create bus_info lined list --- if only one slot per bus: slot_min = slot_max 
+                        // create bus_info lined list --- if only one slot per bus: slot_min = slot_max
                        bus_info_ptr2 = ibmphp_find_same_bus_num (slot_ptr->slot_bus_num);
                        if (!bus_info_ptr2) {
@@ -814,9 +814,9 @@ static int __init ebda_rsrc_controller (void)
                                bus_info_ptr1->index = bus_index++;
                                bus_info_ptr1->current_speed = 0xff;
                                bus_info_ptr1->current_bus_mode = 0xff;
-                                
                                bus_info_ptr1->controller_id = hpc_ptr->ctlr_id;
-                                
                                list_add_tail (&bus_info_ptr1->bus_info_list, &bus_info_head);
                        } else {
@@ -851,7 +851,7 @@ static int __init ebda_rsrc_controller (void)
                                bus_info_ptr2->slots_at_66_conv = bus_ptr->slots_at_66_conv;
                                bus_info_ptr2->slots_at_66_pcix = bus_ptr->slots_at_66_pcix;
                                bus_info_ptr2->slots_at_100_pcix = bus_ptr->slots_at_100_pcix;
-                                bus_info_ptr2->slots_at_133_pcix = bus_ptr->slots_at_133_pcix; 
+                                bus_info_ptr2->slots_at_133_pcix = bus_ptr->slots_at_133_pcix;
                        }
                        bus_ptr++;
                }
@@ -864,7 +864,7 @@ static int __init ebda_rsrc_controller (void)
                                hpc_ptr->u.pci_ctlr.dev_fun = readb (io_mem + addr + 1);
                                hpc_ptr->irq = readb (io_mem + addr + 2);
                                addr += 3;
-                                debug ("ctrl bus = %x, ctlr devfun = %x, irq = %x\n", 
+                                debug ("ctrl bus = %x, ctlr devfun = %x, irq = %x\n",
                                        hpc_ptr->u.pci_ctlr.bus,
                                        hpc_ptr->u.pci_ctlr.dev_fun, hpc_ptr->irq);
                                break;
@@ -932,7 +932,7 @@ static int __init ebda_rsrc_controller (void)
                                tmp_slot->supported_speed =  2;
                        else if ((hpc_ptr->slots[index].slot_cap & EBDA_SLOT_66_MAX) == EBDA_SLOT_66_MAX)
                                tmp_slot->supported_speed =  1;
-                                
                        if ((hpc_ptr->slots[index].slot_cap & EBDA_SLOT_PCIX_CAP) == EBDA_SLOT_PCIX_CAP)
                                tmp_slot->supported_bus_mode = 1;
                        else
@@ -1000,7 +1000,7 @@ error_no_hpc:
        return rc;
 }
-/* 
+/*
 * map info (bus, devfun, start addr, end addr..) of i/o, memory,
 * pfm from the physical addr to a list of resource.
 */
@@ -1057,7 +1057,7 @@ static int __init ebda_rsrc_rsrc (void)
                        addr += 10;
                        debug ("rsrc from mem or pfm ---\n");
-                        debug ("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n", 
+                        debug ("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
                                rsrc_ptr->rsrc_type, rsrc_ptr->bus_num, rsrc_ptr->dev_fun, rsrc_ptr->start_addr, rsrc_ptr->end_addr);
                        list_add (&rsrc_ptr->ebda_pci_rsrc_list, &ibmphp_ebda_pci_rsrc_head);
@@ -1096,7 +1096,7 @@ struct bus_info *ibmphp_find_same_bus_num (u32 num)
        struct bus_info *ptr;
        list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
-                if (ptr->busno == num) 
+                if (ptr->busno == num)
                         return ptr;
        }
        return NULL;
@@ -1110,7 +1110,7 @@ int ibmphp_get_bus_index (u8 num)
        struct bus_info *ptr;
        list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
-                if (ptr->busno == num)  
+                if (ptr->busno == num)
                        return ptr->index;
        }
        return -ENODEV;
@@ -1168,7 +1168,7 @@ static struct pci_device_id id_table[] = {
                .subdevice      = HPC_SUBSYSTEM_ID,
                .class          = ((PCI_CLASS_SYSTEM_PCI_HOTPLUG << 8) | 0x00),
        }, {}
-};              
+};
 MODULE_DEVICE_TABLE(pci, id_table);
@@ -1197,7 +1197,7 @@ static int ibmphp_probe (struct pci_dev * dev, const struct pci_device_id *ids)
        struct controller *ctrl;
        debug ("inside ibmphp_probe\n");
-        
        list_for_each_entry(ctrl, &ebda_hpc_head, ebda_hpc_list) {
                if (ctrl->ctlr_type == 1) {
                        if ((dev->devfn == ctrl->u.pci_ctlr.dev_fun) && (dev->bus->number == ctrl->u.pci_ctlr.bus)) {
@@ -1210,4 +1210,3 @@ static int ibmphp_probe (struct pci_dev * dev, const struct pci_device_id *ids)
        }
        return -ENODEV;
 }
diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c
index f59ed30512b5..5fc7a089f532 100644
--- a/drivers/pci/hotplug/ibmphp_hpc.c
+++ b/drivers/pci/hotplug/ibmphp_hpc.c
@@ -258,7 +258,7 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
 {
        u8 rc;
        void __iomem *wpg_addr; // base addr + offset
-        unsigned long wpg_data; // data to/from WPG LOHI format 
+        unsigned long wpg_data; // data to/from WPG LOHI format
        unsigned long ultemp;
        unsigned long data;     // actual data HILO format
        int i;
@@ -351,7 +351,7 @@ static u8 i2c_ctrl_write (struct controller *ctlr_ptr, void __iomem *WPGBbar, u8
 }
 //------------------------------------------------------------
-//  Read from ISA type HPC 
+//  Read from ISA type HPC
 //------------------------------------------------------------
 static u8 isa_ctrl_read (struct controller *ctlr_ptr, u8 offset)
 {
@@ -372,7 +372,7 @@ static void isa_ctrl_write (struct controller *ctlr_ptr, u8 offset, u8 data)
 {
        u16 start_address;
        u16 port_address;
-        
        start_address = ctlr_ptr->u.isa_ctlr.io_start;
        port_address = start_address + (u16) offset;
        outb (data, port_address);
@@ -656,11 +656,11 @@ int ibmphp_hpc_readslot (struct slot * pslot, u8 cmd, u8 * pstatus)
        //--------------------------------------------------------------------
        // cleanup
        //--------------------------------------------------------------------
-        
        // remove physical to logical address mapping
        if ((ctlr_ptr->ctlr_type == 2) || (ctlr_ptr->ctlr_type == 4))
                iounmap (wpg_bbar);
-        
        free_hpc_access ();
        debug_polling ("%s - Exit rc[%d]\n", __func__, rc);
@@ -835,7 +835,7 @@ static int poll_hpc(void *data)
                down (&semOperations);
                switch (poll_state) {
-                case POLL_LATCH_REGISTER: 
+                case POLL_LATCH_REGISTER:
                        oldlatchlow = curlatchlow;
                        ctrl_count = 0x00;
                        list_for_each (pslotlist, &ibmphp_slot_head) {
@@ -892,16 +892,16 @@ static int poll_hpc(void *data)
                        if (kthread_should_stop())
                                goto out_sleep;
-                        
                        down (&semOperations);
-                        
                        if (poll_count >= POLL_LATCH_CNT) {
                                poll_count = 0;
                                poll_state = POLL_SLOTS;
                        } else
                                poll_state = POLL_LATCH_REGISTER;
                        break;
-                }       
+                }
                /* give up the hardware semaphore */
                up (&semOperations);
                /* sleep for a short time just for good measure */
@@ -958,7 +958,7 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
        // bit 5 - HPC_SLOT_PWRGD
        if ((pslot->status & 0x20) != (poldslot->status & 0x20))
                // OFF -> ON: ignore, ON -> OFF: disable slot
-                if ((poldslot->status & 0x20) && (SLOT_CONNECT (poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT (poldslot->status))) 
+                if ((poldslot->status & 0x20) && (SLOT_CONNECT (poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT (poldslot->status)))
                        disable = 1;
        // bit 6 - HPC_SLOT_BUS_SPEED
@@ -980,7 +980,7 @@ static int process_changeinstatus (struct slot *pslot, struct slot *poldslot)
                                        pslot->status &= ~HPC_SLOT_POWER;
                        }
                }
-                // CLOSE -> OPEN 
+                // CLOSE -> OPEN
                else if ((SLOT_PWRGD (poldslot->status) == HPC_SLOT_PWRGD_GOOD)
                        && (SLOT_CONNECT (poldslot->status) == HPC_SLOT_CONNECTED) && (SLOT_PRESENT (poldslot->status))) {
                        disable = 1;
@@ -1075,7 +1075,7 @@ void __exit ibmphp_hpc_stop_poll_thread (void)
        debug ("before locking operations \n");
        ibmphp_lock_operations ();
        debug ("after locking operations \n");
-        
        // wait for poll thread to exit
        debug ("before sem_exit down \n");
        down (&sem_exit);
diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c
index c60f5f3e838d..639ea3a75e14 100644
--- a/drivers/pci/hotplug/ibmphp_pci.c
+++ b/drivers/pci/hotplug/ibmphp_pci.c
@@ -1,8 +1,8 @@
 /*
 * IBM Hot Plug Controller Driver
- * 
+ *
 * Written By: Irene Zubarev, IBM Corporation
- * 
+ *
 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
 * Copyright (C) 2001,2002 IBM Corp.
 *
@@ -42,7 +42,7 @@ static u8 find_sec_number (u8 primary_busno, u8 slotno);
 /*
 * NOTE..... If BIOS doesn't provide default routing, we assign:
- * 9 for SCSI, 10 for LAN adapters, and 11 for everything else. 
+ * 9 for SCSI, 10 for LAN adapters, and 11 for everything else.
 * If adapter is bridged, then we assign 11 to it and devices behind it.
 * We also assign the same irq numbers for multi function devices.
 * These are PIC mode, so shouldn't matter n.e.ways (hopefully)
@@ -71,11 +71,11 @@ static void assign_alt_irq (struct pci_func * cur_func, u8 class_code)
 * Configures the device to be added (will allocate needed resources if it
 * can), the device can be a bridge or a regular pci device, can also be
 * multi-functional
- * 
+ *
 * Input: function to be added
- * 
+ *
 * TO DO:  The error case with Multifunction device or multi function bridge,
- * if there is an error, will need to go through all previous functions and 
+ * if there is an error, will need to go through all previous functions and
 * unconfigure....or can add some code into unconfigure_card....
 */
 int ibmphp_configure_card (struct pci_func *func, u8 slotno)
@@ -98,7 +98,7 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
        cur_func = func;
        /* We only get bus and device from IRQ routing table.  So at this point,
-         * func->busno is correct, and func->device contains only device (at the 5 
+         * func->busno is correct, and func->device contains only device (at the 5
         * highest bits)
         */
@@ -151,7 +151,7 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
                                                     cur_func->device, cur_func->busno);
                                                cleanup_count = 6;
                                                goto error;
-                                        }       
+                                        }
                                        cur_func->next = NULL;
                                        function = 0x8;
                                        break;
@@ -339,7 +339,7 @@ error:
 }
 /*
- * This function configures the pci BARs of a single device.  
+ * This function configures the pci BARs of a single device.
 * Input: pointer to the pci_func
 * Output: configured PCI, 0, or error
 */
@@ -371,17 +371,17 @@ static int configure_device (struct pci_func *func)
        for (count = 0; address[count]; count++) {      /* for 6 BARs */
-                /* not sure if i need this.  per scott, said maybe need smth like this
+                /* not sure if i need this.  per scott, said maybe need * something like this
                   if devices don't adhere 100% to the spec, so don't want to write
                   to the reserved bits
-                pcibios_read_config_byte(cur_func->busno, cur_func->device, 
+                pcibios_read_config_byte(cur_func->busno, cur_func->device,
                PCI_BASE_ADDRESS_0 + 4 * count, &tmp);
                if (tmp & 0x01) // IO
-                        pcibios_write_config_dword(cur_func->busno, cur_func->device, 
+                        pcibios_write_config_dword(cur_func->busno, cur_func->device,
                        PCI_BASE_ADDRESS_0 + 4 * count, 0xFFFFFFFD);
                else  // Memory
-                        pcibios_write_config_dword(cur_func->busno, cur_func->device, 
+                        pcibios_write_config_dword(cur_func->busno, cur_func->device,
                        PCI_BASE_ADDRESS_0 + 4 * count, 0xFFFFFFFF);
                 */
                pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
@@ -421,8 +421,8 @@ static int configure_device (struct pci_func *func)
                                return -EIO;
                        }
                        pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
-        
-                        /* _______________This is for debugging purposes only_____________________ */ 
+                        /* _______________This is for debugging purposes only_____________________ */
                        debug ("b4 writing, the IO address is %x\n", func->io[count]->start);
                        pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
                        debug ("after writing.... the start address is %x\n", bar[count]);
@@ -484,7 +484,7 @@ static int configure_device (struct pci_func *func)
                                pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
-                                /*_______________This is for debugging purposes only______________________________*/                            
+                                /*_______________This is for debugging purposes only______________________________*/
                                debug ("b4 writing, start address is %x\n", func->pfmem[count]->start);
                                pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
                                debug ("after writing, start address is %x\n", bar[count]);
@@ -559,7 +559,7 @@ static int configure_device (struct pci_func *func)
 /******************************************************************************
 * This routine configures a PCI-2-PCI bridge and the functions behind it
 * Parameters: pci_func
- * Returns: 
+ * Returns:
 ******************************************************************************/
 static int configure_bridge (struct pci_func **func_passed, u8 slotno)
 {
@@ -622,7 +622,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
        debug ("AFTER FIND_SEC_NUMBER, func->busno IS %x\n", func->busno);
        pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, sec_number);
-        
        /* __________________For debugging purposes only __________________________________
        pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
        debug ("sec_number after write/read is %x\n", sec_number);
@@ -644,7 +644,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
        /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-           !!!!!!!!!!!!!!!NEED TO ADD!!!  FAST BACK-TO-BACK ENABLE!!!!!!!!!!!!!!!!!!!! 
+           !!!!!!!!!!!!!!!NEED TO ADD!!!  FAST BACK-TO-BACK ENABLE!!!!!!!!!!!!!!!!!!!!
           !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
@@ -670,7 +670,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                        debug ("len[count] in IO = %x\n", len[count]);
                        bus_io[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
-                
                        if (!bus_io[count]) {
                                err ("out of system memory\n");
                                retval = -ENOMEM;
@@ -735,7 +735,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                                                ibmphp_add_pfmem_from_mem (bus_pfmem[count]);
                                                func->pfmem[count] = bus_pfmem[count];
                                        } else {
-                                                err ("cannot allocate requested pfmem for bus %x, device %x, len %x\n", 
+                                                err ("cannot allocate requested pfmem for bus %x, device %x, len %x\n",
                                                     func->busno, func->device, len[count]);
                                                kfree (mem_tmp);
                                                kfree (bus_pfmem[count]);
@@ -805,7 +805,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
        debug ("amount_needed->mem = %x\n", amount_needed->mem);
        debug ("amount_needed->pfmem =  %x\n", amount_needed->pfmem);
-        if (amount_needed->not_correct) {               
+        if (amount_needed->not_correct) {
                debug ("amount_needed is not correct\n");
                for (count = 0; address[count]; count++) {
                        /* for 2 BARs */
@@ -830,7 +830,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
        } else {
                debug ("it wants %x IO behind the bridge\n", amount_needed->io);
                io = kzalloc(sizeof(*io), GFP_KERNEL);
-                
                if (!io) {
                        err ("out of system memory\n");
                        retval = -ENOMEM;
@@ -959,7 +959,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                if (bus->noIORanges) {
                        pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, 0x00 | bus->rangeIO->start >> 8);
-                        pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00 | bus->rangeIO->end >> 8); 
+                        pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00 | bus->rangeIO->end >> 8);
                        /* _______________This is for debugging purposes only ____________________
                        pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &temp);
@@ -980,7 +980,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                if (bus->noMemRanges) {
                        pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, 0x0000 | bus->rangeMem->start >> 16);
                        pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, 0x0000 | bus->rangeMem->end >> 16);
-                        
                        /* ____________________This is for debugging purposes only ________________________
                        pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &temp);
                        debug ("mem_base = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
@@ -1017,7 +1017,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
                pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_PIN, &irq);
                if ((irq > 0x00) && (irq < 0x05))
                        pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
-                /*    
+                /*
                pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, ctrl);
                pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_PARITY);
                pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_SERR);
@@ -1071,7 +1071,7 @@ error:
 * This function adds up the amount of resources needed behind the PPB bridge
 * and passes it to the configure_bridge function
 * Input: bridge function
- * Ouput: amount of resources needed
+ * Output: amount of resources needed
 *****************************************************************************/
 static struct res_needed *scan_behind_bridge (struct pci_func * func, u8 busno)
 {
@@ -1204,9 +1204,9 @@ static struct res_needed *scan_behind_bridge (struct pci_func * func, u8 busno)
        return amount;
 }
-/* The following 3 unconfigure_boot_ routines deal with the case when we had the card 
+/* The following 3 unconfigure_boot_ routines deal with the case when we had the card
- * upon bootup in the system, since we don't allocate func to such case, we need to read 
+ * upon bootup in the system, since we don't allocate func to such case, we need to read
- * the start addresses from pci config space and then find the corresponding entries in 
+ * the start addresses from pci config space and then find the corresponding entries in
 * our resource lists.  The functions return either 0, -ENODEV, or -1 (general failure)
 * Change: we also call these functions even if we configured the card ourselves (i.e., not
 * the bootup case), since it should work same way
@@ -1561,8 +1561,8 @@ static int unconfigure_boot_card (struct slot *slot_cur)
 * unconfiguring the device
 * TO DO:  will probably need to add some code in case there was some resource,
 * to remove it... this is from when we have errors in the configure_card...
- *                      !!!!!!!!!!!!!!!!!!!!!!!!!FOR BUSES!!!!!!!!!!!!
+ *                      !!!!!!!!!!!!!!!!!!!!!!!!!FOR BUSES!!!!!!!!!!!!
- * Returns: 0, -1, -ENODEV 
+ * Returns: 0, -1, -ENODEV
 */
 int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end)
 {
@@ -1634,7 +1634,7 @@ int ibmphp_unconfigure_card (struct slot **slot_cur, int the_end)
 * Input: bus and the amount of resources needed (we know we can assign those,
 *        since they've been checked already
 * Output: bus added to the correct spot
- *         0, -1, error 
+ *         0, -1, error
 */
 static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct resource_node *mem, struct resource_node *pfmem, u8 parent_busno)
 {
@@ -1650,7 +1650,7 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
                        err ("strange, cannot find bus which is supposed to be at the system... something is terribly wrong...\n");
                        return -ENODEV;
                }
-        
                list_add (&bus->bus_list, &cur_bus->bus_list);
        }
        if (io) {
@@ -1679,7 +1679,7 @@ static int add_new_bus (struct bus_node *bus, struct resource_node *io, struct r
        }
        if (pfmem) {
                pfmem_range = kzalloc(sizeof(*pfmem_range), GFP_KERNEL);
-                if (!pfmem_range) {     
+                if (!pfmem_range) {
                        err ("out of system memory\n");
                        return -ENOMEM;
                }
@@ -1726,4 +1726,3 @@ static u8 find_sec_number (u8 primary_busno, u8 slotno)
                return busno;
        return 0xff;
 }
diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c
index e2dc289f767c..a265acb2d518 100644
--- a/drivers/pci/hotplug/ibmphp_res.c
+++ b/drivers/pci/hotplug/ibmphp_res.c
@@ -72,7 +72,7 @@ static struct bus_node * __init alloc_error_bus (struct ebda_pci_rsrc * curr, u8
 static struct resource_node * __init alloc_resources (struct ebda_pci_rsrc * curr)
 {
        struct resource_node *rs;
-        
        if (!curr) {
                err ("NULL passed to allocate\n");
                return NULL;
@@ -128,7 +128,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
        }
        newrange->start = curr->start_addr;
        newrange->end = curr->end_addr;
-                
        if (first_bus || (!num_ranges))
                newrange->rangeno = 1;
        else {
@@ -162,7 +162,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
                        newbus->rangePFMem = newrange;
                        if (first_bus)
                                newbus->noPFMemRanges = 1;
-                        else {  
+                        else {
                                debug ("1st PFMemory Primary on Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end);
                                ++newbus->noPFMemRanges;
                                fix_resources (newbus);
@@ -190,7 +190,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
 * This is the Resource Management initialization function.  It will go through
 * the Resource list taken from EBDA and fill in this module's data structures
 *
- * THIS IS NOT TAKING INTO CONSIDERATION IO RESTRICTIONS OF PRIMARY BUSES, 
+ * THIS IS NOT TAKING INTO CONSIDERATION IO RESTRICTIONS OF PRIMARY BUSES,
 * SINCE WE'RE GOING TO ASSUME FOR NOW WE DON'T HAVE THOSE ON OUR BUSES FOR NOW
 *
 * Input: ptr to the head of the resource list from EBDA
@@ -382,7 +382,7 @@ int __init ibmphp_rsrc_init (void)
 * pci devices' resources for the appropriate resource
 *
 * Input: type of the resource, range to add, current bus
- * Output: 0 or -1, bus and range ptrs 
+ * Output: 0 or -1, bus and range ptrs
 ********************************************************************************/
 static int add_bus_range (int type, struct range_node *range, struct bus_node *bus_cur)
 {
@@ -466,7 +466,7 @@ static void update_resources (struct bus_node *bus_cur, int type, int rangeno)
        switch (type) {
                case MEM:
-                        if (bus_cur->firstMem) 
+                        if (bus_cur->firstMem)
                                res = bus_cur->firstMem;
                        break;
                case PFMEM:
@@ -583,7 +583,7 @@ static void fix_resources (struct bus_node *bus_cur)
 }
 /*******************************************************************************
- * This routine adds a resource to the list of resources to the appropriate bus 
+ * This routine adds a resource to the list of resources to the appropriate bus
 * based on their resource type and sorted by their starting addresses.  It assigns
 * the ptrs to next and nextRange if needed.
 *
@@ -605,11 +605,11 @@ int ibmphp_add_resource (struct resource_node *res)
                err ("NULL passed to add\n");
                return -ENODEV;
        }
-        
        bus_cur = find_bus_wprev (res->busno, NULL, 0);
-        
        if (!bus_cur) {
-                /* didn't find a bus, smth's wrong!!! */
+                /* didn't find a bus, something's wrong!!! */
                debug ("no bus in the system, either pci_dev's wrong or allocation failed\n");
                return -ENODEV;
        }
@@ -648,7 +648,7 @@ int ibmphp_add_resource (struct resource_node *res)
        if (!range_cur) {
                switch (res->type) {
                        case IO:
-                                ++bus_cur->needIOUpdate;                                        
+                                ++bus_cur->needIOUpdate;
                                break;
                        case MEM:
                                ++bus_cur->needMemUpdate;
@@ -659,13 +659,13 @@ int ibmphp_add_resource (struct resource_node *res)
                }
                res->rangeno = -1;
        }
-        
        debug ("The range is %d\n", res->rangeno);
        if (!res_start) {
                /* no first{IO,Mem,Pfmem} on the bus, 1st IO/Mem/Pfmem resource ever */
                switch (res->type) {
                        case IO:
-                                bus_cur->firstIO = res;                                 
+                                bus_cur->firstIO = res;
                                break;
                        case MEM:
                                bus_cur->firstMem = res;
@@ -673,7 +673,7 @@ int ibmphp_add_resource (struct resource_node *res)
                        case PFMEM:
                                bus_cur->firstPFMem = res;
                                break;
-                }       
+                }
                res->next = NULL;
                res->nextRange = NULL;
        } else {
@@ -770,7 +770,7 @@ int ibmphp_add_resource (struct resource_node *res)
 * This routine will remove the resource from the list of resources
 *
 * Input: io, mem, and/or pfmem resource to be deleted
- * Ouput: modified resource list
+ * Output: modified resource list
 *        0 or error code
 ****************************************************************************/
 int ibmphp_remove_resource (struct resource_node *res)
@@ -825,7 +825,7 @@ int ibmphp_remove_resource (struct resource_node *res)
        if (!res_cur) {
                if (res->type == PFMEM) {
-                        /* 
+                        /*
                         * case where pfmem might be in the PFMemFromMem list
                         * so will also need to remove the corresponding mem
                         * entry
@@ -961,12 +961,12 @@ static struct range_node * find_range (struct bus_node *bus_cur, struct resource
 }
 /*****************************************************************************
- * This routine will check to make sure the io/mem/pfmem->len that the device asked for 
+ * This routine will check to make sure the io/mem/pfmem->len that the device asked for
 * can fit w/i our list of available IO/MEM/PFMEM resources.  If cannot, returns -EINVAL,
 * otherwise, returns 0
 *
 * Input: resource
- * Ouput: the correct start and end address are inputted into the resource node,
+ * Output: the correct start and end address are inputted into the resource node,
 *        0 or -EINVAL
 *****************************************************************************/
 int ibmphp_check_resource (struct resource_node *res, u8 bridge)
@@ -996,7 +996,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
        bus_cur = find_bus_wprev (res->busno, NULL, 0);
        if (!bus_cur) {
-                /* didn't find a bus, smth's wrong!!! */
+                /* didn't find a bus, something's wrong!!! */
                debug ("no bus in the system, either pci_dev's wrong or allocation failed\n");
                return -EINVAL;
        }
@@ -1066,7 +1066,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
                                                                break;
                                                }
                                        }
-                        
                                        if (flag && len_cur == res->len) {
                                                debug ("but we are not here, right?\n");
                                                res->start = start_cur;
@@ -1118,10 +1118,10 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
                if (res_prev) {
                        if (res_prev->rangeno != res_cur->rangeno) {
                                /* 1st device on this range */
-                                if ((res_cur->start != range->start) && 
+                                if ((res_cur->start != range->start) &&
                                        ((len_tmp = res_cur->start - 1 - range->start) >= res->len)) {
                                        if ((len_tmp < len_cur) || (len_cur == 0)) {
-                                                if ((range->start % tmp_divide) == 0) { 
+                                                if ((range->start % tmp_divide) == 0) {
                                                        /* just perfect, starting address is divisible by length */
                                                        flag = 1;
                                                        len_cur = len_tmp;
@@ -1344,7 +1344,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge)
 * This routine is called from remove_card if the card contained PPB.
 * It will remove all the resources on the bus as well as the bus itself
 * Input: Bus
- * Ouput: 0, -ENODEV
+ * Output: 0, -ENODEV
 ********************************************************************************/
 int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
 {
@@ -1353,7 +1353,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
        struct bus_node *prev_bus;
        int rc;
-        prev_bus = find_bus_wprev (parent_busno, NULL, 0);      
+        prev_bus = find_bus_wprev (parent_busno, NULL, 0);
        if (!prev_bus) {
                debug ("something terribly wrong. Cannot find parent bus to the one to remove\n");
@@ -1424,7 +1424,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno)
 }
 /******************************************************************************
- * This routine deletes the ranges from a given bus, and the entries from the 
+ * This routine deletes the ranges from a given bus, and the entries from the
 * parent's bus in the resources
 * Input: current bus, previous bus
 * Output: 0, -EINVAL
@@ -1453,7 +1453,7 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
        if (bus_cur->noMemRanges) {
                range_cur = bus_cur->rangeMem;
                for (i = 0; i < bus_cur->noMemRanges; i++) {
-                        if (ibmphp_find_resource (bus_prev, range_cur->start, &res, MEM) < 0) 
+                        if (ibmphp_find_resource (bus_prev, range_cur->start, &res, MEM) < 0)
                                return -EINVAL;
                        ibmphp_remove_resource (res);
@@ -1467,7 +1467,7 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
        if (bus_cur->noPFMemRanges) {
                range_cur = bus_cur->rangePFMem;
                for (i = 0; i < bus_cur->noPFMemRanges; i++) {
-                        if (ibmphp_find_resource (bus_prev, range_cur->start, &res, PFMEM) < 0) 
+                        if (ibmphp_find_resource (bus_prev, range_cur->start, &res, PFMEM) < 0)
                                return -EINVAL;
                        ibmphp_remove_resource (res);
@@ -1482,7 +1482,7 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev)
 }
 /*
- * find the resource node in the bus 
+ * find the resource node in the bus
 * Input: Resource needed, start address of the resource, type of resource
 */
 int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resource_node **res, int flag)
@@ -1512,7 +1512,7 @@ int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resour
                        err ("wrong type of flag\n");
                        return -EINVAL;
        }
-        
        while (res_cur) {
                if (res_cur->start == start_address) {
                        *res = res_cur;
@@ -1718,7 +1718,7 @@ static int __init once_over (void)
                        }       /* end for pfmem */
                }       /* end if */
        }       /* end list_for_each bus */
-        return 0; 
+        return 0;
 }
 int ibmphp_add_pfmem_from_mem (struct resource_node *pfmem)
@@ -1760,9 +1760,9 @@ static struct bus_node *find_bus_wprev (u8 bus_number, struct bus_node **prev, u
        list_for_each (tmp, &gbuses) {
                tmp_prev = tmp->prev;
                bus_cur = list_entry (tmp, struct bus_node, bus_list);
-                if (flag) 
+                if (flag)
                        *prev = list_entry (tmp_prev, struct bus_node, bus_list);
-                if (bus_cur->busno == bus_number) 
+                if (bus_cur->busno == bus_number)
                        return bus_cur;
        }
@@ -1776,7 +1776,7 @@ void ibmphp_print_test (void)
        struct range_node *range;
        struct resource_node *res;
        struct list_head *tmp;
-        
        debug_pci ("*****************START**********************\n");
        if ((!list_empty(&gbuses)) && flags) {
@@ -1906,7 +1906,7 @@ static int range_exists_already (struct range_node * range, struct bus_node * bu
                        return 1;
                range_cur = range_cur->next;
        }
-        
        return 0;
 }
@@ -1920,7 +1920,7 @@ static int range_exists_already (struct range_node * range, struct bus_node * bu
 * Returns: none
 * Note: this function doesn't take into account IO restrictions etc,
 *       so will only work for bridges with no video/ISA devices behind them It
- *       also will not work for onboard PPB's that can have more than 1 *bus
+ *       also will not work for onboard PPBs that can have more than 1 *bus
 *       behind them All these are TO DO.
 *       Also need to add more error checkings... (from fnc returns etc)
 */
@@ -1963,7 +1963,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
                                        case PCI_HEADER_TYPE_BRIDGE:
                                                function = 0x8;
                                        case PCI_HEADER_TYPE_MULTIBRIDGE:
-                                                /* We assume here that only 1 bus behind the bridge 
+                                                /* We assume here that only 1 bus behind the bridge
                                                   TO DO: add functionality for several:
                                                   temp = secondary;
                                                   while (temp < subordinate) {
@@ -1972,7 +1972,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
                                                   }
                                                 */
                                                pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_busno);
-                                                bus_sec = find_bus_wprev (sec_busno, NULL, 0); 
+                                                bus_sec = find_bus_wprev (sec_busno, NULL, 0);
                                                /* this bus structure doesn't exist yet, PPB was configured during previous loading of ibmphp */
                                                if (!bus_sec) {
                                                        bus_sec = alloc_error_bus (NULL, sec_busno, 1);
@@ -2028,7 +2028,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
                                                                io->len = io->end - io->start + 1;
                                                                ibmphp_add_resource (io);
                                                        }
-                                                }       
+                                                }
                                                pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &start_mem_address);
                                                pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &end_mem_address);
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index ec20f74c8981..cfa92a984e62 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -131,7 +131,7 @@ static ssize_t power_write_file(struct pci_slot *pci_slot, const char *buf,
        }
        module_put(slot->ops->owner);
-exit:   
+exit:
        if (retval)
                return retval;
        return count;
@@ -177,7 +177,7 @@ static ssize_t attention_write_file(struct pci_slot *slot, const char *buf,
                retval = ops->set_attention_status(slot->hotplug, attention);
        module_put(ops->owner);
-exit:   
+exit:
        if (retval)
                return retval;
        return count;
@@ -247,7 +247,7 @@ static ssize_t test_write_file(struct pci_slot *pci_slot, const char *buf,
                retval = slot->ops->hardware_test(slot, test);
        module_put(slot->ops->owner);
-exit:   
+exit:
        if (retval)
                return retval;
        return count;
@@ -512,7 +512,7 @@ int pci_hp_deregister(struct hotplug_slot *hotplug)
 * @hotplug: pointer to the slot whose info has changed
 * @info: pointer to the info copy into the slot's info structure
 *
- * @slot must have been registered with the pci 
+ * @slot must have been registered with the pci
 * hotplug subsystem previously with a call to pci_hp_register().
 *
 * Returns 0 if successful, anything else for an error.
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 541bbe6d5343..21e865ded1dc 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -180,5 +180,5 @@ static inline int pciehp_acpi_slot_detection_check(struct pci_dev *dev)
 {
        return 0;
 }
-#endif                          /* CONFIG_ACPI */
+#endif                          /* CONFIG_ACPI */
 #endif                          /* _PCIEHP_H */
diff --git a/drivers/pci/hotplug/pciehp_acpi.c b/drivers/pci/hotplug/pciehp_acpi.c
index ead7c534095e..55ea2a07f266 100644
--- a/drivers/pci/hotplug/pciehp_acpi.c
+++ b/drivers/pci/hotplug/pciehp_acpi.c
@@ -78,7 +78,7 @@ static int __initdata dup_slot_id;
 static int __initdata acpi_slot_detected;
 static struct list_head __initdata dummy_slots = LIST_HEAD_INIT(dummy_slots);
-/* Dummy driver for dumplicate name detection */
+/* Dummy driver for duplicate name detection */
 static int __init dummy_probe(struct pcie_device *dev)
 {
        u32 slot_cap;
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index f4a18f51a29c..bbd48bbe4e9b 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -351,8 +351,8 @@ static int __init pcied_init(void)
        pciehp_firmware_init();
        retval = pcie_port_service_register(&hpdriver_portdrv);
-        dbg("pcie_port_service_register = %d\n", retval);
+        dbg("pcie_port_service_register = %d\n", retval);
-        info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
+        info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
        if (retval)
                dbg("Failure to register service\n");
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 51f56ef4ab6f..3eea3fdd4b0b 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -92,7 +92,7 @@ static void start_int_poll_timer(struct controller *ctrl, int sec)
 {
        /* Clamp to sane value */
        if ((sec <= 0) || (sec > 60))
-                sec = 2;
+                sec = 2;
        ctrl->poll_timer.function = &int_poll_timeout;
        ctrl->poll_timer.data = (unsigned long)ctrl;
@@ -194,7 +194,7 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
                        ctrl_dbg(ctrl, "CMD_COMPLETED not clear after 1 sec\n");
                } else if (!NO_CMD_CMPL(ctrl)) {
                        /*
-                         * This controller semms to notify of command completed
+                         * This controller seems to notify of command completed
                         * event even though it supports none of power
                         * controller, attention led, power led and EMI.
                         */
@@ -926,7 +926,7 @@ struct controller *pcie_init(struct pcie_device *dev)
        if (pciehp_writew(ctrl, PCI_EXP_SLTSTA, 0x1f))
                goto abort_ctrl;
-        /* Disable sotfware notification */
+        /* Disable software notification */
        pcie_disable_notification(ctrl);
        ctrl_info(ctrl, "HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
diff --git a/drivers/pci/hotplug/pcihp_skeleton.c b/drivers/pci/hotplug/pcihp_skeleton.c
index 1f00b937f721..ac69094e4b20 100644
--- a/drivers/pci/hotplug/pcihp_skeleton.c
+++ b/drivers/pci/hotplug/pcihp_skeleton.c
@@ -52,7 +52,7 @@ static LIST_HEAD(slot_list);
        do {                                                    \
                if (debug)                                      \
                        printk (KERN_DEBUG "%s: " format "\n",  \
-                                MY_NAME , ## arg);              \
+                                MY_NAME , ## arg);              \
        } while (0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
@@ -287,7 +287,7 @@ static int __init init_slots(void)
                hotplug_slot->release = &release_slot;
                make_slot_name(slot);
                hotplug_slot->ops = &skel_hotplug_slot_ops;
-                
                /*
                 * Initialize the slot info structure with some known
                 * good values.
@@ -296,7 +296,7 @@ static int __init init_slots(void)
                get_attention_status(hotplug_slot, &info->attention_status);
                get_latch_status(hotplug_slot, &info->latch_status);
                get_adapter_status(hotplug_slot, &info->adapter_status);
-                
                dbg("registering slot %d\n", i);
                retval = pci_hp_register(slot->hotplug_slot);
                if (retval) {
@@ -336,7 +336,7 @@ static void __exit cleanup_slots(void)
                pci_hp_deregister(slot->hotplug_slot);
        }
 }
-                
 static int __init pcihp_skel_init(void)
 {
        int retval;
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index bb7af78e4eed..e9c044d15add 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -217,7 +217,7 @@ static int dlpar_remove_phb(char *drc_name, struct device_node *dn)
        if (!pcibios_find_pci_bus(dn))
                return -EINVAL;
-        /* If pci slot is hotplugable, use hotplug to remove it */
+        /* If pci slot is hotpluggable, use hotplug to remove it */
        slot = find_php_slot(dn);
        if (slot && rpaphp_deregister_slot(slot)) {
                printk(KERN_ERR "%s: unable to remove hotplug slot %s\n",
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h
index 3135856e5e1c..b2593e876a09 100644
--- a/drivers/pci/hotplug/rpaphp.h
+++ b/drivers/pci/hotplug/rpaphp.h
@@ -49,9 +49,9 @@
 extern bool rpaphp_debug;
 #define dbg(format, arg...)                                     \
        do {                                                    \
-                if (rpaphp_debug)                                       \
+                if (rpaphp_debug)                               \
                        printk(KERN_DEBUG "%s: " format,        \
-                                MY_NAME , ## arg);              \
+                                MY_NAME , ## arg);              \
        } while (0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
@@ -99,5 +99,5 @@ void dealloc_slot_struct(struct slot *slot);
 struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
 int rpaphp_register_slot(struct slot *slot);
 int rpaphp_deregister_slot(struct slot *slot);
-        
 #endif                          /* _PPC64PHP_H */
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 127d6e600185..b7fc5c9255a5 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -226,7 +226,7 @@ int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
        for (i = 0; i < indexes[0]; i++) {
                if ((unsigned int) indexes[i + 1] == *my_index) {
                        if (drc_name)
-                                *drc_name = name_tmp;
+                                *drc_name = name_tmp;
                        if (drc_type)
                                *drc_type = type_tmp;
                        if (drc_index)
@@ -289,7 +289,7 @@ static int is_php_dn(struct device_node *dn, const int **indexes,
 * rpaphp_add_slot -- declare a hotplug slot to the hotplug subsystem.
 * @dn: device node of slot
 *
- * This subroutine will register a hotplugable slot with the
+ * This subroutine will register a hotpluggable slot with the
 * PCI hotplug infrastructure. This routine is typically called
 * during boot time, if the hotplug slots are present at boot time,
 * or is called later, by the dlpar add code, if the slot is
@@ -328,7 +328,7 @@ int rpaphp_add_slot(struct device_node *dn)
                        return -ENOMEM;
                slot->type = simple_strtoul(type, NULL, 10);
-                                
                dbg("Found drc-index:0x%x drc-name:%s drc-type:%s\n",
                                indexes[i + 1], name, type);
@@ -356,7 +356,7 @@ static void __exit cleanup_slots(void)
        /*
         * Unregister all of our slots with the pci_hotplug subsystem,
         * and free up all memory that we had allocated.
-         * memory will be freed in release_slot callback. 
+         * memory will be freed in release_slot callback.
         */
        list_for_each_safe(tmp, n, &rpaphp_slot_head) {
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index 513e1e282391..9243f3e7a1c9 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -44,7 +44,7 @@ int rpaphp_get_sensor_state(struct slot *slot, int *state)
                        dbg("%s: slot must be power up to get sensor-state\n",
                            __func__);
-                        /* some slots have to be powered up 
+                        /* some slots have to be powered up
                         * before get-sensor will succeed.
                         */
                        rc = rtas_set_power_level(slot->power_domain, POWER_ON,
@@ -133,4 +133,3 @@ int rpaphp_enable_slot(struct slot *slot)
        return 0;
 }
diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c
index b283bbea6d24..a6082cc263f7 100644
--- a/drivers/pci/hotplug/rpaphp_slot.c
+++ b/drivers/pci/hotplug/rpaphp_slot.c
@@ -1,5 +1,5 @@
 /*
- * RPA Virtual I/O device functions 
+ * RPA Virtual I/O device functions
 * Copyright (C) 2004 Linda Xie <lxie@us.ibm.com>
 *
 * All rights reserved.
@@ -51,27 +51,27 @@ struct slot *alloc_slot_struct(struct device_node *dn,
                       int drc_index, char *drc_name, int power_domain)
 {
        struct slot *slot;
-        
        slot = kzalloc(sizeof(struct slot), GFP_KERNEL);
        if (!slot)
                goto error_nomem;
        slot->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
        if (!slot->hotplug_slot)
-                goto error_slot;        
+                goto error_slot;
        slot->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info),
                                           GFP_KERNEL);
        if (!slot->hotplug_slot->info)
                goto error_hpslot;
        slot->name = kstrdup(drc_name, GFP_KERNEL);
        if (!slot->name)
-                goto error_info;        
+                goto error_info;
        slot->dn = dn;
        slot->index = drc_index;
        slot->power_domain = power_domain;
        slot->hotplug_slot->private = slot;
        slot->hotplug_slot->ops = &rpaphp_hotplug_slot_ops;
        slot->hotplug_slot->release = &rpaphp_release_slot;
-        
        return (slot);
 error_info:
@@ -91,7 +91,7 @@ static int is_registered(struct slot *slot)
        list_for_each_entry(tmp_slot, &rpaphp_slot_head, rpaphp_slot_list) {
                if (!strcmp(tmp_slot->name, slot->name))
                        return 1;
-        }       
+        }
        return 0;
 }
@@ -104,7 +104,7 @@ int rpaphp_deregister_slot(struct slot *slot)
                __func__, slot->name);
        list_del(&slot->rpaphp_slot_list);
-        
        retval = pci_hp_deregister(php_slot);
        if (retval)
                err("Problem unregistering a slot %s\n", slot->name);
@@ -120,7 +120,7 @@ int rpaphp_register_slot(struct slot *slot)
        int retval;
        int slotno;
-        dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n", 
+        dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n",
                __func__, slot->dn->full_name, slot->index, slot->name,
                slot->power_domain, slot->type);
@@ -128,7 +128,7 @@ int rpaphp_register_slot(struct slot *slot)
        if (is_registered(slot)) {
                err("rpaphp_register_slot: slot[%s] is already registered\n", slot->name);
                return -EAGAIN;
-        }       
+        }
        if (slot->dn->child)
                slotno = PCI_SLOT(PCI_DN(slot->dn->child)->devfn);
@@ -145,4 +145,3 @@ int rpaphp_register_slot(struct slot *slot)
        info("Slot [%s] registered\n", slot->name);
        return 0;
 }
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index d876e4b3c6a9..61529097464d 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -216,13 +216,13 @@ struct ctrl_reg {
 /* offsets to the controller registers based on the above structure layout */
 enum ctrl_offsets {
-        BASE_OFFSET      = offsetof(struct ctrl_reg, base_offset),
+        BASE_OFFSET      = offsetof(struct ctrl_reg, base_offset),
-        SLOT_AVAIL1      = offsetof(struct ctrl_reg, slot_avail1),
+        SLOT_AVAIL1      = offsetof(struct ctrl_reg, slot_avail1),
        SLOT_AVAIL2      = offsetof(struct ctrl_reg, slot_avail2),
-        SLOT_CONFIG      = offsetof(struct ctrl_reg, slot_config),
+        SLOT_CONFIG      = offsetof(struct ctrl_reg, slot_config),
        SEC_BUS_CONFIG   = offsetof(struct ctrl_reg, sec_bus_config),
        MSI_CTRL         = offsetof(struct ctrl_reg, msi_ctrl),
-        PROG_INTERFACE   = offsetof(struct ctrl_reg, prog_interface),
+        PROG_INTERFACE   = offsetof(struct ctrl_reg, prog_interface),
        CMD              = offsetof(struct ctrl_reg, cmd),
        CMD_STATUS       = offsetof(struct ctrl_reg, cmd_status),
        INTR_LOC         = offsetof(struct ctrl_reg, intr_loc),
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index d3f757df691c..faf13abd5b99 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -143,11 +143,11 @@ static int init_slots(struct controller *ctrl)
                snprintf(name, SLOT_NAME_SIZE, "%d", slot->number);
                hotplug_slot->ops = &shpchp_hotplug_slot_ops;
-                ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x "
+                ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x "
-                         "hp_slot=%x sun=%x slot_device_offset=%x\n",
+                         "hp_slot=%x sun=%x slot_device_offset=%x\n",
-                         pci_domain_nr(ctrl->pci_dev->subordinate),
+                         pci_domain_nr(ctrl->pci_dev->subordinate),
-                         slot->bus, slot->device, slot->hp_slot, slot->number,
+                         slot->bus, slot->device, slot->hp_slot, slot->number,
-                         ctrl->slot_device_offset);
+                         ctrl->slot_device_offset);
                retval = pci_hp_register(slot->hotplug_slot,
                                ctrl->pci_dev->subordinate, slot->device, name);
                if (retval) {
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 75ba2311b54f..2d7f474ca0ec 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -116,7 +116,7 @@
 #define SLOT_REG_RSVDZ_MASK     ((1 << 15) | (7 << 21))
 /*
- * SHPC Command Code definitnions
+ * SHPC Command Code definitions
 *
 *     Slot Operation                           00h - 3Fh
 *     Set Bus Segment Speed/Mode A             40h - 47h
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 21a7182dccd4..1fe2d6fb19d5 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -610,7 +610,7 @@ resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, int resno)
        struct resource tmp;
        enum pci_bar_type type;
        int reg = pci_iov_resource_bar(dev, resno, &type);
-        
        if (!reg)
                return 0;
diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c
index b008cf86b9c3..6684f153ab57 100644
--- a/drivers/pci/irq.c
+++ b/drivers/pci/irq.c
@@ -25,7 +25,7 @@ static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
 /**
 * pci_lost_interrupt - reports a lost PCI interrupt
 * @pdev:       device whose interrupt is lost
- * 
+ *
 * The primary function of this routine is to report a lost interrupt
 * in a standard way which users can recognise (instead of blaming the
 * driver).
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 5e63645a7abe..3fcd67a16677 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -784,7 +784,7 @@ error:
 * @nvec: how many MSIs have been requested ?
 * @type: are we checking for MSI or MSI-X ?
 *
- * Look at global flags, the device itself, and its parent busses
+ * Look at global flags, the device itself, and its parent buses
 * to determine if MSI/-X are supported for the device. If MSI/-X is
 * supported return 0, else return an error code.
 **/
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index dfd1f59de729..92a49c2b1fda 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -141,7 +141,7 @@ phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle)
 * if (_PRW at S-state x)
 *      choose from highest power _SxD to lowest power _SxW
 * else // no _PRW at S-state x
- *      choose highest power _SxD or any lower power
+ *      choose highest power _SxD or any lower power
 */
 static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev)
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 454853507b7e..9042fdbd7244 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -312,7 +312,7 @@ static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev,
 * __pci_device_probe - check if a driver wants to claim a specific PCI device
 * @drv: driver to call to check if it wants the PCI device
 * @pci_dev: PCI device being probed
- * 
+ *
 * returns 0 on success, else error.
 * side-effect: pci_dev->driver is set to drv when drv claims pci_dev.
 */
@@ -378,7 +378,7 @@ static int pci_device_remove(struct device * dev)
         * We would love to complain here if pci_dev->is_enabled is set, that
         * the driver should have called pci_disable_device(), but the
         * unfortunate fact is there are too many odd BIOS and bridge setups
-         * that don't like drivers doing that all of the time.  
+         * that don't like drivers doing that all of the time.
         * Oh well, we can dream of sane hardware when we sleep, no matter how
         * horrible the crap we have to deal with is when we are awake...
         */
@@ -1156,10 +1156,10 @@ static const struct dev_pm_ops pci_dev_pm_ops = {
 * @drv: the driver structure to register
 * @owner: owner module of drv
 * @mod_name: module name string
- * 
+ *
 * Adds the driver structure to the list of registered drivers.
- * Returns a negative value on error, otherwise 0. 
+ * Returns a negative value on error, otherwise 0.
- * If no error occurred, the driver remains registered even if 
+ * If no error occurred, the driver remains registered even if
 * no device was claimed during registration.
 */
 int __pci_register_driver(struct pci_driver *drv, struct module *owner,
@@ -1181,7 +1181,7 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner,
 /**
 * pci_unregister_driver - unregister a pci driver
 * @drv: the driver structure to unregister
- * 
+ *
 * Deletes the driver structure from the list of registered PCI drivers,
 * gives it a chance to clean up by calling its remove() function for
 * each device it was responsible for, and marks those devices as
@@ -1203,7 +1203,7 @@ static struct pci_driver pci_compat_driver = {
 * pci_dev_driver - get the pci_driver of a device
 * @dev: the device to query
 *
- * Returns the appropriate pci_driver structure or %NULL if there is no 
+ * Returns the appropriate pci_driver structure or %NULL if there is no
 * registered driver for the device.
 */
 struct pci_driver *
@@ -1224,7 +1224,7 @@ pci_dev_driver(const struct pci_dev *dev)
 * pci_bus_match - Tell if a PCI device structure has a matching PCI device id structure
 * @dev: the PCI device structure to match against
 * @drv: the device driver to search for matching PCI device id structures
- * 
+ *
 * Used by a driver to check whether a PCI device present in the
 * system is in its list of supported devices. Returns the matching
 * pci_device_id structure or %NULL if there is no match.
diff --git a/drivers/pci/pci-stub.c b/drivers/pci/pci-stub.c
index 6e47c519c510..2ff77509d8e5 100644
--- a/drivers/pci/pci-stub.c
+++ b/drivers/pci/pci-stub.c
@@ -2,13 +2,13 @@
 *
 * Copyright (C) 2008 Red Hat, Inc.
 * Author:
- *      Chris Wright
+ *      Chris Wright
 *
 * This work is licensed under the terms of the GNU GPL, version 2.
 *
 * Usage is simple, allocate a new id to the stub driver and bind the
 * device to it.  For example:
- * 
+ *
 * # echo "8086 10f5" > /sys/bus/pci/drivers/pci-stub/new_id
 * # echo -n 0000:00:19.0 > /sys/bus/pci/drivers/e1000e/unbind
 * # echo -n 0000:00:19.0 > /sys/bus/pci/drivers/pci-stub/bind
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 2aaa83c85a4e..c91e6c18debc 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -10,7 +10,7 @@
 *
 * File attributes for PCI devices
 *
- * Modeled after usb's driverfs.c 
+ * Modeled after usb's driverfs.c
 *
 */
@@ -270,13 +270,17 @@ msi_bus_store(struct device *dev, struct device_attribute *attr,
        if (kstrtoul(buf, 0, &val) < 0)
                return -EINVAL;
-        /* bad things may happen if the no_msi flag is changed
+        /*
-         * while some drivers are loaded */
+         * Bad things may happen if the no_msi flag is changed
+         * while drivers are loaded.
+         */
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
-        /* Maybe pci devices without subordinate busses shouldn't even have this
+        /*
-         * attribute in the first place?  */
+         * Maybe devices without subordinate buses shouldn't have this
+         * attribute in the first place?
+         */
        if (!pdev->subordinate)
                return count;
@@ -670,7 +674,7 @@ pci_write_config(struct file* filp, struct kobject *kobj,
                size = dev->cfg_size - off;
                count = size;
        }
-        
        pci_config_pm_runtime_get(dev);
        if ((off & 1) && size) {
@@ -678,7 +682,7 @@ pci_write_config(struct file* filp, struct kobject *kobj,
                off++;
                size--;
        }
-        
        if ((off & 3) && size > 2) {
                u16 val = data[off - init_off];
                val |= (u16) data[off - init_off + 1] << 8;
@@ -696,7 +700,7 @@ pci_write_config(struct file* filp, struct kobject *kobj,
                off += 4;
                size -= 4;
        }
-        
        if (size >= 2) {
                u16 val = data[off - init_off];
                val |= (u16) data[off - init_off + 1] << 8;
@@ -1229,21 +1233,21 @@ pci_read_rom(struct file *filp, struct kobject *kobj,
        if (!pdev->rom_attr_enabled)
                return -EINVAL;
-        
        rom = pci_map_rom(pdev, &size); /* size starts out as PCI window size */
        if (!rom || !size)
                return -EIO;
-                
        if (off >= size)
                count = 0;
        else {
                if (off + count > size)
                        count = size - off;
-                
                memcpy_fromio(buf, rom + off, count);
        }
        pci_unmap_rom(pdev, rom);
-                
        return count;
 }
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b127fbda6fc8..33120d156668 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -198,7 +198,7 @@ static int __pci_bus_find_cap_start(struct pci_bus *bus,
 }
 /**
- * pci_find_capability - query for devices' capabilities 
+ * pci_find_capability - query for devices' capabilities
 * @dev: PCI device to query
 * @cap: capability code
 *
@@ -207,12 +207,12 @@ static int __pci_bus_find_cap_start(struct pci_bus *bus,
 * device's PCI configuration space or 0 in case the device does not
 * support it.  Possible values for @cap:
 *
- *  %PCI_CAP_ID_PM           Power Management 
+ *  %PCI_CAP_ID_PM           Power Management
- *  %PCI_CAP_ID_AGP          Accelerated Graphics Port 
+ *  %PCI_CAP_ID_AGP          Accelerated Graphics Port
- *  %PCI_CAP_ID_VPD          Vital Product Data 
+ *  %PCI_CAP_ID_VPD          Vital Product Data
- *  %PCI_CAP_ID_SLOTID       Slot Identification 
+ *  %PCI_CAP_ID_SLOTID       Slot Identification
 *  %PCI_CAP_ID_MSI          Message Signalled Interrupts
- *  %PCI_CAP_ID_CHSWP        CompactPCI HotSwap 
+ *  %PCI_CAP_ID_CHSWP        CompactPCI HotSwap
 *  %PCI_CAP_ID_PCIX         PCI-X
 *  %PCI_CAP_ID_EXP          PCI Express
 */
@@ -228,13 +228,13 @@ int pci_find_capability(struct pci_dev *dev, int cap)
 }
 /**
- * pci_bus_find_capability - query for devices' capabilities 
+ * pci_bus_find_capability - query for devices' capabilities
 * @bus:   the PCI bus to query
 * @devfn: PCI device to query
 * @cap:   capability code
 *
 * Like pci_find_capability() but works for pci devices that do not have a
- * pci_dev structure set up yet. 
+ * pci_dev structure set up yet.
 *
 * Returns the address of the requested capability structure within the
 * device's PCI configuration space or 0 in case the device does not
@@ -515,7 +515,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
                return -EINVAL;
        /* Validate current state:
-         * Can enter D0 from any state, but if we can only go deeper 
+         * Can enter D0 from any state, but if we can only go deeper
         * to sleep if we're already in a low power state
         */
        if (state != PCI_D0 && dev->current_state <= PCI_D3cold
@@ -998,7 +998,7 @@ static void pci_restore_config_space(struct pci_dev *pdev)
        }
 }
-/** 
+/**
 * pci_restore_state - Restore the saved state of a PCI device
 * @dev: - PCI device that we're dealing with
 */
@@ -1030,7 +1030,7 @@ struct pci_saved_state {
 *                         the device saved state.
 * @dev: PCI device that we're dealing with
 *
- * Rerturn NULL if no state or error.
+ * Return NULL if no state or error.
 */
 struct pci_saved_state *pci_store_saved_state(struct pci_dev *dev)
 {
@@ -1880,7 +1880,7 @@ int pci_finish_runtime_suspend(struct pci_dev *dev)
 * pci_dev_run_wake - Check if device can generate run-time wake-up events.
 * @dev: Device to check.
 *
- * Return true if the device itself is cabable of generating wake-up events
+ * Return true if the device itself is capable of generating wake-up events
 * (through the platform or using the native PCIe PME) or if the device supports
 * PME and one of its upstream bridges can generate wake-up events.
 */
@@ -2447,7 +2447,7 @@ bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags)
        switch (pci_pcie_type(pdev)) {
        /*
         * PCI/X-to-PCIe bridges are not specifically mentioned by the spec,
-         * but since their primary inteface is PCI/X, we conservatively
+         * but since their primary interface is PCI/X, we conservatively
         * handle them as we would a non-PCIe device.
         */
        case PCI_EXP_TYPE_PCIE_BRIDGE:
@@ -2471,7 +2471,7 @@ bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags)
        /*
         * PCIe 3.0, 6.12.1.2 specifies ACS capabilities that should be
         * implemented by the remaining PCIe types to indicate peer-to-peer
-         * capabilities, but only when they are part of a multifunciton
+         * capabilities, but only when they are part of a multifunction
         * device.  The footnote for section 6.12 indicates the specific
         * PCIe types included here.
         */
@@ -2486,7 +2486,7 @@ bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags)
        }
        /*
-         * PCIe 3.0, 6.12.1.3 specifies no ACS capabilties are applicable
+         * PCIe 3.0, 6.12.1.3 specifies no ACS capabilities are applicable
         * to single function devices with the exception of downstream ports.
         */
        return true;
@@ -2622,7 +2622,7 @@ void pci_release_region(struct pci_dev *pdev, int bar)
 *
 *      If @exclusive is set, then the region is marked so that userspace
 *      is explicitly not allowed to map the resource via /dev/mem or
- *      sysfs MMIO access.
+ *      sysfs MMIO access.
 *
 *      Returns 0 on success, or %EBUSY on error.  A warning
 *      message is also printed on failure.
@@ -2634,7 +2634,7 @@ static int __pci_request_region(struct pci_dev *pdev, int bar, const char *res_n
        if (pci_resource_len(pdev, bar) == 0)
                return 0;
-                
        if (pci_resource_flags(pdev, bar) & IORESOURCE_IO) {
                if (!request_region(pci_resource_start(pdev, bar),
                            pci_resource_len(pdev, bar), res_name))
@@ -2694,7 +2694,7 @@ int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name)
 *
 *      The key difference that _exclusive makes it that userspace is
 *      explicitly not allowed to map the resource via /dev/mem or
- *      sysfs.
+ *      sysfs.
 */
 int pci_request_region_exclusive(struct pci_dev *pdev, int bar, const char *res_name)
 {
@@ -2799,7 +2799,7 @@ int pci_request_regions(struct pci_dev *pdev, const char *res_name)
 *      successfully.
 *
 *      pci_request_regions_exclusive() will mark the region so that
- *      /dev/mem and the sysfs MMIO access will not be allowed.
+ *      /dev/mem and the sysfs MMIO access will not be allowed.
 *
 *      Returns 0 on success, or %EBUSY on error.  A warning
 *      message is also printed on failure.
@@ -2967,7 +2967,7 @@ pci_set_mwi(struct pci_dev *dev)
                cmd |= PCI_COMMAND_INVALIDATE;
                pci_write_config_word(dev, PCI_COMMAND, cmd);
        }
-        
        return 0;
 }
@@ -3292,7 +3292,7 @@ clear:
 *
 * NOTE: This causes the caller to sleep for twice the device power transition
 * cooldown period, which for the D0->D3hot and D3hot->D0 transitions is 10 ms
- * by devault (i.e. unless the @dev's d3_delay field has a different value).
+ * by default (i.e. unless the @dev's d3_delay field has a different value).
 * Moreover, only devices in D0 can be reset by this function.
 */
 static int pci_pm_reset(struct pci_dev *dev, int probe)
@@ -3341,7 +3341,7 @@ void pci_reset_bridge_secondary_bus(struct pci_dev *dev)
        pci_write_config_word(dev, PCI_BRIDGE_CONTROL, ctrl);
        /*
         * PCI spec v3.0 7.6.4.2 requires minimum Trst of 1ms.  Double
-         * this to 2ms to ensure that we meet the minium requirement.
+         * this to 2ms to ensure that we meet the minimum requirement.
         */
        msleep(2);
@@ -3998,7 +3998,7 @@ int pcie_set_mps(struct pci_dev *dev, int mps)
                return -EINVAL;
        v = ffs(mps) - 8;
-        if (v > dev->pcie_mpss) 
+        if (v > dev->pcie_mpss)
                return -EINVAL;
        v <<= 5;
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 85ca36f2136d..688e48e51073 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -525,7 +525,7 @@ static void handle_error_source(struct pcie_device *aerdev,
        if (info->severity == AER_CORRECTABLE) {
                /*
-                 * Correctable error does not need software intevention.
+                 * Correctable error does not need software intervention.
                 * No need to go through error recovery process.
                 */
                pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 403a44374ed5..f1272dc54de1 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -548,7 +548,7 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev)
 /*
 * pcie_aspm_init_link_state: Initiate PCI express link state.
- * It is called after the pcie and its children devices are scaned.
+ * It is called after the pcie and its children devices are scanned.
 * @pdev: the root port or switch downstream port
 */
 void pcie_aspm_init_link_state(struct pci_dev *pdev)
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
index e56e594ce112..bbc3bdd2b189 100644
--- a/drivers/pci/pcie/pme.c
+++ b/drivers/pci/pcie/pme.c
@@ -419,8 +419,8 @@ static void pcie_pme_remove(struct pcie_device *srv)
 static struct pcie_port_service_driver pcie_pme_driver = {
        .name           = "pcie_pme",
-        .port_type      = PCI_EXP_TYPE_ROOT_PORT,
+        .port_type      = PCI_EXP_TYPE_ROOT_PORT,
-        .service        = PCIE_PORT_SERVICE_PME,
+        .service        = PCIE_PORT_SERVICE_PME,
        .probe          = pcie_pme_probe,
        .suspend        = pcie_pme_suspend,
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index d2eb80aab569..d525548404d6 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -14,7 +14,7 @@
 #define PCIE_PORT_DEVICE_MAXSERVICES   4
 /*
 * According to the PCI Express Base Specification 2.0, the indices of
- * the MSI-X table entires used by port services must not exceed 31
+ * the MSI-X table entries used by port services must not exceed 31
 */
 #define PCIE_PORT_MAX_MSIX_ENTRIES      32
diff --git a/drivers/pci/pcie/portdrv_bus.c b/drivers/pci/pcie/portdrv_bus.c
index 67be55a7f260..87e79a6ffb5a 100644
--- a/drivers/pci/pcie/portdrv_bus.c
+++ b/drivers/pci/pcie/portdrv_bus.c
@@ -18,8 +18,8 @@
 static int pcie_port_bus_match(struct device *dev, struct device_driver *drv);
 struct bus_type pcie_port_bus_type = {
-        .name           = "pci_express",
+        .name           = "pci_express",
-        .match          = pcie_port_bus_match,
+        .match          = pcie_port_bus_match,
 };
 EXPORT_SYMBOL_GPL(pcie_port_bus_type);
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 08d131f7815b..0b6e76604068 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -46,7 +46,7 @@ static void release_pcie_device(struct device *dev)
 * pcie_port_msix_add_entry - add entry to given array of MSI-X entries
 * @entries: Array of MSI-X entries
 * @new_entry: Index of the entry to add to the array
- * @nr_entries: Number of entries aleady in the array
+ * @nr_entries: Number of entries already in the array
 *
 * Return value: Position of the added entry in the array
 */
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 696caed5fdf5..cd1e57e51aa7 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -390,9 +390,9 @@ static struct pci_driver pcie_portdriver = {
        .probe          = pcie_portdrv_probe,
        .remove         = pcie_portdrv_remove,
-        .err_handler    = &pcie_portdrv_err_handler,
+        .err_handler    = &pcie_portdrv_err_handler,
-        .driver.pm      = PCIE_PORTDRV_PM_OPS,
+        .driver.pm      = PCIE_PORTDRV_PM_OPS,
 };
 static int __init dmi_pcie_pme_disable_msi(const struct dmi_system_id *d)
@@ -412,7 +412,7 @@ static struct dmi_system_id __initdata pcie_portdrv_dmi_table[] = {
         .ident = "MSI Wind U-100",
         .matches = {
                     DMI_MATCH(DMI_SYS_VENDOR,
-                                "MICRO-STAR INTERNATIONAL CO., LTD"),
+                                "MICRO-STAR INTERNATIONAL CO., LTD"),
                     DMI_MATCH(DMI_PRODUCT_NAME, "U-100"),
                     },
         },
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 5e14f5a51357..38e403dddf6e 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -582,7 +582,7 @@ static enum pci_bus_speed agp_speed(int agp3, int agpstat)
                index = 1;
        else
                goto out;
-        
        if (agp3) {
                index += 2;
                if (index == 5)
@@ -789,7 +789,7 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
        }
        /* Disable MasterAbortMode during probing to avoid reporting
-           of bus errors (in some architectures) */ 
+           of bus errors (in some architectures) */
        pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &bctl);
        pci_write_config_word(dev, PCI_BRIDGE_CONTROL,
                              bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT);
@@ -1005,7 +1005,7 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev)
 * pci_setup_device - fill in class and map information of a device
 * @dev: the device structure to fill
 *
- * Initialize the device structure with information about the device's 
+ * Initialize the device structure with information about the device's
 * vendor,class,memory and IO-space addresses,IRQ lines etc.
 * Called at initialisation of the PCI subsystem and by CardBus services.
 * Returns 0 on success and negative if unknown type of device (not normal,
@@ -1111,7 +1111,7 @@ int pci_setup_device(struct pci_dev *dev)
                        goto bad;
                /* The PCI-to-PCI bridge spec requires that subtractive
                   decoding (i.e. transparent) bridge must have programming
-                   interface code of 0x01. */ 
+                   interface code of 0x01. */
                pci_read_irq(dev);
                dev->transparent = ((dev->class & 0xff) == 1);
                pci_read_bases(dev, 2, PCI_ROM_ADDRESS1);
@@ -1570,7 +1570,7 @@ static void pcie_write_mrrs(struct pci_dev *dev)
         * subsequent read will verify if the value is acceptable or not.
         * If the MRRS value provided is not acceptable (e.g., too large),
         * shrink the value until it is acceptable to the HW.
-         */
+         */
        while (mrrs != pcie_get_readrq(dev) && mrrs >= 128) {
                rc = pcie_set_readrq(dev, mrrs);
                if (!rc)
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index cdc7836d7e3d..46d1378f2e9e 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -222,7 +222,7 @@ static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
        default:
                ret = -EINVAL;
                break;
-        };
+        }
        return ret;
 }
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 91490453c229..b3b1b9aa8863 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -55,7 +55,7 @@ static void quirk_mellanox_tavor(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR,quirk_mellanox_tavor);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR_BRIDGE,quirk_mellanox_tavor);
-/* Deal with broken BIOS'es that neglect to enable passive release,
+/* Deal with broken BIOSes that neglect to enable passive release,
   which can cause problems in combination with the 82441FX/PPro MTRRs */
 static void quirk_passive_release(struct pci_dev *dev)
 {
@@ -78,11 +78,11 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82441,	quirk_p
 /*  The VIA VP2/VP3/MVP3 seem to have some 'features'. There may be a workaround
    but VIA don't answer queries. If you happen to have good contacts at VIA
-    ask them for me please -- Alan 
+    ask them for me please -- Alan
-    
-    This appears to be BIOS not version dependent. So presumably there is a 
+    This appears to be BIOS not version dependent. So presumably there is a
    chipset level fix */
-    
 static void quirk_isa_dma_hangs(struct pci_dev *dev)
 {
        if (!isa_dma_bridge_buggy) {
@@ -97,7 +97,7 @@ static void quirk_isa_dma_hangs(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,      PCI_DEVICE_ID_VIA_82C586_0,     quirk_isa_dma_hangs);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,      PCI_DEVICE_ID_VIA_82C596,       quirk_isa_dma_hangs);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82371SB_0,  quirk_isa_dma_hangs);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL,       PCI_DEVICE_ID_AL_M1533,         quirk_isa_dma_hangs);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL,       PCI_DEVICE_ID_AL_M1533,         quirk_isa_dma_hangs);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,      PCI_DEVICE_ID_NEC_CBUS_1,       quirk_isa_dma_hangs);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,      PCI_DEVICE_ID_NEC_CBUS_2,       quirk_isa_dma_hangs);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,      PCI_DEVICE_ID_NEC_CBUS_3,       quirk_isa_dma_hangs);
@@ -157,10 +157,10 @@ static void quirk_triton(struct pci_dev *dev)
                pci_pci_problems |= PCIPCI_TRITON;
        }
 }
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82437,      quirk_triton);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82437,      quirk_triton);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82437VX,    quirk_triton);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82437VX,    quirk_triton);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82439,      quirk_triton);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82439,      quirk_triton);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82439TX,    quirk_triton);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82439TX,    quirk_triton);
 /*
 *      VIA Apollo KT133 needs PCI latency patch
@@ -171,7 +171,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 	PCI_DEVICE_ID_INTEL_82439TX, 	quir
 *      the info on which Mr Breese based his work.
 *
 *      Updated based on further information from the site and also on
- *      information provided by VIA 
+ *      information provided by VIA
 */
 static void quirk_vialatency(struct pci_dev *dev)
 {
@@ -179,7 +179,7 @@ static void quirk_vialatency(struct pci_dev *dev)
        u8 busarb;
        /* Ok we have a potential problem chipset here. Now see if we have
           a buggy southbridge */
-           
        p = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, NULL);
        if (p!=NULL) {
                /* 0x40 - 0x4f == 686B, 0x10 - 0x2f == 686A; thanks Dan Hollis */
@@ -194,9 +194,9 @@ static void quirk_vialatency(struct pci_dev *dev)
                if (p->revision < 0x10 || p->revision > 0x12)
                        goto exit;
        }
-        
        /*
-         *      Ok we have the problem. Now set the PCI master grant to 
+         *      Ok we have the problem. Now set the PCI master grant to
         *      occur every master grant. The apparent bug is that under high
         *      PCI load (quite common in Linux of course) you can get data
         *      loss when the CPU is held off the bus for 3 bus master requests
@@ -209,7 +209,7 @@ static void quirk_vialatency(struct pci_dev *dev)
         */
        pci_read_config_byte(dev, 0x76, &busarb);
-        /* Set bit 4 and bi 5 of byte 76 to 0x01 
+        /* Set bit 4 and bi 5 of byte 76 to 0x01
           "Master priority rotation on every PCI master grant */
        busarb &= ~(1<<5);
        busarb |= (1<<4);
@@ -252,7 +252,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C576,	quirk_vsfx)
 *      that DMA to AGP space. Latency must be set to 0xA and triton
 *      workaround applied too
 *      [Info kindly provided by ALi]
- */     
+ */
 static void quirk_alimagik(struct pci_dev *dev)
 {
        if ((pci_pci_problems&PCIPCI_ALIMAGIK)==0) {
@@ -260,8 +260,8 @@ static void quirk_alimagik(struct pci_dev *dev)
                pci_pci_problems |= PCIPCI_ALIMAGIK|PCIPCI_TRITON;
        }
 }
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL,       PCI_DEVICE_ID_AL_M1647,         quirk_alimagik);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL,       PCI_DEVICE_ID_AL_M1647,         quirk_alimagik);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL,       PCI_DEVICE_ID_AL_M1651,         quirk_alimagik);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL,       PCI_DEVICE_ID_AL_M1651,         quirk_alimagik);
 /*
 *      Natoma has some interesting boundary conditions with Zoran stuff
@@ -274,12 +274,12 @@ static void quirk_natoma(struct pci_dev *dev)
                pci_pci_problems |= PCIPCI_NATOMA;
        }
 }
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82441,      quirk_natoma);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82441,      quirk_natoma);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443LX_0,  quirk_natoma);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443LX_0,  quirk_natoma);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443LX_1,  quirk_natoma);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443LX_1,  quirk_natoma);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443BX_0,  quirk_natoma);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443BX_0,  quirk_natoma);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443BX_1,  quirk_natoma);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443BX_1,  quirk_natoma);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443BX_2,  quirk_natoma);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82443BX_2,  quirk_natoma);
 /*
 *  This chip can cause PCI parity errors if config register 0xA0 is read
@@ -400,7 +400,7 @@ static void piix4_io_quirk(struct pci_dev *dev, const char *name, unsigned int p
        /*
         * For now we only print it out. Eventually we'll want to
         * reserve it (at least if it's in the 0x1000+ range), but
-         * let's get enough confirmation reports first. 
+         * let's get enough confirmation reports first.
         */
        base &= -size;
        dev_info(&dev->dev, "%s PIO at %04x-%04x\n", name, base, base + size - 1);
@@ -425,7 +425,7 @@ static void piix4_mem_quirk(struct pci_dev *dev, const char *name, unsigned int
        }
        /*
         * For now we only print it out. Eventually we'll want to
-         * reserve it, but let's get enough confirmation reports first. 
+         * reserve it, but let's get enough confirmation reports first.
         */
        base &= -size;
        dev_info(&dev->dev, "%s MMIO at %04x-%04x\n", name, base, base + size - 1);
@@ -682,7 +682,7 @@ static void quirk_xio2000a(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XIO2000A,
                        quirk_xio2000a);
-#ifdef CONFIG_X86_IO_APIC 
+#ifdef CONFIG_X86_IO_APIC
 #include <asm/io_apic.h>
@@ -696,12 +696,12 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XIO2000A,
 static void quirk_via_ioapic(struct pci_dev *dev)
 {
        u8 tmp;
-        
        if (nr_ioapics < 1)
                tmp = 0;    /* nothing routed to external APIC */
        else
                tmp = 0x1f; /* all known bits (4-0) routed to external APIC */
-                
        dev_info(&dev->dev, "%sbling VIA external APIC routing\n",
               tmp == 0 ? "Disa" : "Ena");
@@ -712,7 +712,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C686,	quirk_via_i
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_VIA,       PCI_DEVICE_ID_VIA_82C686,       quirk_via_ioapic);
 /*
- * VIA 8237: Some BIOSs don't set the 'Bypass APIC De-Assert Message' Bit.
+ * VIA 8237: Some BIOSes don't set the 'Bypass APIC De-Assert Message' Bit.
 * This leads to doubled level interrupt rates.
 * Set this bit to get rid of cycle wastage.
 * Otherwise uncritical.
@@ -986,7 +986,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_CYRIX,	PCI_DEVICE_ID_CYRIX_PCI_MASTER, qu
 static void quirk_disable_pxb(struct pci_dev *pdev)
 {
        u16 config;
-        
        if (pdev->revision != 0x04)             /* Only C0 requires this */
                return;
        pci_read_config_word(pdev, 0x40, &config);
@@ -1094,11 +1094,11 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82375,	quirk_e
 * On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge
 * is not activated. The myth is that Asus said that they do not want the
 * users to be irritated by just another PCI Device in the Win98 device
- * manager. (see the file prog/hotplug/README.p4b in the lm_sensors 
+ * manager. (see the file prog/hotplug/README.p4b in the lm_sensors
 * package 2.7.0 for details)
 *
- * The SMBus PCI Device can be activated by setting a bit in the ICH LPC 
+ * The SMBus PCI Device can be activated by setting a bit in the ICH LPC
- * bridge. Unfortunately, this device has no subvendor/subdevice ID. So it 
+ * bridge. Unfortunately, this device has no subvendor/subdevice ID. So it
 * becomes necessary to do this tweak in two steps -- the chosen trigger
 * is either the Host bridge (preferred) or on-board VGA controller.
 *
@@ -1253,7 +1253,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82815_CGC,	asu
 static void asus_hides_smbus_lpc(struct pci_dev *dev)
 {
        u16 val;
-        
        if (likely(!asus_hides_smbus))
                return;
@@ -1640,8 +1640,8 @@ static void quirk_disable_intel_boot_interrupt(struct pci_dev *dev)
        dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
                 dev->vendor, dev->device);
 }
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ESB_10,      quirk_disable_intel_boot_interrupt);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ESB_10,      quirk_disable_intel_boot_interrupt);
-DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ESB_10,     quirk_disable_intel_boot_interrupt);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ESB_10,     quirk_disable_intel_boot_interrupt);
 /*
 * disable boot interrupts on HT-1000
@@ -1673,8 +1673,8 @@ static void quirk_disable_broadcom_boot_interrupt(struct pci_dev *dev)
        dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
                 dev->vendor, dev->device);
 }
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_HT1000SB,        quirk_disable_broadcom_boot_interrupt);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_HT1000SB,        quirk_disable_broadcom_boot_interrupt);
-DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_HT1000SB,       quirk_disable_broadcom_boot_interrupt);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_HT1000SB,       quirk_disable_broadcom_boot_interrupt);
 /*
 * disable boot interrupts on AMD and ATI chipsets
@@ -1730,8 +1730,8 @@ static void quirk_disable_amd_8111_boot_interrupt(struct pci_dev *dev)
        dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
                 dev->vendor, dev->device);
 }
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS,      quirk_disable_amd_8111_boot_interrupt);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS,      quirk_disable_amd_8111_boot_interrupt);
-DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS,     quirk_disable_amd_8111_boot_interrupt);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS,     quirk_disable_amd_8111_boot_interrupt);
 #endif /* CONFIG_X86_IO_APIC */
 /*
@@ -2127,8 +2127,8 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8624, quirk_tile_plx_gen1);
 #ifdef CONFIG_PCI_MSI
 /* Some chipsets do not support MSI. We cannot easily rely on setting
 * PCI_BUS_FLAGS_NO_MSI in its bus flags because there are actually
- * some other busses controlled by the chipset even if Linux is not
+ * some other buses controlled by the chipset even if Linux is not
- * aware of it.  Instead of setting the flag on all busses in the
+ * aware of it.  Instead of setting the flag on all buses in the
 * machine, simply disable MSI globally.
 */
 static void quirk_disable_all_msi(struct pci_dev *dev)
@@ -2288,14 +2288,14 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA,
                        nvenet_msi_disable);
 /*
- * Some versions of the MCP55 bridge from nvidia have a legacy irq routing
+ * Some versions of the MCP55 bridge from Nvidia have a legacy IRQ routing
- * config register.  This register controls the routing of legacy interrupts
+ * config register.  This register controls the routing of legacy
- * from devices that route through the MCP55.  If this register is misprogramed
+ * interrupts from devices that route through the MCP55.  If this register
- * interrupts are only sent to the bsp, unlike conventional systems where the
+ * is misprogrammed, interrupts are only sent to the BSP, unlike
- * irq is broadxast to all online cpus.  Not having this register set
+ * conventional systems where the IRQ is broadcast to all online CPUs.  Not
- * properly prevents kdump from booting up properly, so lets make sure that
+ * having this register set properly prevents kdump from booting up
- * we have it set correctly.
+ * properly, so let's make sure that we have it set correctly.
- * Note this is an undocumented register.
+ * Note that this is an undocumented register.
 */
 static void nvbridge_check_legacy_irq_routing(struct pci_dev *dev)
 {
@@ -2626,7 +2626,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0xe091,
 /* Allow manual resource allocation for PCI hotplug bridges
 * via pci=hpmemsize=nnM and pci=hpiosize=nnM parameters. For
 * some PCI-PCI hotplug bridges, like PLX 6254 (former HINT HB6),
- * kernel fails to allocate resources when hotplug device is 
+ * kernel fails to allocate resources when hotplug device is
 * inserted and PCI bus is rescanned.
 */
 static void quirk_hotplug_bridge(struct pci_dev *dev)
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 8fc54b7327bc..1576851028db 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -7,7 +7,7 @@ static void pci_free_resources(struct pci_dev *dev)
 {
        int i;
-        msi_remove_pci_irq_vectors(dev);
+        msi_remove_pci_irq_vectors(dev);
        pci_cleanup_rom(dev);
        for (i = 0; i < PCI_NUM_RESOURCES; i++) {
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index d0627fa9f368..3ff2ac7c14e2 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -1,5 +1,5 @@
 /*
- *      PCI searching functions.
+ *      PCI searching functions.
 *
 *      Copyright (C) 1993 -- 1997 Drew Eckhardt, Frederic Potter,
 *                                      David Mosberger-Tang
@@ -96,12 +96,12 @@ struct pci_bus * pci_find_bus(int domain, int busnr)
 * pci_find_next_bus - begin or continue searching for a PCI bus
 * @from: Previous PCI bus found, or %NULL for new search.
 *
- * Iterates through the list of known PCI busses.  A new search is
+ * Iterates through the list of known PCI buses.  A new search is
 * initiated by passing %NULL as the @from argument.  Otherwise if
 * @from is not %NULL, searches continue from next device on the
 * global list.
 */
-struct pci_bus * 
+struct pci_bus *
 pci_find_next_bus(const struct pci_bus *from)
 {
        struct list_head *n;
@@ -119,11 +119,11 @@ pci_find_next_bus(const struct pci_bus *from)
 /**
 * pci_get_slot - locate PCI device for a given PCI slot
 * @bus: PCI bus on which desired PCI device resides
- * @devfn: encodes number of PCI slot in which the desired PCI 
+ * @devfn: encodes number of PCI slot in which the desired PCI
- * device resides and the logical device number within that slot 
+ * device resides and the logical device number within that slot
 * in case of multi-function devices.
 *
- * Given a PCI bus and slot/function number, the desired PCI device 
+ * Given a PCI bus and slot/function number, the desired PCI device
 * is located in the list of PCI devices.
 * If the device is found, its reference count is increased and this
 * function returns a pointer to its data structure.  The caller must
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 4ce83b26ae9e..219a4106480a 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -292,8 +292,8 @@ static void assign_requested_resources_sorted(struct list_head *head,
                                      (!(res->flags & IORESOURCE_ROM_ENABLE))))
                                        add_to_list(fail_head,
                                                    dev_res->dev, res,
-                                                    0 /* dont care */,
+                                                    0 /* don't care */,
-                                                    0 /* dont care */);
+                                                    0 /* don't care */);
                        }
                        reset_resource(res);
                }
@@ -667,9 +667,9 @@ static void pci_bridge_check_ranges(struct pci_bus *bus)
        if (!io) {
                pci_write_config_word(bridge, PCI_IO_BASE, 0xf0f0);
                pci_read_config_word(bridge, PCI_IO_BASE, &io);
-                pci_write_config_word(bridge, PCI_IO_BASE, 0x0);
+                pci_write_config_word(bridge, PCI_IO_BASE, 0x0);
-        }
+        }
-        if (io)
+        if (io)
                b_res[0].flags |= IORESOURCE_IO;
        /*  DECchip 21050 pass 2 errata: the bridge may miss an address
            disconnect boundary by one PCI data phase.
@@ -819,7 +819,7 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
        resource_size_t min_align, align;
        if (!b_res)
-                return;
+                return;
        min_align = window_alignment(bus, IORESOURCE_IO);
        list_for_each_entry(dev, &bus->devices, bus_list) {
@@ -950,7 +950,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
                        if (realloc_head && i >= PCI_IOV_RESOURCES &&
                                        i <= PCI_IOV_RESOURCE_END) {
                                r->end = r->start - 1;
-                                add_to_list(realloc_head, dev, r, r_size, 0/* dont' care */);
+                                add_to_list(realloc_head, dev, r, r_size, 0/* don't care */);
                                children_add_size += r_size;
                                continue;
                        }
@@ -1456,8 +1456,8 @@ static enum enable_type pci_realloc_detect(struct pci_bus *bus,
 /*
 * first try will not touch pci bridge res
- * second  and later try will clear small leaf bridge res
+ * second and later try will clear small leaf bridge res
- * will stop till to the max  deepth if can not find good one
+ * will stop till to the max depth if can not find good one
 */
 void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
 {
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 07f2eddc09ce..83c4d3bc47ab 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -159,7 +159,7 @@ resource_size_t __weak pcibios_retrieve_fw_addr(struct pci_dev *dev, int idx)
        return 0;
 }
-static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev, 
+static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev,
                int resno, resource_size_t size)
 {
        struct resource *root, *conflict;
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index c1e9284a677b..448ca562d1f8 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -53,7 +53,7 @@ static ssize_t address_read_file(struct pci_slot *slot, char *buf)
 static const char *pci_bus_speed_strings[] = {
        "33 MHz PCI",           /* 0x00 */
        "66 MHz PCI",           /* 0x01 */
-        "66 MHz PCI-X",         /* 0x02 */
+        "66 MHz PCI-X",         /* 0x02 */
        "100 MHz PCI-X",        /* 0x03 */
        "133 MHz PCI-X",        /* 0x04 */
        NULL,                   /* 0x05 */
diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c
index e1c1ec540893..24750a1b39b6 100644
--- a/drivers/pci/syscall.c
+++ b/drivers/pci/syscall.c
@@ -44,7 +44,7 @@ SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn,
        default:
                err = -EINVAL;
                goto error;
-        };
+        }
        err = -EIO;
        if (cfg_ret != PCIBIOS_SUCCESSFUL)
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 87cce50bd121..009b02481436 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -26,11 +26,11 @@ struct msi_desc {
        struct {
                __u8    is_msix : 1;
                __u8    multiple: 3;    /* log2 number of messages */
-                __u8    maskbit : 1;    /* mask-pending bit supported ?   */
+                __u8    maskbit : 1;    /* mask-pending bit supported ? */
-                __u8    is_64   : 1;    /* Address size: 0=32bit 1=64bit  */
+                __u8    is_64   : 1;    /* Address size: 0=32bit 1=64bit */
-                __u8    pos;            /* Location of the msi capability */
+                __u8    pos;            /* Location of the msi capability */
-                __u16   entry_nr;       /* specific enabled entry         */
+                __u16   entry_nr;       /* specific enabled entry */
-                unsigned default_irq;   /* default pre-assigned irq       */
+                unsigned default_irq;   /* default pre-assigned irq */
        } msi_attrib;
        u32 masked;                     /* mask bits */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 835ec7bf6c05..1084a15175e0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -32,7 +32,6 @@
 #include <linux/irqreturn.h>
 #include <uapi/linux/pci.h>
-/* Include the ID list */
 #include <linux/pci_ids.h>
 /*
@@ -42,9 +41,10 @@
 *
 *      7:3 = slot
 *      2:0 = function
- * PCI_DEVFN(), PCI_SLOT(), and PCI_FUNC() are defined uapi/linux/pci.h
+ *
+ * PCI_DEVFN(), PCI_SLOT(), and PCI_FUNC() are defined in uapi/linux/pci.h.
 * In the interest of not exposing interfaces to user-space unnecessarily,
- * the following kernel only defines are being added here.
+ * the following kernel-only defines are being added here.
 */
 #define PCI_DEVID(bus, devfn)  ((((u16)bus) << 8) | devfn)
 /* return bus from PCI devid = ((u16)bus_number) << 8) | devfn */
@@ -153,10 +153,10 @@ enum pcie_reset_state {
        /* Reset is NOT asserted (Use to deassert reset) */
        pcie_deassert_reset = (__force pcie_reset_state_t) 1,
-        /* Use #PERST to reset PCI-E device */
+        /* Use #PERST to reset PCIe device */
        pcie_warm_reset = (__force pcie_reset_state_t) 2,
-        /* Use PCI-E Hot Reset to reset device */
+        /* Use PCIe Hot Reset to reset device */
        pcie_hot_reset = (__force pcie_reset_state_t) 3
 };
@@ -259,13 +259,13 @@ struct pci_dev {
        unsigned int    class;          /* 3 bytes: (base,sub,prog-if) */
        u8              revision;       /* PCI revision, low byte of class word */
        u8              hdr_type;       /* PCI header type (`multi' flag masked out) */
-        u8              pcie_cap;       /* PCI-E capability offset */
+        u8              pcie_cap;       /* PCIe capability offset */
        u8              msi_cap;        /* MSI capability offset */
        u8              msix_cap;       /* MSI-X capability offset */
-        u8              pcie_mpss:3;    /* PCI-E Max Payload Size Supported */
+        u8              pcie_mpss:3;    /* PCIe Max Payload Size Supported */
        u8              rom_base_reg;   /* which config register controls the ROM */
-        u8              pin;            /* which interrupt pin this device uses */
+        u8              pin;            /* which interrupt pin this device uses */
-        u16             pcie_flags_reg; /* cached PCI-E Capabilities Register */
+        u16             pcie_flags_reg; /* cached PCIe Capabilities Register */
        struct pci_driver *driver;      /* which driver has allocated this device */
        u64             dma_mask;       /* Mask of the bits of bus address this
@@ -300,7 +300,7 @@ struct pci_dev {
        unsigned int    d3cold_delay;   /* D3cold->D0 transition time in ms */
 #ifdef CONFIG_PCIEASPM
-        struct pcie_link_state  *link_state;    /* ASPM link state. */
+        struct pcie_link_state  *link_state;    /* ASPM link state */
 #endif
        pci_channel_state_t error_state;        /* current connectivity state */
@@ -317,7 +317,7 @@ struct pci_dev {
        bool match_driver;              /* Skip attaching driver */
        /* These fields are used by common fixups */
-        unsigned int    transparent:1;  /* Transparent PCI bridge */
+        unsigned int    transparent:1;  /* Subtractive decode PCI bridge */
        unsigned int    multifunction:1;/* Part of multi-function device */
        /* keep track of device state */
        unsigned int    is_added:1;
@@ -326,7 +326,7 @@ struct pci_dev {
        unsigned int    block_cfg_access:1;     /* config space access is blocked */
        unsigned int    broken_parity_status:1; /* Device generates false positive parity */
        unsigned int    irq_reroute_variant:2;  /* device needs IRQ rerouting variant */
-        unsigned int    msi_enabled:1;
+        unsigned int    msi_enabled:1;
        unsigned int    msix_enabled:1;
        unsigned int    ari_enabled:1;  /* ARI forwarding */
        unsigned int    is_managed:1;
@@ -371,7 +371,6 @@ static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
        if (dev->is_virtfn)
                dev = dev->physfn;
 #endif
        return dev;
 }
@@ -456,7 +455,7 @@ struct pci_bus {
        char            name[48];
        unsigned short  bridge_ctl;     /* manage NO_ISA/FBB/et al behaviors */
-        pci_bus_flags_t bus_flags;      /* Inherited by child busses */
+        pci_bus_flags_t bus_flags;      /* inherited by child buses */
        struct device           *bridge;
        struct device           dev;
        struct bin_attribute    *legacy_io; /* legacy I/O for this bus */
@@ -468,7 +467,7 @@ struct pci_bus {
 #define to_pci_bus(n)   container_of(n, struct pci_bus, dev)
 /*
- * Returns true if the pci bus is root (behind host-pci bridge),
+ * Returns true if the PCI bus is root (behind host-PCI bridge),
 * false otherwise
 *
 * Some code assumes that "bus->self == NULL" means that bus is a root bus.
@@ -510,7 +509,7 @@ static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false;
 #define PCIBIOS_BUFFER_TOO_SMALL        0x89
 /*
- * Translate above to generic errno for passing back through non-pci.
+ * Translate above to generic errno for passing back through non-PCI code.
 */
 static inline int pcibios_err_to_errno(int err)
 {
@@ -561,11 +560,12 @@ struct pci_dynids {
        struct list_head list;      /* for IDs added at runtime */
 };
-/* ---------------------------------------------------------------- */
-/** PCI Error Recovery System (PCI-ERS).  If a PCI device driver provides
+/*
- *  a set of callbacks in struct pci_error_handlers, then that device driver
+ * PCI Error Recovery System (PCI-ERS).  If a PCI device driver provides
- *  will be notified of PCI bus errors, and will be driven to recovery
+ * a set of callbacks in struct pci_error_handlers, that device driver
- *  when an error occurs.
+ * will be notified of PCI bus errors, and will be driven to recovery
+ * when an error occurs.
 */
 typedef unsigned int __bitwise pci_ers_result_t;
@@ -609,7 +609,6 @@ struct pci_error_handlers {
        void (*resume)(struct pci_dev *dev);
 };
-/* ---------------------------------------------------------------- */
 struct module;
 struct pci_driver {
@@ -713,10 +712,10 @@ extern enum pcie_bus_config_types pcie_bus_config;
 extern struct bus_type pci_bus_type;
-/* Do NOT directly access these two variables, unless you are arch specific pci
+/* Do NOT directly access these two variables, unless you are arch-specific PCI
- * code, or pci core code. */
+ * code, or PCI core code. */
 extern struct list_head pci_root_buses; /* list of all known PCI buses */
-/* Some device drivers need know if pci is initiated */
+/* Some device drivers need know if PCI is initiated */
 int no_pci_devices(void);
 void pcibios_resource_survey_bus(struct pci_bus *bus);
@@ -724,7 +723,7 @@ void pcibios_add_bus(struct pci_bus *bus);
 void pcibios_remove_bus(struct pci_bus *bus);
 void pcibios_fixup_bus(struct pci_bus *);
 int __must_check pcibios_enable_device(struct pci_dev *, int mask);
-/* Architecture specific versions may override this (weak) */
+/* Architecture-specific versions may override this (weak) */
 char *pcibios_setup(char *str);
 /* Used only when drivers/pci/setup.c is used */
@@ -1258,7 +1257,7 @@ void pci_cfg_access_unlock(struct pci_dev *dev);
 /*
 * PCI domain support.  Sometimes called PCI segment (eg by ACPI),
- * a PCI domain is defined to be a set of PCI busses which share
+ * a PCI domain is defined to be a set of PCI buses which share
 * configuration space.
 */
 #ifdef CONFIG_PCI_DOMAINS
@@ -1672,7 +1671,7 @@ extern u8 pci_cache_line_size;
 extern unsigned long pci_hotplug_io_size;
 extern unsigned long pci_hotplug_mem_size;
-/* Architecture specific versions may override these (weak) */
+/* Architecture-specific versions may override these (weak) */
 int pcibios_add_platform_entries(struct pci_dev *dev);
 void pcibios_disable_device(struct pci_dev *dev);
 void pcibios_set_master(struct pci_dev *dev);
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index 430dd963707b..a2e2f1d17e16 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -39,8 +39,8 @@
 * @hardware_test: Called to run a specified hardware test on the specified
 * slot.
 * @get_power_status: Called to get the current power status of a slot.
- *      If this field is NULL, the value passed in the struct hotplug_slot_info
+ *      If this field is NULL, the value passed in the struct hotplug_slot_info
- *      will be used when this value is requested by a user.
+ *      will be used when this value is requested by a user.
 * @get_attention_status: Called to get the current attention status of a slot.
 *      If this field is NULL, the value passed in the struct hotplug_slot_info
 *      will be used when this value is requested by a user.
@@ -191,4 +191,3 @@ static inline int pci_get_hp_params(struct pci_dev *dev,
 void pci_configure_slot(struct pci_dev *dev);
 #endif
diff --git a/include/linux/pcieport_if.h b/include/linux/pcieport_if.h
index 9572669eea97..4f1089f2cc98 100644
--- a/include/linux/pcieport_if.h
+++ b/include/linux/pcieport_if.h
@@ -23,7 +23,7 @@
 #define PCIE_PORT_SERVICE_VC            (1 << PCIE_PORT_SERVICE_VC_SHIFT)
 struct pcie_device {
-        int             irq;        /* Service IRQ/MSI/MSI-X Vector */
+        int             irq;        /* Service IRQ/MSI/MSI-X Vector */
        struct pci_dev *port;       /* Root/Upstream/Downstream Port */
        u32             service;    /* Port service this device represents */
        void            *priv_data; /* Service Private Data */
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 0890556f779e..4a98e85438a7 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -13,10 +13,10 @@
 *      PCI to PCI Bridge Specification
 *      PCI System Design Guide
 *
- *      For hypertransport information, please consult the following manuals
+ *      For HyperTransport information, please consult the following manuals
- *      from http://www.hypertransport.org
+ *      from http://www.hypertransport.org
 *
- *      The Hypertransport I/O Link Specification
+ *      The HyperTransport I/O Link Specification
 */
 #ifndef LINUX_PCI_REGS_H
@@ -37,7 +37,7 @@
 #define  PCI_COMMAND_INVALIDATE 0x10    /* Use memory write and invalidate */
 #define  PCI_COMMAND_VGA_PALETTE 0x20   /* Enable palette snooping */
 #define  PCI_COMMAND_PARITY     0x40    /* Enable parity checking */
-#define  PCI_COMMAND_WAIT       0x80    /* Enable address/data stepping */
+#define  PCI_COMMAND_WAIT       0x80    /* Enable address/data stepping */
 #define  PCI_COMMAND_SERR       0x100   /* Enable SERR */
 #define  PCI_COMMAND_FAST_BACK  0x200   /* Enable back-to-back writes */
 #define  PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
@@ -45,7 +45,7 @@
 #define PCI_STATUS              0x06    /* 16 bits */
 #define  PCI_STATUS_INTERRUPT   0x08    /* Interrupt status */
 #define  PCI_STATUS_CAP_LIST    0x10    /* Support Capability List */
-#define  PCI_STATUS_66MHZ       0x20    /* Support 66 Mhz PCI 2.1 bus */
+#define  PCI_STATUS_66MHZ       0x20    /* Support 66 MHz PCI 2.1 bus */
 #define  PCI_STATUS_UDF         0x40    /* Support User Definable Features [obsolete] */
 #define  PCI_STATUS_FAST_BACK   0x80    /* Accept fast-back to back */
 #define  PCI_STATUS_PARITY      0x100   /* Detected parity error */
@@ -205,14 +205,14 @@
 #define  PCI_CAP_ID_CHSWP       0x06    /* CompactPCI HotSwap */
 #define  PCI_CAP_ID_PCIX        0x07    /* PCI-X */
 #define  PCI_CAP_ID_HT          0x08    /* HyperTransport */
-#define  PCI_CAP_ID_VNDR        0x09    /* Vendor specific */
+#define  PCI_CAP_ID_VNDR        0x09    /* Vendor-Specific */
 #define  PCI_CAP_ID_DBG         0x0A    /* Debug port */
 #define  PCI_CAP_ID_CCRC        0x0B    /* CompactPCI Central Resource Control */
-#define  PCI_CAP_ID_SHPC        0x0C    /* PCI Standard Hot-Plug Controller */
+#define  PCI_CAP_ID_SHPC        0x0C    /* PCI Standard Hot-Plug Controller */
 #define  PCI_CAP_ID_SSVID       0x0D    /* Bridge subsystem vendor/device ID */
 #define  PCI_CAP_ID_AGP3        0x0E    /* AGP Target PCI-PCI bridge */
 #define  PCI_CAP_ID_SECDEV      0x0F    /* Secure Device */
-#define  PCI_CAP_ID_EXP         0x10    /* PCI Express */
+#define  PCI_CAP_ID_EXP         0x10    /* PCI Express */
 #define  PCI_CAP_ID_MSIX        0x11    /* MSI-X */
 #define  PCI_CAP_ID_SATA        0x12    /* SATA Data/Index Conf. */
 #define  PCI_CAP_ID_AF          0x13    /* PCI Advanced Features */
@@ -268,8 +268,8 @@
 #define  PCI_AGP_COMMAND_RQ_MASK 0xff000000  /* Master: Maximum number of requests */
 #define  PCI_AGP_COMMAND_SBA    0x0200  /* Sideband addressing enabled */
 #define  PCI_AGP_COMMAND_AGP    0x0100  /* Allow processing of AGP transactions */
-#define  PCI_AGP_COMMAND_64BIT  0x0020  /* Allow processing of 64-bit addresses */
+#define  PCI_AGP_COMMAND_64BIT  0x0020  /* Allow processing of 64-bit addresses */
-#define  PCI_AGP_COMMAND_FW     0x0010  /* Force FW transfers */
+#define  PCI_AGP_COMMAND_FW     0x0010  /* Force FW transfers */
 #define  PCI_AGP_COMMAND_RATE4  0x0004  /* Use 4x rate */
 #define  PCI_AGP_COMMAND_RATE2  0x0002  /* Use 2x rate */
 #define  PCI_AGP_COMMAND_RATE1  0x0001  /* Use 1x rate */
@@ -321,7 +321,7 @@
 #define  PCI_MSIX_PBA_OFFSET    0xfffffff8 /* Offset into specified BAR */
 #define PCI_CAP_MSIX_SIZEOF     12      /* size of MSIX registers */
-/* MSI-X entry's format */
+/* MSI-X Table entry format */
 #define PCI_MSIX_ENTRY_SIZE             16
 #define  PCI_MSIX_ENTRY_LOWER_ADDR      0
 #define  PCI_MSIX_ENTRY_UPPER_ADDR      4
@@ -372,7 +372,7 @@
 #define  PCI_X_CMD_SPLIT_16     0x0060  /* Max 16 */
 #define  PCI_X_CMD_SPLIT_32     0x0070  /* Max 32 */
 #define  PCI_X_CMD_MAX_SPLIT    0x0070  /* Max Outstanding Split Transactions */
-#define  PCI_X_CMD_VERSION(x)   (((x) >> 12) & 3) /* Version */
+#define  PCI_X_CMD_VERSION(x)   (((x) >> 12) & 3) /* Version */
 #define PCI_X_STATUS            4       /* PCI-X capabilities */
 #define  PCI_X_STATUS_DEVFN     0x000000ff      /* A copy of devfn */
 #define  PCI_X_STATUS_BUS       0x0000ff00      /* A copy of bus nr */
@@ -407,8 +407,8 @@
 /* PCI Bridge Subsystem ID registers */
-#define PCI_SSVID_VENDOR_ID     4       /* PCI-Bridge subsystem vendor id register */
+#define PCI_SSVID_VENDOR_ID     4       /* PCI Bridge subsystem vendor ID */
-#define PCI_SSVID_DEVICE_ID     6       /* PCI-Bridge subsystem device id register */
+#define PCI_SSVID_DEVICE_ID     6       /* PCI Bridge subsystem device ID */
 /* PCI Express capability registers */
@@ -484,12 +484,12 @@
 #define  PCI_EXP_LNKCTL_CLKREQ_EN 0x0100 /* Enable clkreq */
 #define  PCI_EXP_LNKCTL_HAWD    0x0200  /* Hardware Autonomous Width Disable */
 #define  PCI_EXP_LNKCTL_LBMIE   0x0400  /* Link Bandwidth Management Interrupt Enable */
-#define  PCI_EXP_LNKCTL_LABIE   0x0800  /* Lnk Autonomous Bandwidth Interrupt Enable */
+#define  PCI_EXP_LNKCTL_LABIE   0x0800  /* Link Autonomous Bandwidth Interrupt Enable */
 #define PCI_EXP_LNKSTA          18      /* Link Status */
 #define  PCI_EXP_LNKSTA_CLS     0x000f  /* Current Link Speed */
 #define  PCI_EXP_LNKSTA_CLS_2_5GB 0x0001 /* Current Link Speed 2.5GT/s */
 #define  PCI_EXP_LNKSTA_CLS_5_0GB 0x0002 /* Current Link Speed 5.0GT/s */
-#define  PCI_EXP_LNKSTA_NLW     0x03f0  /* Nogotiated Link Width */
+#define  PCI_EXP_LNKSTA_NLW     0x03f0  /* Negotiated Link Width */
 #define  PCI_EXP_LNKSTA_NLW_SHIFT 4     /* start of NLW mask in link status */
 #define  PCI_EXP_LNKSTA_LT      0x0800  /* Link Training */
 #define  PCI_EXP_LNKSTA_SLC     0x1000  /* Slot Clock Configuration */
@@ -593,7 +593,7 @@
 #define PCI_EXT_CAP_ID_MFVC     0x08    /* Multi-Function VC Capability */
 #define PCI_EXT_CAP_ID_VC9      0x09    /* same as _VC */
 #define PCI_EXT_CAP_ID_RCRB     0x0A    /* Root Complex RB? */
-#define PCI_EXT_CAP_ID_VNDR     0x0B    /* Vendor Specific */
+#define PCI_EXT_CAP_ID_VNDR     0x0B    /* Vendor-Specific */
 #define PCI_EXT_CAP_ID_CAC      0x0C    /* Config Access - obsolete */
 #define PCI_EXT_CAP_ID_ACS      0x0D    /* Access Control Services */
 #define PCI_EXT_CAP_ID_ARI      0x0E    /* Alternate Routing ID */
@@ -602,12 +602,12 @@
 #define PCI_EXT_CAP_ID_MRIOV    0x11    /* Multi Root I/O Virtualization */
 #define PCI_EXT_CAP_ID_MCAST    0x12    /* Multicast */
 #define PCI_EXT_CAP_ID_PRI      0x13    /* Page Request Interface */
-#define PCI_EXT_CAP_ID_AMD_XXX  0x14    /* reserved for AMD */
+#define PCI_EXT_CAP_ID_AMD_XXX  0x14    /* Reserved for AMD */
-#define PCI_EXT_CAP_ID_REBAR    0x15    /* resizable BAR */
+#define PCI_EXT_CAP_ID_REBAR    0x15    /* Resizable BAR */
-#define PCI_EXT_CAP_ID_DPA      0x16    /* dynamic power alloc */
+#define PCI_EXT_CAP_ID_DPA      0x16    /* Dynamic Power Allocation */
-#define PCI_EXT_CAP_ID_TPH      0x17    /* TPH request */
+#define PCI_EXT_CAP_ID_TPH      0x17    /* TPH Requester */
-#define PCI_EXT_CAP_ID_LTR      0x18    /* latency tolerance reporting */
+#define PCI_EXT_CAP_ID_LTR      0x18    /* Latency Tolerance Reporting */
-#define PCI_EXT_CAP_ID_SECPCI   0x19    /* Secondary PCIe */
+#define PCI_EXT_CAP_ID_SECPCI   0x19    /* Secondary PCIe Capability */
 #define PCI_EXT_CAP_ID_PMUX     0x1A    /* Protocol Multiplexing */
 #define PCI_EXT_CAP_ID_PASID    0x1B    /* Process Address Space ID */
 #define PCI_EXT_CAP_ID_MAX      PCI_EXT_CAP_ID_PASID
@@ -667,9 +667,9 @@
 #define PCI_ERR_ROOT_COR_RCV            0x00000001      /* ERR_COR Received */
 /* Multi ERR_COR Received */
 #define PCI_ERR_ROOT_MULTI_COR_RCV      0x00000002
-/* ERR_FATAL/NONFATAL Recevied */
+/* ERR_FATAL/NONFATAL Received */
 #define PCI_ERR_ROOT_UNCOR_RCV          0x00000004
-/* Multi ERR_FATAL/NONFATAL Recevied */
+/* Multi ERR_FATAL/NONFATAL Received */
 #define PCI_ERR_ROOT_MULTI_UNCOR_RCV    0x00000008
 #define PCI_ERR_ROOT_FIRST_FATAL        0x00000010      /* First Fatal */
 #define PCI_ERR_ROOT_NONFATAL_RCV       0x00000020      /* Non-Fatal Received */
@@ -678,7 +678,7 @@
 /* Virtual Channel */
 #define PCI_VC_PORT_REG1        4
-#define  PCI_VC_REG1_EVCC       0x7     /* extended vc count */
+#define  PCI_VC_REG1_EVCC       0x7     /* extended VC count */
 #define PCI_VC_PORT_REG2        8
 #define  PCI_VC_REG2_32_PHASE   0x2
 #define  PCI_VC_REG2_64_PHASE   0x4
@@ -711,7 +711,7 @@
 #define  PCI_VNDR_HEADER_LEN(x) (((x) >> 20) & 0xfff)
 /*
- * Hypertransport sub capability types
+ * HyperTransport sub capability types
 *
 * Unfortunately there are both 3 bit and 5 bit capability types defined
 * in the HT spec, catering for that is a little messy. You probably don't
@@ -739,8 +739,8 @@
 #define HT_CAPTYPE_DIRECT_ROUTE 0xB0    /* Direct routing configuration */
 #define HT_CAPTYPE_VCSET        0xB8    /* Virtual Channel configuration */
 #define HT_CAPTYPE_ERROR_RETRY  0xC0    /* Retry on error configuration */
-#define HT_CAPTYPE_GEN3         0xD0    /* Generation 3 hypertransport configuration */
+#define HT_CAPTYPE_GEN3         0xD0    /* Generation 3 HyperTransport configuration */
-#define HT_CAPTYPE_PM           0xE0    /* Hypertransport powermanagement configuration */
+#define HT_CAPTYPE_PM           0xE0    /* HyperTransport power management configuration */
 #define HT_CAP_SIZEOF_LONG      28      /* slave & primary */
 #define HT_CAP_SIZEOF_SHORT     24      /* host & secondary */
@@ -777,14 +777,14 @@
 #define PCI_PRI_ALLOC_REQ       0x0c    /* PRI max reqs allowed */
 #define PCI_EXT_CAP_PRI_SIZEOF  16
-/* PASID capability */
+/* Process Address Space ID */
 #define PCI_PASID_CAP           0x04    /* PASID feature register */
 #define  PCI_PASID_CAP_EXEC     0x02    /* Exec permissions Supported */
-#define  PCI_PASID_CAP_PRIV     0x04    /* Priviledge Mode Supported */
+#define  PCI_PASID_CAP_PRIV     0x04    /* Privilege Mode Supported */
 #define PCI_PASID_CTRL          0x06    /* PASID control register */
 #define  PCI_PASID_CTRL_ENABLE  0x01    /* Enable bit */
 #define  PCI_PASID_CTRL_EXEC    0x02    /* Exec permissions Enable */
-#define  PCI_PASID_CTRL_PRIV    0x04    /* Priviledge Mode Enable */
+#define  PCI_PASID_CTRL_PRIV    0x04    /* Privilege Mode Enable */
 #define PCI_EXT_CAP_PASID_SIZEOF        8
 /* Single Root I/O Virtualization */
@@ -839,22 +839,22 @@
 #define PCI_ACS_CTRL            0x06    /* ACS Control Register */
 #define PCI_ACS_EGRESS_CTL_V    0x08    /* ACS Egress Control Vector */
-#define PCI_VSEC_HDR            4       /* extended cap - vendor specific */
+#define PCI_VSEC_HDR            4       /* extended cap - vendor-specific */
 #define  PCI_VSEC_HDR_LEN_SHIFT 20      /* shift for length field */
-/* sata capability */
+/* SATA capability */
 #define PCI_SATA_REGS           4       /* SATA REGs specifier */
 #define  PCI_SATA_REGS_MASK     0xF     /* location - BAR#/inline */
 #define  PCI_SATA_REGS_INLINE   0xF     /* REGS in config space */
 #define PCI_SATA_SIZEOF_SHORT   8
 #define PCI_SATA_SIZEOF_LONG    16
-/* resizable BARs */
+/* Resizable BARs */
 #define PCI_REBAR_CTRL          8       /* control register */
 #define  PCI_REBAR_CTRL_NBAR_MASK       (7 << 5)        /* mask for # bars */
 #define  PCI_REBAR_CTRL_NBAR_SHIFT      5       /* shift for # bars */
-/* dynamic power allocation */
+/* Dynamic Power Allocation */
 #define PCI_DPA_CAP             4       /* capability register */
 #define  PCI_DPA_CAP_SUBSTATE_MASK      0x1F    /* # substates - 1 */
 #define PCI_DPA_BASE_SIZEOF     16      /* size with 0 substates */
author	Bjorn Helgaas <bhelgaas@google.com>	2013-11-14 13:28:18 -0500
committer	Bjorn Helgaas <bhelgaas@google.com>	2013-11-14 13:28:18 -0500
commit	f7625980f5820edd1a73536e1a03bcbc1f889fec (patch)
tree	145e76f39b3e1d08d3e7a48a0993c0cd59088cc6
parent	4fbf888accb39af423f271111d44e8186f053723 (diff)