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-rw-r--r--drivers/pci/hotplug/cpqphp_core.c3
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c10
-rw-r--r--drivers/pci/hotplug/pciehp_core.c9
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c2
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c21
5 files changed, 22 insertions, 23 deletions
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index 74f3a0695b43..ec009a7dba20 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -867,7 +867,8 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
if ((pdev->revision <= 2) && (vendor_id != PCI_VENDOR_ID_INTEL)) {
err(msg_HPC_not_supported);
- return -ENODEV;
+ rc = -ENODEV;
+ goto err_disable_device;
}
/* TODO: This code can be made to support non-Compaq or Intel
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index fea0b8b33589..56013d0daf7f 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -23,6 +23,9 @@
*
* Send feedback to <kristen.c.accardi@intel.com>
*
+ * Authors:
+ * Greg Kroah-Hartman <greg@kroah.com>
+ * Scott Murray <scottm@somanetworks.com>
*/
#include <linux/module.h> /* try_module_get & module_put */
@@ -50,15 +53,9 @@
#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
-
/* local variables */
static bool debug;
-#define DRIVER_VERSION "0.5"
-#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Scott Murray <scottm@somanetworks.com>"
-#define DRIVER_DESC "PCI Hot Plug PCI Core"
-
-
static LIST_HEAD(pci_hotplug_slot_list);
static DEFINE_MUTEX(pci_hp_mutex);
@@ -534,7 +531,6 @@ static int __init pci_hotplug_init(void)
return result;
}
- info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
return result;
}
device_initcall(pci_hotplug_init);
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 7d32fa33dcef..35d84845d5af 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -25,6 +25,10 @@
*
* Send feedback to <greg@kroah.com>, <kristen.c.accardi@intel.com>
*
+ * Authors:
+ * Dan Zink <dan.zink@compaq.com>
+ * Greg Kroah-Hartman <greg@kroah.com>
+ * Dely Sy <dely.l.sy@intel.com>"
*/
#include <linux/moduleparam.h>
@@ -42,10 +46,6 @@ bool pciehp_poll_mode;
int pciehp_poll_time;
static bool pciehp_force;
-#define DRIVER_VERSION "0.4"
-#define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
-#define DRIVER_DESC "PCI Express Hot Plug Controller Driver"
-
/*
* not really modular, but the easiest way to keep compat with existing
* bootargs behaviour is to continue using module_param here.
@@ -333,7 +333,6 @@ static int __init pcied_init(void)
retval = pcie_port_service_register(&hpdriver_portdrv);
dbg("pcie_port_service_register = %d\n", retval);
- info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
if (retval)
dbg("Failure to register service\n");
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index ffd3fe6646c2..10c9c0ba8ff2 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -416,7 +416,7 @@ int pciehp_enable_slot(struct slot *p_slot)
if (getstatus) {
ctrl_info(ctrl, "Slot(%s): Already enabled\n",
slot_name(p_slot));
- return -EINVAL;
+ return 0;
}
}
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index b57fc6d6e28a..026830a138ae 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -620,8 +620,18 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id)
pciehp_queue_interrupt_event(slot, INT_BUTTON_PRESS);
}
- /* Check Presence Detect Changed */
- if (events & PCI_EXP_SLTSTA_PDC) {
+ /*
+ * Check Link Status Changed at higher precedence than Presence
+ * Detect Changed. The PDS value may be set to "card present" from
+ * out-of-band detection, which may be in conflict with a Link Down
+ * and cause the wrong event to queue.
+ */
+ if (events & PCI_EXP_SLTSTA_DLLSC) {
+ ctrl_info(ctrl, "Slot(%s): Link %s\n", slot_name(slot),
+ link ? "Up" : "Down");
+ pciehp_queue_interrupt_event(slot, link ? INT_LINK_UP :
+ INT_LINK_DOWN);
+ } else if (events & PCI_EXP_SLTSTA_PDC) {
present = !!(status & PCI_EXP_SLTSTA_PDS);
ctrl_info(ctrl, "Slot(%s): Card %spresent\n", slot_name(slot),
present ? "" : "not ");
@@ -636,13 +646,6 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id)
pciehp_queue_interrupt_event(slot, INT_POWER_FAULT);
}
- if (events & PCI_EXP_SLTSTA_DLLSC) {
- ctrl_info(ctrl, "Slot(%s): Link %s\n", slot_name(slot),
- link ? "Up" : "Down");
- pciehp_queue_interrupt_event(slot, link ? INT_LINK_UP :
- INT_LINK_DOWN);
- }
-
return IRQ_HANDLED;
}