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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 15:49:57 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 15:49:57 -0800
commita3ea9b584ed2acdeae817f0dc91a5880e0828a05 (patch)
tree5b4ef9b10c05aa84419a6ba6187d0dcd14654c97 /drivers/pci/hotplug/cpqphp_core.c
parent554f593d6c411e717a71ffdcb0cfb46bb2394502 (diff)
parentb2e6e3ba7deb525f180df64f32f3fcb214538bea (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (49 commits) [PATCH] acpiphp: fix acpi_path_name [PATCH] ibmphp: remove TRUE and FALSE [PATCH] PCI Hotplug: add common acpi functions to core [PATCH] PCI: kzalloc() conversion in drivers/pci [PATCH] acpiphp: Scan slots under the nested P2P bridge [PATCH] PCI Hotplug: SN: Fix cleanup on hotplug removal of PPB [PATCH] shpchp: cleanup bus speed handling [PATCH] PCI: fix pci_request_region[s] arg [PATCH] PCI: Provide a boot parameter to disable MSI [PATCH] PCI: the scheduled removal of PCI_LEGACY_PROC [PATCH] PCI: cpqphp_ctrl.c: board_replaced(): remove dead code [PATCH] acpiphp: fix bridge handle [PATCH] acpiphp - slot management fix - V4 [PATCH] acpi: remove dock event handling from ibm_acpi [PATCH] acpiphp: add dock event handling [PATCH] acpi: export acpi_bus_trim [PATCH] acpiphp: add new bus to acpi [PATCH] PCI: Move pci_dev_put outside a spinlock [PATCH] PCI: PCI/Cardbus cards hidden, needs pci=assign-busses to fix [PATCH] PCI: fix problems with MSI-X on ia64 ...
Diffstat (limited to 'drivers/pci/hotplug/cpqphp_core.c')
-rw-r--r--drivers/pci/hotplug/cpqphp_core.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index b3659ffccac9..9bc1deb8df52 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -347,26 +347,22 @@ static int ctrl_slot_setup(struct controller *ctrl,
slot_number = ctrl->first_slot;
while (number_of_slots) {
- slot = kmalloc(sizeof(*slot), GFP_KERNEL);
+ slot = kzalloc(sizeof(*slot), GFP_KERNEL);
if (!slot)
goto error;
- memset(slot, 0, sizeof(struct slot));
- slot->hotplug_slot = kmalloc(sizeof(*(slot->hotplug_slot)),
+ slot->hotplug_slot = kzalloc(sizeof(*(slot->hotplug_slot)),
GFP_KERNEL);
if (!slot->hotplug_slot)
goto error_slot;
hotplug_slot = slot->hotplug_slot;
- memset(hotplug_slot, 0, sizeof(struct hotplug_slot));
hotplug_slot->info =
- kmalloc(sizeof(*(hotplug_slot->info)),
+ kzalloc(sizeof(*(hotplug_slot->info)),
GFP_KERNEL);
if (!hotplug_slot->info)
goto error_hpslot;
hotplug_slot_info = hotplug_slot->info;
- memset(hotplug_slot_info, 0,
- sizeof(struct hotplug_slot_info));
hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
if (!hotplug_slot->name)
@@ -599,7 +595,7 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
hp_slot = func->device - ctrl->slot_device_offset;
// Wait for exclusive access to hardware
- down(&ctrl->crit_sect);
+ mutex_lock(&ctrl->crit_sect);
if (status == 1) {
amber_LED_on (ctrl, hp_slot);
@@ -607,7 +603,7 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
amber_LED_off (ctrl, hp_slot);
} else {
// Done with exclusive hardware access
- up(&ctrl->crit_sect);
+ mutex_unlock(&ctrl->crit_sect);
return(1);
}
@@ -617,7 +613,7 @@ cpqhp_set_attention_status(struct controller *ctrl, struct pci_func *func,
wait_for_ctrl_irq (ctrl);
// Done with exclusive hardware access
- up(&ctrl->crit_sect);
+ mutex_unlock(&ctrl->crit_sect);
return(0);
}
@@ -854,13 +850,12 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_disable_device;
}
- ctrl = (struct controller *) kmalloc(sizeof(struct controller), GFP_KERNEL);
+ ctrl = kzalloc(sizeof(struct controller), GFP_KERNEL);
if (!ctrl) {
err("%s : out of memory\n", __FUNCTION__);
rc = -ENOMEM;
goto err_disable_device;
}
- memset(ctrl, 0, sizeof(struct controller));
rc = pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsystem_deviceid);
if (rc) {
@@ -1084,7 +1079,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dbg("bus device function rev: %d %d %d %d\n", ctrl->bus,
PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), ctrl->rev);
- init_MUTEX(&ctrl->crit_sect);
+ mutex_init(&ctrl->crit_sect);
init_waitqueue_head(&ctrl->queue);
/* initialize our threads if they haven't already been started up */
@@ -1223,7 +1218,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
// turn off empty slots here unless command line option "ON" set
// Wait for exclusive access to hardware
- down(&ctrl->crit_sect);
+ mutex_lock(&ctrl->crit_sect);
num_of_slots = readb(ctrl->hpc_reg + SLOT_MASK) & 0x0F;
@@ -1270,12 +1265,12 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
rc = init_SERR(ctrl);
if (rc) {
err("init_SERR failed\n");
- up(&ctrl->crit_sect);
+ mutex_unlock(&ctrl->crit_sect);
goto err_free_irq;
}
// Done with exclusive hardware access
- up(&ctrl->crit_sect);
+ mutex_unlock(&ctrl->crit_sect);
cpqhp_create_debugfs_files(ctrl);