Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: remove unused resource assignment in pci_read_bridge_bases()
PCI hotplug: shpchp: message refinement
PCI hotplug: shpchp: replace printk with dev_printk
PCI: add routines for debugging and handling lost interrupts
PCI hotplug: pciehp: message refinement
PCI: fix ARI code to be compatible with mixed ARI/non-ARI systems
PCI hotplug: cpqphp: fix kernel NULL pointer dereference
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 4b47f4e..af3bfe2 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -3,7 +3,8 @@
#
obj-y += access.o bus.o probe.o remove.o pci.o quirks.o slot.o \
- pci-driver.o search.o pci-sysfs.o rom.o setup-res.o
+ pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
+ irq.o
obj-$(CONFIG_PROC_FS) += proc.o
# Build PCI Express stuff if needed
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index 724d42c..8514c3a 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -433,7 +433,7 @@
slot->number, ctrl->slot_device_offset,
slot_number);
result = pci_hp_register(hotplug_slot,
- ctrl->pci_dev->subordinate,
+ ctrl->pci_dev->bus,
slot->device,
name);
if (result) {
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index a4817a8..b2801a7 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -188,7 +188,7 @@
return slot;
}
- ctrl_err(ctrl, "%s: slot (device=0x%x) not found\n", __func__, device);
+ ctrl_err(ctrl, "Slot (device=0x%02x) not found\n", device);
return NULL;
}
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 62be1b5..4b23bc3 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -184,7 +184,7 @@
{
struct slot *slot = hotplug_slot->private;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, hotplug_slot_name(hotplug_slot));
kfree(hotplug_slot->info);
@@ -216,9 +216,11 @@
slot->hotplug_slot = hotplug_slot;
snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
- ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
- "slot_device_offset=%x\n", slot->bus, slot->device,
- slot->hp_slot, slot->number, ctrl->slot_device_offset);
+ ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x "
+ "hp_slot=%x sun=%x slot_device_offset=%x\n",
+ pci_domain_nr(ctrl->pci_dev->subordinate),
+ slot->bus, slot->device, slot->hp_slot, slot->number,
+ ctrl->slot_device_offset);
retval = pci_hp_register(hotplug_slot,
ctrl->pci_dev->subordinate,
slot->device,
@@ -238,7 +240,7 @@
&hotplug_slot_attr_lock.attr);
if (retval) {
pci_hp_deregister(hotplug_slot);
- ctrl_err(ctrl, "cannot create additional sysfs "
+ ctrl_err(ctrl, "Cannot create additional sysfs "
"entries\n");
goto error_info;
}
@@ -273,7 +275,7 @@
{
struct slot *slot = hotplug_slot->private;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
hotplug_slot->info->attention_status = status;
@@ -289,7 +291,7 @@
{
struct slot *slot = hotplug_slot->private;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
return pciehp_sysfs_enable_slot(slot);
@@ -300,7 +302,7 @@
{
struct slot *slot = hotplug_slot->private;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
return pciehp_sysfs_disable_slot(slot);
@@ -311,7 +313,7 @@
struct slot *slot = hotplug_slot->private;
int retval;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
retval = slot->hpc_ops->get_power_status(slot, value);
@@ -326,7 +328,7 @@
struct slot *slot = hotplug_slot->private;
int retval;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
retval = slot->hpc_ops->get_attention_status(slot, value);
@@ -341,7 +343,7 @@
struct slot *slot = hotplug_slot->private;
int retval;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
retval = slot->hpc_ops->get_latch_status(slot, value);
@@ -356,7 +358,7 @@
struct slot *slot = hotplug_slot->private;
int retval;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
retval = slot->hpc_ops->get_adapter_status(slot, value);
@@ -372,7 +374,7 @@
struct slot *slot = hotplug_slot->private;
int retval;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
retval = slot->hpc_ops->get_max_bus_speed(slot, value);
@@ -387,7 +389,7 @@
struct slot *slot = hotplug_slot->private;
int retval;
- ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
@@ -414,7 +416,7 @@
ctrl = pcie_init(dev);
if (!ctrl) {
- dev_err(&dev->device, "controller initialization failed\n");
+ dev_err(&dev->device, "Controller initialization failed\n");
goto err_out_none;
}
set_service_data(dev, ctrl);
@@ -423,10 +425,10 @@
rc = init_slots(ctrl);
if (rc) {
if (rc == -EBUSY)
- ctrl_warn(ctrl, "slot already registered by another "
+ ctrl_warn(ctrl, "Slot already registered by another "
"hotplug driver\n");
else
- ctrl_err(ctrl, "slot initialization failed\n");
+ ctrl_err(ctrl, "Slot initialization failed\n");
goto err_out_release_ctlr;
}
@@ -523,7 +525,7 @@
dbg("pcie_port_service_register = %d\n", retval);
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
if (retval)
- dbg("%s: Failure to register service\n", __func__);
+ dbg("Failure to register service\n");
return retval;
}
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index d6c5eb2..fead63c 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -61,7 +61,7 @@
struct controller *ctrl = p_slot->ctrl;
/* Attention Button Change */
- ctrl_dbg(ctrl, "Attention button interrupt received.\n");
+ ctrl_dbg(ctrl, "Attention button interrupt received\n");
/*
* Button pressed - See if need to TAKE ACTION!!!
@@ -81,7 +81,7 @@
struct controller *ctrl = p_slot->ctrl;
/* Switch Change */
- ctrl_dbg(ctrl, "Switch interrupt received.\n");
+ ctrl_dbg(ctrl, "Switch interrupt received\n");
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (getstatus) {
@@ -110,7 +110,7 @@
struct controller *ctrl = p_slot->ctrl;
/* Presence Change */
- ctrl_dbg(ctrl, "Presence/Notify input change.\n");
+ ctrl_dbg(ctrl, "Presence/Notify input change\n");
/* Switch is open, assume a presence change
* Save the presence state
@@ -142,7 +142,7 @@
struct controller *ctrl = p_slot->ctrl;
/* power fault */
- ctrl_dbg(ctrl, "Power fault interrupt received.\n");
+ ctrl_dbg(ctrl, "Power fault interrupt received\n");
if ( !(p_slot->hpc_ops->query_power_fault(p_slot))) {
/*
@@ -157,7 +157,7 @@
*/
ctrl_info(ctrl, "Power fault on Slot(%s)\n", slot_name(p_slot));
event_type = INT_POWER_FAULT;
- ctrl_info(ctrl, "power fault bit %x set\n", 0);
+ ctrl_info(ctrl, "Power fault bit %x set\n", 0);
}
queue_interrupt_event(p_slot, event_type);
@@ -175,8 +175,7 @@
if (POWER_CTRL(ctrl)) {
if (pslot->hpc_ops->power_off_slot(pslot)) {
ctrl_err(ctrl,
- "%s: Issue of Slot Power Off command failed\n",
- __func__);
+ "Issue of Slot Power Off command failed\n");
return;
}
}
@@ -193,8 +192,8 @@
if (ATTN_LED(ctrl)) {
if (pslot->hpc_ops->set_attention_status(pslot, 1)) {
- ctrl_err(ctrl, "%s: Issue of Set Attention "
- "Led command failed\n", __func__);
+ ctrl_err(ctrl,
+ "Issue of Set Attention Led command failed\n");
return;
}
}
@@ -211,8 +210,9 @@
{
int retval = 0;
struct controller *ctrl = p_slot->ctrl;
+ struct pci_bus *parent = ctrl->pci_dev->subordinate;
- ctrl_dbg(ctrl, "%s: slot device, slot offset, hp slot = %d, %d ,%d\n",
+ ctrl_dbg(ctrl, "%s: slot device, slot offset, hp slot = %d, %d, %d\n",
__func__, p_slot->device, ctrl->slot_device_offset,
p_slot->hp_slot);
@@ -229,22 +229,22 @@
/* Check link training status */
retval = p_slot->hpc_ops->check_lnk_status(ctrl);
if (retval) {
- ctrl_err(ctrl, "%s: Failed to check link status\n", __func__);
+ ctrl_err(ctrl, "Failed to check link status\n");
set_slot_off(ctrl, p_slot);
return retval;
}
/* Check for a power fault */
if (p_slot->hpc_ops->query_power_fault(p_slot)) {
- ctrl_dbg(ctrl, "%s: power fault detected\n", __func__);
+ ctrl_dbg(ctrl, "Power fault detected\n");
retval = POWER_FAILURE;
goto err_exit;
}
retval = pciehp_configure_device(p_slot);
if (retval) {
- ctrl_err(ctrl, "Cannot add device 0x%x:%x\n",
- p_slot->bus, p_slot->device);
+ ctrl_err(ctrl, "Cannot add device at %04x:%02x:%02x\n",
+ pci_domain_nr(parent), p_slot->bus, p_slot->device);
goto err_exit;
}
@@ -276,14 +276,14 @@
if (retval)
return retval;
- ctrl_dbg(ctrl, "In %s, hp_slot = %d\n", __func__, p_slot->hp_slot);
+ ctrl_dbg(ctrl, "%s: hp_slot = %d\n", __func__, p_slot->hp_slot);
if (POWER_CTRL(ctrl)) {
/* power off slot */
retval = p_slot->hpc_ops->power_off_slot(p_slot);
if (retval) {
- ctrl_err(ctrl, "%s: Issue of Slot Disable command "
- "failed\n", __func__);
+ ctrl_err(ctrl,
+ "Issue of Slot Disable command failed\n");
return retval;
}
}
@@ -324,8 +324,10 @@
switch (p_slot->state) {
case POWEROFF_STATE:
mutex_unlock(&p_slot->lock);
- ctrl_dbg(p_slot->ctrl, "%s: disabling bus:device(%x:%x)\n",
- __func__, p_slot->bus, p_slot->device);
+ ctrl_dbg(p_slot->ctrl,
+ "Disabling domain:bus:device=%04x:%02x:%02x\n",
+ pci_domain_nr(p_slot->ctrl->pci_dev->subordinate),
+ p_slot->bus, p_slot->device);
pciehp_disable_slot(p_slot);
mutex_lock(&p_slot->lock);
p_slot->state = STATIC_STATE;
@@ -433,7 +435,6 @@
* expires to cancel hot-add or hot-remove
*/
ctrl_info(ctrl, "Button cancel on Slot(%s)\n", slot_name(p_slot));
- ctrl_dbg(ctrl, "%s: button cancel\n", __func__);
cancel_delayed_work(&p_slot->work);
if (p_slot->state == BLINKINGOFF_STATE) {
if (PWR_LED(ctrl))
@@ -537,16 +538,15 @@
rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
if (rc || !getstatus) {
- ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
- __func__, slot_name(p_slot));
+ ctrl_info(ctrl, "No adapter on slot(%s)\n", slot_name(p_slot));
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
if (MRL_SENS(p_slot->ctrl)) {
rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (rc || getstatus) {
- ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
- __func__, slot_name(p_slot));
+ ctrl_info(ctrl, "Latch open on slot(%s)\n",
+ slot_name(p_slot));
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
@@ -555,8 +555,8 @@
if (POWER_CTRL(p_slot->ctrl)) {
rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (rc || getstatus) {
- ctrl_info(ctrl, "%s: already enabled on slot(%s)\n",
- __func__, slot_name(p_slot));
+ ctrl_info(ctrl, "Already enabled on slot(%s)\n",
+ slot_name(p_slot));
mutex_unlock(&p_slot->ctrl->crit_sect);
return -EINVAL;
}
@@ -591,8 +591,8 @@
if (!HP_SUPR_RM(p_slot->ctrl)) {
ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
if (ret || !getstatus) {
- ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
- __func__, slot_name(p_slot));
+ ctrl_info(ctrl, "No adapter on slot(%s)\n",
+ slot_name(p_slot));
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
@@ -601,8 +601,8 @@
if (MRL_SENS(p_slot->ctrl)) {
ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (ret || getstatus) {
- ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
- __func__, slot_name(p_slot));
+ ctrl_info(ctrl, "Latch open on slot(%s)\n",
+ slot_name(p_slot));
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
@@ -611,8 +611,8 @@
if (POWER_CTRL(p_slot->ctrl)) {
ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (ret || !getstatus) {
- ctrl_info(ctrl, "%s: already disabled slot(%s)\n",
- __func__, slot_name(p_slot));
+ ctrl_info(ctrl, "Already disabled on slot(%s)\n",
+ slot_name(p_slot));
mutex_unlock(&p_slot->ctrl->crit_sect);
return -EINVAL;
}
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 58c72d2..b643ca1 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -316,22 +316,19 @@
* proceed forward to issue the next command according
* to spec. Just print out the error message.
*/
- ctrl_dbg(ctrl,
- "%s: CMD_COMPLETED not clear after 1 sec.\n",
- __func__);
+ 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
* event even though it supports none of power
* controller, attention led, power led and EMI.
*/
- ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Need to "
- "wait for command completed event.\n",
- __func__);
+ ctrl_dbg(ctrl, "Unexpected CMD_COMPLETED. Need to "
+ "wait for command completed event.\n");
ctrl->no_cmd_complete = 0;
} else {
- ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Maybe "
- "the controller is broken.\n", __func__);
+ ctrl_dbg(ctrl, "Unexpected CMD_COMPLETED. Maybe "
+ "the controller is broken.\n");
}
}
@@ -347,8 +344,7 @@
smp_mb();
retval = pciehp_writew(ctrl, SLOTCTRL, slot_ctrl);
if (retval)
- ctrl_err(ctrl, "%s: Cannot write to SLOTCTRL register\n",
- __func__);
+ ctrl_err(ctrl, "Cannot write to SLOTCTRL register\n");
/*
* Wait for command completion.
@@ -418,15 +414,14 @@
retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
if (retval) {
- ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
- __func__);
+ ctrl_err(ctrl, "Cannot read LNKSTATUS register\n");
return retval;
}
ctrl_dbg(ctrl, "%s: lnk_status = %x\n", __func__, lnk_status);
if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) ||
!(lnk_status & NEG_LINK_WD)) {
- ctrl_err(ctrl, "%s : Link Training Error occurs \n", __func__);
+ ctrl_err(ctrl, "Link Training Error occurs \n");
retval = -1;
return retval;
}
@@ -551,7 +546,7 @@
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- ctrl_err(ctrl, "%s: Cannot check for power fault\n", __func__);
+ ctrl_err(ctrl, "Cannot check for power fault\n");
return retval;
}
pwr_fault = (u8)((slot_status & PWR_FAULT_DETECTED) >> 1);
@@ -567,7 +562,7 @@
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- ctrl_err(ctrl, "%s : Cannot check EMI status\n", __func__);
+ ctrl_err(ctrl, "Cannot check EMI status\n");
return retval;
}
*status = (slot_status & EMI_STATE) >> EMI_STATUS_BIT;
@@ -697,8 +692,7 @@
retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
if (retval) {
- ctrl_err(ctrl, "%s: Write %x command failed!\n",
- __func__, slot_cmd);
+ ctrl_err(ctrl, "Write %x command failed!\n", slot_cmd);
return -1;
}
ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
@@ -776,7 +770,7 @@
retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
if (retval) {
- ctrl_err(ctrl, "%s: Write command failed!\n", __func__);
+ ctrl_err(ctrl, "Write command failed!\n");
retval = -1;
goto out;
}
@@ -1056,8 +1050,7 @@
PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
if (pcie_write_cmd(ctrl, cmd, mask)) {
- ctrl_err(ctrl, "%s: Cannot enable software notification\n",
- __func__);
+ ctrl_err(ctrl, "Cannot enable software notification\n");
return -1;
}
return 0;
@@ -1069,8 +1062,7 @@
mask = PRSN_DETECT_ENABLE | ATTN_BUTTN_ENABLE | MRL_DETECT_ENABLE |
PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
if (pcie_write_cmd(ctrl, 0, mask))
- ctrl_warn(ctrl, "%s: Cannot disable software notification\n",
- __func__);
+ ctrl_warn(ctrl, "Cannot disable software notification\n");
}
static int pcie_init_notification(struct controller *ctrl)
@@ -1179,7 +1171,7 @@
ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
if (!ctrl) {
- dev_err(&dev->device, "%s : out of memory\n", __func__);
+ dev_err(&dev->device, "%s: Out of memory\n", __func__);
goto abort;
}
INIT_LIST_HEAD(&ctrl->slot_list);
@@ -1188,12 +1180,11 @@
ctrl->pci_dev = pdev;
ctrl->cap_base = pci_find_capability(pdev, PCI_CAP_ID_EXP);
if (!ctrl->cap_base) {
- ctrl_err(ctrl, "%s: Cannot find PCI Express capability\n",
- __func__);
+ ctrl_err(ctrl, "Cannot find PCI Express capability\n");
goto abort_ctrl;
}
if (pciehp_readl(ctrl, SLOTCAP, &slot_cap)) {
- ctrl_err(ctrl, "%s: Cannot read SLOTCAP register\n", __func__);
+ ctrl_err(ctrl, "Cannot read SLOTCAP register\n");
goto abort_ctrl;
}
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index ffd1114..10f9566 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -39,8 +39,7 @@
u16 pci_cmd, pci_bctl;
if (hpp->revision > 1) {
- printk(KERN_WARNING "%s: Rev.%d type0 record not supported\n",
- __func__, hpp->revision);
+ warn("Rev.%d type0 record not supported\n", hpp->revision);
return;
}
@@ -81,8 +80,7 @@
u32 reg32;
if (hpp->revision > 1) {
- printk(KERN_WARNING "%s: Rev.%d type2 record not supported\n",
- __func__, hpp->revision);
+ warn("Rev.%d type2 record not supported\n", hpp->revision);
return;
}
@@ -149,8 +147,7 @@
return;
if (pciehp_get_hp_params_from_firmware(dev, &hpp)) {
- printk(KERN_WARNING "%s: Could not get hotplug parameters\n",
- __func__);
+ warn("Could not get hotplug parameters\n");
return;
}
@@ -202,9 +199,9 @@
dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
if (dev) {
- ctrl_err(ctrl,
- "Device %s already exists at %x:%x, cannot hot-add\n",
- pci_name(dev), p_slot->bus, p_slot->device);
+ ctrl_err(ctrl, "Device %s already exists "
+ "at %04x:%02x:%02x, cannot hot-add\n", pci_name(dev),
+ pci_domain_nr(parent), p_slot->bus, p_slot->device);
pci_dev_put(dev);
return -EINVAL;
}
@@ -248,8 +245,8 @@
u16 command;
struct controller *ctrl = p_slot->ctrl;
- ctrl_dbg(ctrl, "%s: bus/dev = %x/%x\n", __func__,
- p_slot->bus, p_slot->device);
+ ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:%02x\n",
+ __func__, pci_domain_nr(parent), p_slot->bus, p_slot->device);
ret = p_slot->hpc_ops->get_adapter_status(p_slot, &presence);
if (ret)
presence = 0;
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 4d9fed0..6aba0b6 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -59,6 +59,20 @@
#define warn(format, arg...) \
printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
+#define ctrl_dbg(ctrl, format, arg...) \
+ do { \
+ if (shpchp_debug) \
+ dev_printk(, &ctrl->pci_dev->dev, \
+ format, ## arg); \
+ } while (0)
+#define ctrl_err(ctrl, format, arg...) \
+ dev_err(&ctrl->pci_dev->dev, format, ## arg)
+#define ctrl_info(ctrl, format, arg...) \
+ dev_info(&ctrl->pci_dev->dev, format, ## arg)
+#define ctrl_warn(ctrl, format, arg...) \
+ dev_warn(&ctrl->pci_dev->dev, format, ## arg)
+
+
#define SLOT_NAME_SIZE 10
struct slot {
u8 bus;
@@ -239,7 +253,7 @@
return slot;
}
- err("%s: slot (device=0x%x) not found\n", __func__, device);
+ ctrl_err(ctrl, "Slot (device=0x%02x) not found\n", device);
return NULL;
}
@@ -273,7 +287,9 @@
pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MISC_BRIDGE_ERRORS_OFFSET, &pcix_bridge_errors_reg);
perr_set = pcix_bridge_errors_reg & PERR_OBSERVED_MASK;
if (perr_set) {
- dbg ("%s W1C: Bridge_Errors[ PERR_OBSERVED = %08X]\n",__func__ , perr_set);
+ ctrl_dbg(p_slot->ctrl,
+ "Bridge_Errors[ PERR_OBSERVED = %08X] (W1C)\n",
+ perr_set);
pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MISC_BRIDGE_ERRORS_OFFSET, perr_set);
}
@@ -282,7 +298,7 @@
pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, &pcix_mem_base_reg);
rse_set = pcix_mem_base_reg & RSE_MASK;
if (rse_set) {
- dbg ("%s W1C: Memory_Base_Limit[ RSE ]\n",__func__ );
+ ctrl_dbg(p_slot->ctrl, "Memory_Base_Limit[ RSE ] (W1C)\n");
pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, rse_set);
}
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 7af9191..fe8d149 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -89,7 +89,8 @@
{
struct slot *slot = hotplug_slot->private;
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
kfree(slot->hotplug_slot->info);
kfree(slot->hotplug_slot);
@@ -135,13 +136,16 @@
snprintf(name, SLOT_NAME_SIZE, "%d", slot->number);
hotplug_slot->ops = &shpchp_hotplug_slot_ops;
- dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
- "slot_device_offset=%x\n", slot->bus, slot->device,
- slot->hp_slot, slot->number, ctrl->slot_device_offset);
+ ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x "
+ "hp_slot=%x sun=%x slot_device_offset=%x\n",
+ pci_domain_nr(ctrl->pci_dev->subordinate),
+ slot->bus, slot->device, slot->hp_slot, slot->number,
+ ctrl->slot_device_offset);
retval = pci_hp_register(slot->hotplug_slot,
ctrl->pci_dev->subordinate, slot->device, name);
if (retval) {
- err("pci_hp_register failed with error %d\n", retval);
+ ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
+ retval);
goto error_info;
}
@@ -187,7 +191,8 @@
{
struct slot *slot = get_slot(hotplug_slot);
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
hotplug_slot->info->attention_status = status;
slot->hpc_ops->set_attention_status(slot, status);
@@ -199,7 +204,8 @@
{
struct slot *slot = get_slot(hotplug_slot);
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
return shpchp_sysfs_enable_slot(slot);
}
@@ -208,7 +214,8 @@
{
struct slot *slot = get_slot(hotplug_slot);
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
return shpchp_sysfs_disable_slot(slot);
}
@@ -218,7 +225,8 @@
struct slot *slot = get_slot(hotplug_slot);
int retval;
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
retval = slot->hpc_ops->get_power_status(slot, value);
if (retval < 0)
@@ -232,7 +240,8 @@
struct slot *slot = get_slot(hotplug_slot);
int retval;
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
retval = slot->hpc_ops->get_attention_status(slot, value);
if (retval < 0)
@@ -246,7 +255,8 @@
struct slot *slot = get_slot(hotplug_slot);
int retval;
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
retval = slot->hpc_ops->get_latch_status(slot, value);
if (retval < 0)
@@ -260,7 +270,8 @@
struct slot *slot = get_slot(hotplug_slot);
int retval;
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
retval = slot->hpc_ops->get_adapter_status(slot, value);
if (retval < 0)
@@ -275,7 +286,8 @@
struct slot *slot = get_slot(hotplug_slot);
int retval;
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
retval = slot->hpc_ops->get_max_bus_speed(slot, value);
if (retval < 0)
@@ -289,7 +301,8 @@
struct slot *slot = get_slot(hotplug_slot);
int retval;
- dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+ ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
+ __func__, slot_name(slot));
retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
if (retval < 0)
@@ -320,15 +333,14 @@
ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
if (!ctrl) {
- err("%s : out of memory\n", __func__);
+ dev_err(&pdev->dev, "%s: Out of memory\n", __func__);
goto err_out_none;
}
INIT_LIST_HEAD(&ctrl->slot_list);
rc = shpc_init(ctrl, pdev);
if (rc) {
- dbg("%s: controller initialization failed\n",
- SHPC_MODULE_NAME);
+ ctrl_dbg(ctrl, "Controller initialization failed\n");
goto err_out_free_ctrl;
}
@@ -337,7 +349,7 @@
/* Setup the slot information structures */
rc = init_slots(ctrl);
if (rc) {
- err("%s: slot initialization failed\n", SHPC_MODULE_NAME);
+ ctrl_err(ctrl, "Slot initialization failed\n");
goto err_out_release_ctlr;
}
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index 919b1ee..b8ab279 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -62,7 +62,7 @@
u32 event_type;
/* Attention Button Change */
- dbg("shpchp: Attention button interrupt received.\n");
+ ctrl_dbg(ctrl, "Attention button interrupt received\n");
p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
@@ -70,7 +70,7 @@
/*
* Button pressed - See if need to TAKE ACTION!!!
*/
- info("Button pressed on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Button pressed on Slot(%s)\n", slot_name(p_slot));
event_type = INT_BUTTON_PRESS;
queue_interrupt_event(p_slot, event_type);
@@ -86,29 +86,29 @@
u32 event_type;
/* Switch Change */
- dbg("shpchp: Switch interrupt received.\n");
+ ctrl_dbg(ctrl, "Switch interrupt received\n");
p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
- dbg("%s: Card present %x Power status %x\n", __func__,
- p_slot->presence_save, p_slot->pwr_save);
+ ctrl_dbg(ctrl, "Card present %x Power status %x\n",
+ p_slot->presence_save, p_slot->pwr_save);
if (getstatus) {
/*
* Switch opened
*/
- info("Latch open on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Latch open on Slot(%s)\n", slot_name(p_slot));
event_type = INT_SWITCH_OPEN;
if (p_slot->pwr_save && p_slot->presence_save) {
event_type = INT_POWER_FAULT;
- err("Surprise Removal of card\n");
+ ctrl_err(ctrl, "Surprise Removal of card\n");
}
} else {
/*
* Switch closed
*/
- info("Latch close on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Latch close on Slot(%s)\n", slot_name(p_slot));
event_type = INT_SWITCH_CLOSE;
}
@@ -123,7 +123,7 @@
u32 event_type;
/* Presence Change */
- dbg("shpchp: Presence/Notify input change.\n");
+ ctrl_dbg(ctrl, "Presence/Notify input change\n");
p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
@@ -135,13 +135,15 @@
/*
* Card Present
*/
- info("Card present on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Card present on Slot(%s)\n",
+ slot_name(p_slot));
event_type = INT_PRESENCE_ON;
} else {
/*
* Not Present
*/
- info("Card not present on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Card not present on Slot(%s)\n",
+ slot_name(p_slot));
event_type = INT_PRESENCE_OFF;
}
@@ -156,7 +158,7 @@
u32 event_type;
/* Power fault */
- dbg("shpchp: Power fault interrupt received.\n");
+ ctrl_dbg(ctrl, "Power fault interrupt received\n");
p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
@@ -164,18 +166,19 @@
/*
* Power fault Cleared
*/
- info("Power fault cleared on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Power fault cleared on Slot(%s)\n",
+ slot_name(p_slot));
p_slot->status = 0x00;
event_type = INT_POWER_FAULT_CLEAR;
} else {
/*
* Power fault
*/
- info("Power fault on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Power fault on Slot(%s)\n", slot_name(p_slot));
event_type = INT_POWER_FAULT;
/* set power fault status for this board */
p_slot->status = 0xFF;
- info("power fault bit %x set\n", hp_slot);
+ ctrl_info(ctrl, "Power fault bit %x set\n", hp_slot);
}
queue_interrupt_event(p_slot, event_type);
@@ -191,10 +194,10 @@
{
int rc = 0;
- dbg("%s: change to speed %d\n", __func__, speed);
+ ctrl_dbg(ctrl, "Change speed to %d\n", speed);
if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, speed))) {
- err("%s: Issue of set bus speed mode command failed\n",
- __func__);
+ ctrl_err(ctrl, "%s: Issue of set bus speed mode command "
+ "failed\n", __func__);
return WRONG_BUS_FREQUENCY;
}
return rc;
@@ -212,8 +215,8 @@
*/
if (flag) {
if (asp < bsp) {
- err("%s: speed of bus %x and adapter %x mismatch\n",
- __func__, bsp, asp);
+ ctrl_err(ctrl, "Speed of bus %x and adapter %x "
+ "mismatch\n", bsp, asp);
rc = WRONG_BUS_FREQUENCY;
}
return rc;
@@ -243,17 +246,18 @@
int rc = 0;
enum pci_bus_speed asp, bsp, msp;
struct controller *ctrl = p_slot->ctrl;
+ struct pci_bus *parent = ctrl->pci_dev->subordinate;
hp_slot = p_slot->device - ctrl->slot_device_offset;
- dbg("%s: p_slot->device, slot_offset, hp_slot = %d, %d ,%d\n",
- __func__, p_slot->device,
- ctrl->slot_device_offset, hp_slot);
+ ctrl_dbg(ctrl,
+ "%s: p_slot->device, slot_offset, hp_slot = %d, %d ,%d\n",
+ __func__, p_slot->device, ctrl->slot_device_offset, hp_slot);
/* Power on slot without connecting to bus */
rc = p_slot->hpc_ops->power_on_slot(p_slot);
if (rc) {
- err("%s: Failed to power on slot\n", __func__);
+ ctrl_err(ctrl, "Failed to power on slot\n");
return -1;
}
@@ -262,33 +266,34 @@
return WRONG_BUS_FREQUENCY;
if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, PCI_SPEED_33MHz))) {
- err("%s: Issue of set bus speed mode command failed\n", __func__);
+ ctrl_err(ctrl, "%s: Issue of set bus speed mode command"
+ " failed\n", __func__);
return WRONG_BUS_FREQUENCY;
}
/* turn on board, blink green LED, turn off Amber LED */
if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) {
- err("%s: Issue of Slot Enable command failed\n", __func__);
+ ctrl_err(ctrl, "Issue of Slot Enable command failed\n");
return rc;
}
}
rc = p_slot->hpc_ops->get_adapter_speed(p_slot, &asp);
if (rc) {
- err("%s: Can't get adapter speed or bus mode mismatch\n",
- __func__);
+ ctrl_err(ctrl, "Can't get adapter speed or "
+ "bus mode mismatch\n");
return WRONG_BUS_FREQUENCY;
}
rc = p_slot->hpc_ops->get_cur_bus_speed(p_slot, &bsp);
if (rc) {
- err("%s: Can't get bus operation speed\n", __func__);
+ ctrl_err(ctrl, "Can't get bus operation speed\n");
return WRONG_BUS_FREQUENCY;
}
rc = p_slot->hpc_ops->get_max_bus_speed(p_slot, &msp);
if (rc) {
- err("%s: Can't get max bus operation speed\n", __func__);
+ ctrl_err(ctrl, "Can't get max bus operation speed\n");
msp = bsp;
}
@@ -296,9 +301,9 @@
if (!list_empty(&ctrl->pci_dev->subordinate->devices))
slots_not_empty = 1;
- dbg("%s: slots_not_empty %d, adapter_speed %d, bus_speed %d, "
- "max_bus_speed %d\n", __func__, slots_not_empty, asp,
- bsp, msp);
+ ctrl_dbg(ctrl, "%s: slots_not_empty %d, adapter_speed %d, bus_speed %d,"
+ " max_bus_speed %d\n", __func__, slots_not_empty, asp,
+ bsp, msp);
rc = fix_bus_speed(ctrl, p_slot, slots_not_empty, asp, bsp, msp);
if (rc)
@@ -306,26 +311,26 @@
/* turn on board, blink green LED, turn off Amber LED */
if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) {
- err("%s: Issue of Slot Enable command failed\n", __func__);
+ ctrl_err(ctrl, "Issue of Slot Enable command failed\n");
return rc;
}
/* Wait for ~1 second */
msleep(1000);
- dbg("%s: slot status = %x\n", __func__, p_slot->status);
+ ctrl_dbg(ctrl, "%s: slot status = %x\n", __func__, p_slot->status);
/* Check for a power fault */
if (p_slot->status == 0xFF) {
/* power fault occurred, but it was benign */
- dbg("%s: power fault\n", __func__);
+ ctrl_dbg(ctrl, "%s: Power fault\n", __func__);
rc = POWER_FAILURE;
p_slot->status = 0;
goto err_exit;
}
if (shpchp_configure_device(p_slot)) {
- err("Cannot add device at 0x%x:0x%x\n", p_slot->bus,
- p_slot->device);
+ ctrl_err(ctrl, "Cannot add device at %04x:%02x:%02x\n",
+ pci_domain_nr(parent), p_slot->bus, p_slot->device);
goto err_exit;
}
@@ -341,7 +346,8 @@
/* turn off slot, turn on Amber LED, turn off Green LED */
rc = p_slot->hpc_ops->slot_disable(p_slot);
if (rc) {
- err("%s: Issue of Slot Disable command failed\n", __func__);
+ ctrl_err(ctrl, "%s: Issue of Slot Disable command failed\n",
+ __func__);
return rc;
}
@@ -365,7 +371,7 @@
hp_slot = p_slot->device - ctrl->slot_device_offset;
p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
- dbg("In %s, hp_slot = %d\n", __func__, hp_slot);
+ ctrl_dbg(ctrl, "%s: hp_slot = %d\n", __func__, hp_slot);
/* Change status to shutdown */
if (p_slot->is_a_board)
@@ -374,13 +380,14 @@
/* turn off slot, turn on Amber LED, turn off Green LED */
rc = p_slot->hpc_ops->slot_disable(p_slot);
if (rc) {
- err("%s: Issue of Slot Disable command failed\n", __func__);
+ ctrl_err(ctrl, "%s: Issue of Slot Disable command failed\n",
+ __func__);
return rc;
}
rc = p_slot->hpc_ops->set_attention_status(p_slot, 0);
if (rc) {
- err("%s: Issue of Set Attention command failed\n", __func__);
+ ctrl_err(ctrl, "Issue of Set Attention command failed\n");
return rc;
}
@@ -439,7 +446,8 @@
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
- err("%s: Cannot allocate memory\n", __func__);
+ ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n",
+ __func__);
return;
}
info->p_slot = p_slot;
@@ -486,18 +494,19 @@
static void handle_button_press_event(struct slot *p_slot)
{
u8 getstatus;
+ struct controller *ctrl = p_slot->ctrl;
switch (p_slot->state) {
case STATIC_STATE:
p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (getstatus) {
p_slot->state = BLINKINGOFF_STATE;
- info("PCI slot #%s - powering off due to button "
- "press.\n", slot_name(p_slot));
+ ctrl_info(ctrl, "PCI slot #%s - powering off due to "
+ "button press.\n", slot_name(p_slot));
} else {
p_slot->state = BLINKINGON_STATE;
- info("PCI slot #%s - powering on due to button "
- "press.\n", slot_name(p_slot));
+ ctrl_info(ctrl, "PCI slot #%s - powering on due to "
+ "button press.\n", slot_name(p_slot));
}
/* blink green LED and turn off amber */
p_slot->hpc_ops->green_led_blink(p_slot);
@@ -512,16 +521,16 @@
* press the attention again before the 5 sec. limit
* expires to cancel hot-add or hot-remove
*/
- info("Button cancel on Slot(%s)\n", slot_name(p_slot));
- dbg("%s: button cancel\n", __func__);
+ ctrl_info(ctrl, "Button cancel on Slot(%s)\n",
+ slot_name(p_slot));
cancel_delayed_work(&p_slot->work);
if (p_slot->state == BLINKINGOFF_STATE)
p_slot->hpc_ops->green_led_on(p_slot);
else
p_slot->hpc_ops->green_led_off(p_slot);
p_slot->hpc_ops->set_attention_status(p_slot, 0);
- info("PCI slot #%s - action canceled due to button press\n",
- slot_name(p_slot));
+ ctrl_info(ctrl, "PCI slot #%s - action canceled due to "
+ "button press\n", slot_name(p_slot));
p_slot->state = STATIC_STATE;
break;
case POWEROFF_STATE:
@@ -531,11 +540,12 @@
* this means that the previous attention button action
* to hot-add or hot-remove is undergoing
*/
- info("Button ignore on Slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Button ignore on Slot(%s)\n",
+ slot_name(p_slot));
update_slot_info(p_slot);
break;
default:
- warn("Not a valid state\n");
+ ctrl_warn(ctrl, "Not a valid state\n");
break;
}
}
@@ -551,7 +561,7 @@
handle_button_press_event(p_slot);
break;
case INT_POWER_FAULT:
- dbg("%s: power fault\n", __func__);
+ ctrl_dbg(p_slot->ctrl, "%s: Power fault\n", __func__);
p_slot->hpc_ops->set_attention_status(p_slot, 1);
p_slot->hpc_ops->green_led_off(p_slot);
break;
@@ -569,22 +579,24 @@
{
u8 getstatus = 0;
int rc, retval = -ENODEV;
+ struct controller *ctrl = p_slot->ctrl;
/* Check to see if (latch closed, card present, power off) */
mutex_lock(&p_slot->ctrl->crit_sect);
rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
if (rc || !getstatus) {
- info("No adapter on slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "No adapter on slot(%s)\n", slot_name(p_slot));
goto out;
}
rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (rc || getstatus) {
- info("Latch open on slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Latch open on slot(%s)\n", slot_name(p_slot));
goto out;
}
rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (rc || getstatus) {
- info("Already enabled on slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Already enabled on slot(%s)\n",
+ slot_name(p_slot));
goto out;
}
@@ -593,7 +605,7 @@
/* We have to save the presence info for these slots */
p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
p_slot->hpc_ops->get_power_status(p_slot, &(p_slot->pwr_save));
- dbg("%s: p_slot->pwr_save %x\n", __func__, p_slot->pwr_save);
+ ctrl_dbg(ctrl, "%s: p_slot->pwr_save %x\n", __func__, p_slot->pwr_save);
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if(((p_slot->ctrl->pci_dev->vendor == PCI_VENDOR_ID_AMD) ||
@@ -624,6 +636,7 @@
{
u8 getstatus = 0;
int rc, retval = -ENODEV;
+ struct controller *ctrl = p_slot->ctrl;
if (!p_slot->ctrl)
return -ENODEV;
@@ -633,17 +646,18 @@
rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
if (rc || !getstatus) {
- info("No adapter on slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "No adapter on slot(%s)\n", slot_name(p_slot));
goto out;
}
rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (rc || getstatus) {
- info("Latch open on slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Latch open on slot(%s)\n", slot_name(p_slot));
goto out;
}
rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (rc || !getstatus) {
- info("Already disabled slot(%s)\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Already disabled on slot(%s)\n",
+ slot_name(p_slot));
goto out;
}
@@ -657,6 +671,7 @@
int shpchp_sysfs_enable_slot(struct slot *p_slot)
{
int retval = -ENODEV;
+ struct controller *ctrl = p_slot->ctrl;
mutex_lock(&p_slot->lock);
switch (p_slot->state) {
@@ -670,15 +685,17 @@
p_slot->state = STATIC_STATE;
break;
case POWERON_STATE:
- info("Slot %s is already in powering on state\n",
- slot_name(p_slot));
+ ctrl_info(ctrl, "Slot %s is already in powering on state\n",
+ slot_name(p_slot));
break;
case BLINKINGOFF_STATE:
case POWEROFF_STATE:
- info("Already enabled on slot %s\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Already enabled on slot %s\n",
+ slot_name(p_slot));
break;
default:
- err("Not a valid state on slot %s\n", slot_name(p_slot));
+ ctrl_err(ctrl, "Not a valid state on slot %s\n",
+ slot_name(p_slot));
break;
}
mutex_unlock(&p_slot->lock);
@@ -689,6 +706,7 @@
int shpchp_sysfs_disable_slot(struct slot *p_slot)
{
int retval = -ENODEV;
+ struct controller *ctrl = p_slot->ctrl;
mutex_lock(&p_slot->lock);
switch (p_slot->state) {
@@ -702,15 +720,17 @@
p_slot->state = STATIC_STATE;
break;
case POWEROFF_STATE:
- info("Slot %s is already in powering off state\n",
- slot_name(p_slot));
+ ctrl_info(ctrl, "Slot %s is already in powering off state\n",
+ slot_name(p_slot));
break;
case BLINKINGON_STATE:
case POWERON_STATE:
- info("Already disabled on slot %s\n", slot_name(p_slot));
+ ctrl_info(ctrl, "Already disabled on slot %s\n",
+ slot_name(p_slot));
break;
default:
- err("Not a valid state on slot %s\n", slot_name(p_slot));
+ ctrl_err(ctrl, "Not a valid state on slot %s\n",
+ slot_name(p_slot));
break;
}
mutex_unlock(&p_slot->lock);
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 7a0bff3..86dc398 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -300,10 +300,10 @@
!is_ctrl_busy(ctrl), timeout);
if (!rc && is_ctrl_busy(ctrl)) {
retval = -EIO;
- err("Command not completed in 1000 msec\n");
+ ctrl_err(ctrl, "Command not completed in 1000 msec\n");
} else if (rc < 0) {
retval = -EINTR;
- info("Command was interrupted by a signal\n");
+ ctrl_info(ctrl, "Command was interrupted by a signal\n");
}
return retval;
@@ -320,15 +320,14 @@
if (!shpc_poll_ctrl_busy(ctrl)) {
/* After 1 sec and and the controller is still busy */
- err("%s : Controller is still busy after 1 sec.\n",
- __func__);
+ ctrl_err(ctrl, "Controller is still busy after 1 sec\n");
retval = -EBUSY;
goto out;
}
++t_slot;
temp_word = (t_slot << 8) | (cmd & 0xFF);
- dbg("%s: t_slot %x cmd %x\n", __func__, t_slot, cmd);
+ ctrl_dbg(ctrl, "%s: t_slot %x cmd %x\n", __func__, t_slot, cmd);
/* To make sure the Controller Busy bit is 0 before we send out the
* command.
@@ -344,8 +343,9 @@
cmd_status = hpc_check_cmd_status(slot->ctrl);
if (cmd_status) {
- err("%s: Failed to issued command 0x%x (error code = %d)\n",
- __func__, cmd, cmd_status);
+ ctrl_err(ctrl,
+ "Failed to issued command 0x%x (error code = %d)\n",
+ cmd, cmd_status);
retval = -EIO;
}
out:
@@ -364,15 +364,15 @@
break;
case 1:
retval = SWITCH_OPEN;
- err("%s: Switch opened!\n", __func__);
+ ctrl_err(ctrl, "Switch opened!\n");
break;
case 2:
retval = INVALID_CMD;
- err("%s: Invalid HPC command!\n", __func__);
+ ctrl_err(ctrl, "Invalid HPC command!\n");
break;
case 4:
retval = INVALID_SPEED_MODE;
- err("%s: Invalid bus speed/mode!\n", __func__);
+ ctrl_err(ctrl, "Invalid bus speed/mode!\n");
break;
default:
retval = cmd_status;
@@ -483,8 +483,8 @@
return -ENODEV;
}
- dbg("%s: slot_reg = %x, pcix_cap = %x, m66_cap = %x\n",
- __func__, slot_reg, pcix_cap, m66_cap);
+ ctrl_dbg(ctrl, "%s: slot_reg = %x, pcix_cap = %x, m66_cap = %x\n",
+ __func__, slot_reg, pcix_cap, m66_cap);
switch (pcix_cap) {
case 0x0:
@@ -509,7 +509,7 @@
break;
}
- dbg("Adapter speed = %d\n", *value);
+ ctrl_dbg(ctrl, "Adapter speed = %d\n", *value);
return retval;
}
@@ -526,7 +526,7 @@
retval = -1;
}
- dbg("Mode 1 ECC cap = %d\n", *mode);
+ ctrl_dbg(ctrl, "Mode 1 ECC cap = %d\n", *mode);
return retval;
}
@@ -629,7 +629,7 @@
retval = shpc_write_cmd(slot, slot->hp_slot, SET_SLOT_PWR);
if (retval)
- err("%s: Write command failed!\n", __func__);
+ ctrl_err(slot->ctrl, "%s: Write command failed!\n", __func__);
return retval;
}
@@ -642,7 +642,7 @@
retval = shpc_write_cmd(slot, slot->hp_slot,
SET_SLOT_ENABLE | SET_PWR_BLINK | SET_ATTN_OFF);
if (retval)
- err("%s: Write command failed!\n", __func__);
+ ctrl_err(slot->ctrl, "%s: Write command failed!\n", __func__);
return retval;
}
@@ -655,7 +655,7 @@
retval = shpc_write_cmd(slot, slot->hp_slot,
SET_SLOT_DISABLE | SET_PWR_OFF | SET_ATTN_ON);
if (retval)
- err("%s: Write command failed!\n", __func__);
+ ctrl_err(slot->ctrl, "%s: Write command failed!\n", __func__);
return retval;
}
@@ -719,7 +719,7 @@
retval = shpc_write_cmd(slot, 0, cmd);
if (retval)
- err("%s: Write command failed!\n", __func__);
+ ctrl_err(ctrl, "%s: Write command failed!\n", __func__);
return retval;
}
@@ -735,7 +735,7 @@
if (!intr_loc)
return IRQ_NONE;
- dbg("%s: intr_loc = %x\n",__func__, intr_loc);
+ ctrl_dbg(ctrl, "%s: intr_loc = %x\n", __func__, intr_loc);
if(!shpchp_poll_mode) {
/*
@@ -748,7 +748,7 @@
shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
intr_loc2 = shpc_readl(ctrl, INTR_LOC);
- dbg("%s: intr_loc2 = %x\n",__func__, intr_loc2);
+ ctrl_dbg(ctrl, "%s: intr_loc2 = %x\n", __func__, intr_loc2);
}
if (intr_loc & CMD_INTR_PENDING) {
@@ -773,8 +773,8 @@
continue;
slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
- dbg("%s: Slot %x with intr, slot register = %x\n",
- __func__, hp_slot, slot_reg);
+ ctrl_dbg(ctrl, "Slot %x with intr, slot register = %x\n",
+ hp_slot, slot_reg);
if (slot_reg & MRL_CHANGE_DETECTED)
shpchp_handle_switch_change(hp_slot, ctrl);
@@ -843,7 +843,7 @@
}
*value = bus_speed;
- dbg("Max bus speed = %d\n", bus_speed);
+ ctrl_dbg(ctrl, "Max bus speed = %d\n", bus_speed);
return retval;
}
@@ -911,7 +911,7 @@
break;
}
- dbg("Current bus speed = %d\n", bus_speed);
+ ctrl_dbg(ctrl, "Current bus speed = %d\n", bus_speed);
return retval;
}
@@ -949,6 +949,7 @@
u8 i;
ctrl->pci_dev = pdev; /* pci_dev of the P2P bridge */
+ ctrl_dbg(ctrl, "Hotplug Controller:\n");
if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
PCI_DEVICE_ID_AMD_GOLAM_7450)) {
@@ -958,34 +959,33 @@
} else {
ctrl->cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC);
if (!ctrl->cap_offset) {
- err("%s : cap_offset == 0\n", __func__);
+ ctrl_err(ctrl, "Cannot find PCI capability\n");
goto abort;
}
- dbg("%s: cap_offset = %x\n", __func__, ctrl->cap_offset);
+ ctrl_dbg(ctrl, " cap_offset = %x\n", ctrl->cap_offset);
rc = shpc_indirect_read(ctrl, 0, &shpc_base_offset);
if (rc) {
- err("%s: cannot read base_offset\n", __func__);
+ ctrl_err(ctrl, "Cannot read base_offset\n");
goto abort;
}
rc = shpc_indirect_read(ctrl, 3, &tempdword);
if (rc) {
- err("%s: cannot read slot config\n", __func__);
+ ctrl_err(ctrl, "Cannot read slot config\n");
goto abort;
}
num_slots = tempdword & SLOT_NUM;
- dbg("%s: num_slots (indirect) %x\n", __func__, num_slots);
+ ctrl_dbg(ctrl, " num_slots (indirect) %x\n", num_slots);
for (i = 0; i < 9 + num_slots; i++) {
rc = shpc_indirect_read(ctrl, i, &tempdword);
if (rc) {
- err("%s: cannot read creg (index = %d)\n",
- __func__, i);
+ ctrl_err(ctrl,
+ "Cannot read creg (index = %d)\n", i);
goto abort;
}
- dbg("%s: offset %d: value %x\n", __func__,i,
- tempdword);
+ ctrl_dbg(ctrl, " offset %d: value %x\n", i, tempdword);
}
ctrl->mmio_base =
@@ -993,30 +993,31 @@
ctrl->mmio_size = 0x24 + 0x4 * num_slots;
}
- info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, pdev->subsystem_vendor,
- pdev->subsystem_device);
+ ctrl_info(ctrl, "HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
+ pdev->vendor, pdev->device, pdev->subsystem_vendor,
+ pdev->subsystem_device);
rc = pci_enable_device(pdev);
if (rc) {
- err("%s: pci_enable_device failed\n", __func__);
+ ctrl_err(ctrl, "pci_enable_device failed\n");
goto abort;
}
if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) {
- err("%s: cannot reserve MMIO region\n", __func__);
+ ctrl_err(ctrl, "Cannot reserve MMIO region\n");
rc = -1;
goto abort;
}
ctrl->creg = ioremap(ctrl->mmio_base, ctrl->mmio_size);
if (!ctrl->creg) {
- err("%s: cannot remap MMIO region %lx @ %lx\n", __func__,
- ctrl->mmio_size, ctrl->mmio_base);
+ ctrl_err(ctrl, "Cannot remap MMIO region %lx @ %lx\n",
+ ctrl->mmio_size, ctrl->mmio_base);
release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
rc = -1;
goto abort;
}
- dbg("%s: ctrl->creg %p\n", __func__, ctrl->creg);
+ ctrl_dbg(ctrl, "ctrl->creg %p\n", ctrl->creg);
mutex_init(&ctrl->crit_sect);
mutex_init(&ctrl->cmd_lock);
@@ -1035,21 +1036,21 @@
/* Mask Global Interrupt Mask & Command Complete Interrupt Mask */
tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
- dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+ ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword);
tempdword |= (GLOBAL_INTR_MASK | GLOBAL_SERR_MASK |
COMMAND_INTR_MASK | ARBITER_SERR_MASK);
tempdword &= ~SERR_INTR_RSVDZ_MASK;
shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
- dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+ ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword);
/* Mask the MRL sensor SERR Mask of individual slot in
* Slot SERR-INT Mask & clear all the existing event if any
*/
for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
- dbg("%s: Default Logical Slot Register %d value %x\n", __func__,
- hp_slot, slot_reg);
+ ctrl_dbg(ctrl, "Default Logical Slot Register %d value %x\n",
+ hp_slot, slot_reg);
slot_reg |= (PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK |
BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK |
CON_PFAULT_INTR_MASK | MRL_CHANGE_SERR_MASK |
@@ -1066,24 +1067,24 @@
/* Installs the interrupt handler */
rc = pci_enable_msi(pdev);
if (rc) {
- info("Can't get msi for the hotplug controller\n");
- info("Use INTx for the hotplug controller\n");
+ ctrl_info(ctrl,
+ "Can't get msi for the hotplug controller\n");
+ ctrl_info(ctrl,
+ "Use INTx for the hotplug controller\n");
}
rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED,
MY_NAME, (void *)ctrl);
- dbg("%s: request_irq %d for hpc%d (returns %d)\n",
- __func__, ctrl->pci_dev->irq,
+ ctrl_dbg(ctrl, "request_irq %d for hpc%d (returns %d)\n",
+ ctrl->pci_dev->irq,
atomic_read(&shpchp_num_controllers), rc);
if (rc) {
- err("Can't get irq %d for the hotplug controller\n",
- ctrl->pci_dev->irq);
+ ctrl_err(ctrl, "Can't get irq %d for the hotplug "
+ "controller\n", ctrl->pci_dev->irq);
goto abort_iounmap;
}
}
- dbg("%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n", __func__,
- pdev->bus->number, PCI_SLOT(pdev->devfn),
- PCI_FUNC(pdev->devfn), pdev->irq);
+ ctrl_dbg(ctrl, "HPC at %s irq=%x\n", pci_name(pdev), pdev->irq);
/*
* If this is the first controller to be initialized,
@@ -1102,8 +1103,8 @@
*/
for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
- dbg("%s: Default Logical Slot Register %d value %x\n", __func__,
- hp_slot, slot_reg);
+ ctrl_dbg(ctrl, "Default Logical Slot Register %d value %x\n",
+ hp_slot, slot_reg);
slot_reg &= ~(PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK |
BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK |
CON_PFAULT_INTR_MASK | SLOT_REG_RSVDZ_MASK);
@@ -1116,7 +1117,7 @@
SERR_INTR_RSVDZ_MASK);
shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
- dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+ ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword);
}
return 0;
diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c
index 3fc4ec0..138f161 100644
--- a/drivers/pci/hotplug/shpchp_pci.c
+++ b/drivers/pci/hotplug/shpchp_pci.c
@@ -49,9 +49,7 @@
/* use default values if we can't get them from firmware */
if (get_hp_params_from_firmware(dev, &hpp) ||
!hpp.t0 || (hpp.t0->revision > 1)) {
- printk(KERN_WARNING
- "%s: Could not get hotplug parameters. Use defaults\n",
- __func__);
+ warn("Could not get hotplug parameters. Use defaults\n");
hpp.t0 = &hpp.type0_data;
hpp.t0->revision = 0;
hpp.t0->cache_line_size = 8;
@@ -101,18 +99,20 @@
struct pci_dev *dev;
struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
int num, fn;
+ struct controller *ctrl = p_slot->ctrl;
dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
if (dev) {
- err("Device %s already exists at %x:%x, cannot hot-add\n",
- pci_name(dev), p_slot->bus, p_slot->device);
+ ctrl_err(ctrl, "Device %s already exists "
+ "at %04x:%02x:%02x, cannot hot-add\n", pci_name(dev),
+ pci_domain_nr(parent), p_slot->bus, p_slot->device);
pci_dev_put(dev);
return -EINVAL;
}
num = pci_scan_slot(parent, PCI_DEVFN(p_slot->device, 0));
if (num == 0) {
- err("No new device found\n");
+ ctrl_err(ctrl, "No new device found\n");
return -ENODEV;
}
@@ -121,8 +121,8 @@
if (!dev)
continue;
if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
- err("Cannot hot-add display device %s\n",
- pci_name(dev));
+ ctrl_err(ctrl, "Cannot hot-add display device %s\n",
+ pci_name(dev));
pci_dev_put(dev);
continue;
}
@@ -138,14 +138,15 @@
break;
}
if (busnr >= end) {
- err("No free bus for hot-added bridge\n");
+ ctrl_err(ctrl,
+ "No free bus for hot-added bridge\n");
pci_dev_put(dev);
continue;
}
child = pci_add_new_bus(parent, dev, busnr);
if (!child) {
- err("Cannot add new bus for %s\n",
- pci_name(dev));
+ ctrl_err(ctrl, "Cannot add new bus for %s\n",
+ pci_name(dev));
pci_dev_put(dev);
continue;
}
@@ -168,8 +169,10 @@
int j;
u8 bctl = 0;
struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+ struct controller *ctrl = p_slot->ctrl;
- dbg("%s: bus/dev = %x/%x\n", __func__, p_slot->bus, p_slot->device);
+ ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:%02x\n",
+ __func__, pci_domain_nr(parent), p_slot->bus, p_slot->device);
for (j=0; j<8 ; j++) {
struct pci_dev* temp = pci_get_slot(parent,
@@ -177,16 +180,17 @@
if (!temp)
continue;
if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
- err("Cannot remove display device %s\n",
- pci_name(temp));
+ ctrl_err(ctrl, "Cannot remove display device %s\n",
+ pci_name(temp));
pci_dev_put(temp);
continue;
}
if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl);
if (bctl & PCI_BRIDGE_CTL_VGA) {
- err("Cannot remove display device %s\n",
- pci_name(temp));
+ ctrl_err(ctrl,
+ "Cannot remove display device %s\n",
+ pci_name(temp));
pci_dev_put(temp);
continue;
}
diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c
new file mode 100644
index 0000000..6441dfa
--- /dev/null
+++ b/drivers/pci/irq.c
@@ -0,0 +1,60 @@
+/*
+ * PCI IRQ failure handing code
+ *
+ * Copyright (c) 2008 James Bottomley <James.Bottomley@HansenPartnership.com>
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+
+static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
+{
+ struct pci_dev *parent = to_pci_dev(pdev->dev.parent);
+
+ dev_printk(KERN_ERR, &pdev->dev,
+ "Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
+ parent->dev.bus_id, parent->vendor, parent->device);
+ dev_printk(KERN_ERR, &pdev->dev, "%s\n", reason);
+ dev_printk(KERN_ERR, &pdev->dev, "Please report to linux-kernel@vger.kernel.org\n");
+ WARN_ON(1);
+}
+
+/**
+ * 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).
+ *
+ * Returns:
+ * a suggestion for fixing it (although the driver is not required to
+ * act on this).
+ */
+enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *pdev)
+{
+ if (pdev->msi_enabled || pdev->msix_enabled) {
+ enum pci_lost_interrupt_reason ret;
+
+ if (pdev->msix_enabled) {
+ pci_note_irq_problem(pdev, "MSIX routing failure");
+ ret = PCI_LOST_IRQ_DISABLE_MSIX;
+ } else {
+ pci_note_irq_problem(pdev, "MSI routing failure");
+ ret = PCI_LOST_IRQ_DISABLE_MSI;
+ }
+ return ret;
+ }
+#ifdef CONFIG_ACPI
+ if (!(acpi_disabled || acpi_noirq)) {
+ pci_note_irq_problem(pdev, "Potential ACPI misrouting please reboot with acpi=noirq");
+ /* currently no way to fix acpi on the fly */
+ return PCI_LOST_IRQ_DISABLE_ACPI;
+ }
+#endif
+ pci_note_irq_problem(pdev, "unknown cause (not MSI or ACPI)");
+ return PCI_LOST_IRQ_NO_INFORMATION;
+}
+EXPORT_SYMBOL(pci_lost_interrupt);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 533aeb5..21f2ac6 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1309,27 +1309,32 @@
int pos;
u32 cap;
u16 ctrl;
+ struct pci_dev *bridge;
- if (!dev->is_pcie)
+ if (!dev->is_pcie || dev->devfn)
return;
- if (dev->pcie_type != PCI_EXP_TYPE_ROOT_PORT &&
- dev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)
- return;
-
- pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI);
if (!pos)
return;
- pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP2, &cap);
+ bridge = dev->bus->self;
+ if (!bridge || !bridge->is_pcie)
+ return;
+
+ pos = pci_find_capability(bridge, PCI_CAP_ID_EXP);
+ if (!pos)
+ return;
+
+ pci_read_config_dword(bridge, pos + PCI_EXP_DEVCAP2, &cap);
if (!(cap & PCI_EXP_DEVCAP2_ARI))
return;
- pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &ctrl);
+ pci_read_config_word(bridge, pos + PCI_EXP_DEVCTL2, &ctrl);
ctrl |= PCI_EXP_DEVCTL2_ARI;
- pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, ctrl);
+ pci_write_config_word(bridge, pos + PCI_EXP_DEVCTL2, ctrl);
- dev->ari_enabled = 1;
+ bridge->ari_enabled = 1;
}
int
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6f1e51d..003a9b3 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -298,9 +298,6 @@
child->resource[i] = child->parent->resource[i - 3];
}
- for(i=0; i<3; i++)
- child->resource[i] = &dev->resource[PCI_BRIDGE_RESOURCES+i];
-
res = child->resource[0];
pci_read_config_byte(dev, PCI_IO_BASE, &io_base_lo);
pci_read_config_byte(dev, PCI_IO_LIMIT, &io_limit_lo);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 752def8..c75b82b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -546,6 +546,13 @@
unsigned int devfn);
#endif /* CONFIG_PCI_LEGACY */
+enum pci_lost_interrupt_reason {
+ PCI_LOST_IRQ_NO_INFORMATION = 0,
+ PCI_LOST_IRQ_DISABLE_MSI,
+ PCI_LOST_IRQ_DISABLE_MSIX,
+ PCI_LOST_IRQ_DISABLE_ACPI,
+};
+enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *dev);
int pci_find_capability(struct pci_dev *dev, int cap);
int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);
int pci_find_ext_capability(struct pci_dev *dev, int cap);
