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Diffstat (limited to 'arch/powerpc/kernel/eeh_driver.c')
-rw-r--r--arch/powerpc/kernel/eeh_driver.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 127f2bb41e38..52b5acdab0f3 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -205,6 +205,17 @@ static void *eeh_dev_save_state(struct eeh_dev *edev, void *userdata)
return NULL;
}
+static void eeh_set_channel_state(struct eeh_pe *root, enum pci_channel_state s)
+{
+ struct eeh_pe *pe;
+ struct eeh_dev *edev, *tmp;
+
+ eeh_for_each_pe(root, pe)
+ eeh_pe_for_each_dev(pe, edev, tmp)
+ if (eeh_edev_actionable(edev))
+ edev->pdev->error_state = s;
+}
+
/**
* eeh_report_error - Report pci error to each device driver
* @data: eeh device
@@ -224,7 +235,6 @@ static void *eeh_report_error(struct eeh_dev *edev, void *userdata)
return NULL;
device_lock(&dev->dev);
- dev->error_state = pci_channel_io_frozen;
driver = eeh_pcid_get(dev);
if (!driver) goto out_no_dev;
@@ -307,7 +317,6 @@ static void *eeh_report_reset(struct eeh_dev *edev, void *userdata)
return NULL;
device_lock(&dev->dev);
- dev->error_state = pci_channel_io_normal;
driver = eeh_pcid_get(dev);
if (!driver) goto out_no_dev;
@@ -377,7 +386,6 @@ static void *eeh_report_resume(struct eeh_dev *edev, void *userdata)
return NULL;
device_lock(&dev->dev);
- dev->error_state = pci_channel_io_normal;
driver = eeh_pcid_get(dev);
if (!driver) goto out_no_dev;
@@ -801,6 +809,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)
* hotplug for this case.
*/
pr_info("EEH: Notify device drivers to shutdown\n");
+ eeh_set_channel_state(pe, pci_channel_io_frozen);
eeh_pe_dev_traverse(pe, eeh_report_error, &result);
if ((pe->type & EEH_PE_PHB) &&
result != PCI_ERS_RESULT_NONE &&
@@ -891,6 +900,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)
pr_info("EEH: Notify device drivers "
"the completion of reset\n");
result = PCI_ERS_RESULT_NONE;
+ eeh_set_channel_state(pe, pci_channel_io_normal);
eeh_pe_dev_traverse(pe, eeh_report_reset, &result);
}
@@ -912,6 +922,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)
/* Tell all device drivers that they can resume operations */
pr_info("EEH: Notify device driver to resume\n");
+ eeh_set_channel_state(pe, pci_channel_io_normal);
eeh_pe_dev_traverse(pe, eeh_report_resume, NULL);
pr_info("EEH: Recovery successful.\n");
@@ -930,6 +941,7 @@ hard_fail:
eeh_slot_error_detail(pe, EEH_LOG_PERM);
/* Notify all devices that they're about to go down. */
+ eeh_set_channel_state(pe, pci_channel_io_perm_failure);
eeh_pe_dev_traverse(pe, eeh_report_failure, NULL);
/* Mark the PE to be removed permanently */
@@ -1039,6 +1051,7 @@ void eeh_handle_special_event(void)
/* Notify all devices to be down */
eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
+ eeh_set_channel_state(pe, pci_channel_io_perm_failure);
eeh_pe_dev_traverse(pe,
eeh_report_failure, NULL);
bus = eeh_pe_bus_get(phb_pe);