diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh_driver.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh_driver.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 3269d2cd428..045cd7a3733 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -77,8 +77,12 @@ static int irq_in_use(unsigned int irq) } /* ------------------------------------------------------- */ -/** eeh_report_error - report an EEH error to each device, - * collect up and merge the device responses. +/** + * eeh_report_error - report pci error to each device driver + * + * Report an EEH error to each device driver, collect up and + * merge the device driver responses. Cumulative response + * passed back in "userdata". */ static void eeh_report_error(struct pci_dev *dev, void *userdata) @@ -108,8 +112,8 @@ static void eeh_report_error(struct pci_dev *dev, void *userdata) rc == PCI_ERS_RESULT_NEED_RESET) *res = rc; } -/** eeh_report_reset -- tell this device that the pci slot - * has been reset. +/** + * eeh_report_reset - tell device that slot has been reset */ static void eeh_report_reset(struct pci_dev *dev, void *userdata) @@ -132,6 +136,10 @@ static void eeh_report_reset(struct pci_dev *dev, void *userdata) driver->err_handler->slot_reset(dev); } +/** + * eeh_report_resume - tell device to resume normal operations + */ + static void eeh_report_resume(struct pci_dev *dev, void *userdata) { struct pci_driver *driver = dev->driver; @@ -148,6 +156,13 @@ static void eeh_report_resume(struct pci_dev *dev, void *userdata) driver->err_handler->resume(dev); } +/** + * eeh_report_failure - tell device driver that device is dead. + * + * This informs the device driver that the device is permanently + * dead, and that no further recovery attempts will be made on it. + */ + static void eeh_report_failure(struct pci_dev *dev, void *userdata) { struct pci_driver *driver = dev->driver; @@ -190,11 +205,11 @@ static void eeh_report_failure(struct pci_dev *dev, void *userdata) /** * eeh_reset_device() -- perform actual reset of a pci slot - * Args: bus: pointer to the pci bus structure corresponding + * @bus: pointer to the pci bus structure corresponding * to the isolated slot. A non-null value will * cause all devices under the bus to be removed * and then re-added. - * pe_dn: pointer to a "Partionable Endpoint" device node. + * @pe_dn: pointer to a "Partionable Endpoint" device node. * This is the top-level structure on which pci * bus resets can be performed. */ |