diff options
Diffstat (limited to 'drivers/misc/cxl/pci.c')
| -rw-r--r-- | drivers/misc/cxl/pci.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 2ba899f5659f..3de0aea62ade 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1795,6 +1795,8 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, pci_channel_state_t state) { struct pci_dev *afu_dev; + struct pci_driver *afu_drv; + const struct pci_error_handlers *err_handler; pci_ers_result_t result = PCI_ERS_RESULT_NEED_RESET; pci_ers_result_t afu_result = PCI_ERS_RESULT_NEED_RESET; @@ -1805,14 +1807,16 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, return result; list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { - if (!afu_dev->driver) + afu_drv = to_pci_driver(afu_dev->dev.driver); + if (!afu_drv) continue; afu_dev->error_state = state; - if (afu_dev->driver->err_handler) - afu_result = afu_dev->driver->err_handler->error_detected(afu_dev, - state); + err_handler = afu_drv->err_handler; + if (err_handler) + afu_result = err_handler->error_detected(afu_dev, + state); /* Disconnect trumps all, NONE trumps NEED_RESET */ if (afu_result == PCI_ERS_RESULT_DISCONNECT) result = PCI_ERS_RESULT_DISCONNECT; @@ -1972,6 +1976,8 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev) struct cxl_afu *afu; struct cxl_context *ctx; struct pci_dev *afu_dev; + struct pci_driver *afu_drv; + const struct pci_error_handlers *err_handler; pci_ers_result_t afu_result = PCI_ERS_RESULT_RECOVERED; pci_ers_result_t result = PCI_ERS_RESULT_RECOVERED; int i; @@ -2028,12 +2034,13 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev) * shouldn't start new work until we call * their resume function. */ - if (!afu_dev->driver) + afu_drv = to_pci_driver(afu_dev->dev.driver); + if (!afu_drv) continue; - if (afu_dev->driver->err_handler && - afu_dev->driver->err_handler->slot_reset) - afu_result = afu_dev->driver->err_handler->slot_reset(afu_dev); + err_handler = afu_drv->err_handler; + if (err_handler && err_handler->slot_reset) + afu_result = err_handler->slot_reset(afu_dev); if (afu_result == PCI_ERS_RESULT_DISCONNECT) result = PCI_ERS_RESULT_DISCONNECT; @@ -2060,6 +2067,8 @@ static void cxl_pci_resume(struct pci_dev *pdev) struct cxl *adapter = pci_get_drvdata(pdev); struct cxl_afu *afu; struct pci_dev *afu_dev; + struct pci_driver *afu_drv; + const struct pci_error_handlers *err_handler; int i; /* Everything is back now. Drivers should restart work now. @@ -2074,9 +2083,13 @@ static void cxl_pci_resume(struct pci_dev *pdev) continue; list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { - if (afu_dev->driver && afu_dev->driver->err_handler && - afu_dev->driver->err_handler->resume) - afu_dev->driver->err_handler->resume(afu_dev); + afu_drv = to_pci_driver(afu_dev->dev.driver); + if (!afu_drv) + continue; + + err_handler = afu_drv->err_handler; + if (err_handler && err_handler->resume) + err_handler->resume(afu_dev); } } spin_unlock(&adapter->afu_list_lock); |