Use new helper pci_status_get_and_clear_errors() to simplify the code. Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> --- drivers/net/ethernet/sun/cassini.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index 6ec9163e2..e6d1aa882 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -1716,34 +1716,26 @@ static int cas_pci_interrupt(struct net_device *dev, struct cas *cp, pr_cont("\n"); if (stat & PCI_ERR_OTHER) { - u16 cfg; + int pci_errs; /* Interrogate PCI config space for the * true cause. */ - pci_read_config_word(cp->pdev, PCI_STATUS, &cfg); - netdev_err(dev, "Read PCI cfg space status [%04x]\n", cfg); - if (cfg & PCI_STATUS_PARITY) + pci_errs = pci_status_get_and_clear_errors(cp->pdev); + + netdev_err(dev, "PCI status errors[%04x]\n", pci_errs); + if (pci_errs & PCI_STATUS_PARITY) netdev_err(dev, "PCI parity error detected\n"); - if (cfg & PCI_STATUS_SIG_TARGET_ABORT) + if (pci_errs & PCI_STATUS_SIG_TARGET_ABORT) netdev_err(dev, "PCI target abort\n"); - if (cfg & PCI_STATUS_REC_TARGET_ABORT) + if (pci_errs & PCI_STATUS_REC_TARGET_ABORT) netdev_err(dev, "PCI master acks target abort\n"); - if (cfg & PCI_STATUS_REC_MASTER_ABORT) + if (pci_errs & PCI_STATUS_REC_MASTER_ABORT) netdev_err(dev, "PCI master abort\n"); - if (cfg & PCI_STATUS_SIG_SYSTEM_ERROR) + if (pci_errs & PCI_STATUS_SIG_SYSTEM_ERROR) netdev_err(dev, "PCI system error SERR#\n"); - if (cfg & PCI_STATUS_DETECTED_PARITY) + if (pci_errs & PCI_STATUS_DETECTED_PARITY) netdev_err(dev, "PCI parity error\n"); - - /* Write the error bits back to clear them. */ - cfg &= (PCI_STATUS_PARITY | - PCI_STATUS_SIG_TARGET_ABORT | - PCI_STATUS_REC_TARGET_ABORT | - PCI_STATUS_REC_MASTER_ABORT | - PCI_STATUS_SIG_SYSTEM_ERROR | - PCI_STATUS_DETECTED_PARITY); - pci_write_config_word(cp->pdev, PCI_STATUS, cfg); } /* For all PCI errors, we should reset the chip. */ -- 2.25.1