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net: sun: use pci_status_get_and_clear_errors

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Use new helper pci_status_get_and_clear_errors() to simplify the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2020-02-29 23:26:49 +01:00 • committed by David S. Miller
parent 2864a883f9
commit 0800d88e2c
2 changed files with 24 additions and 44 deletions
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38
drivers/net/ethernet/sun/cassini.c
View file

@ -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)
netdev_err(dev, "PCI parity error detected\n");
if (cfg & PCI_STATUS_SIG_TARGET_ABORT)
netdev_err(dev, "PCI target abort\n");
if (cfg & PCI_STATUS_REC_TARGET_ABORT)
netdev_err(dev, "PCI master acks target abort\n");
if (cfg & PCI_STATUS_REC_MASTER_ABORT)
netdev_err(dev, "PCI master abort\n");
if (cfg & PCI_STATUS_SIG_SYSTEM_ERROR)
netdev_err(dev, "PCI system error SERR#\n");
if (cfg & PCI_STATUS_DETECTED_PARITY)
netdev_err(dev, "PCI parity error\n");
pci_errs = pci_status_get_and_clear_errors(cp->pdev);
/* 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);
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 (pci_errs & PCI_STATUS_SIG_TARGET_ABORT)
netdev_err(dev, "PCI target abort\n");
if (pci_errs & PCI_STATUS_REC_TARGET_ABORT)
netdev_err(dev, "PCI master acks target abort\n");
if (pci_errs & PCI_STATUS_REC_MASTER_ABORT)
netdev_err(dev, "PCI master abort\n");
if (pci_errs & PCI_STATUS_SIG_SYSTEM_ERROR)
netdev_err(dev, "PCI system error SERR#\n");
if (pci_errs & PCI_STATUS_DETECTED_PARITY)
netdev_err(dev, "PCI parity error\n");
}
/* For all PCI errors, we should reset the chip. */

30
drivers/net/ethernet/sun/sungem.c
View file

@ -545,37 +545,25 @@ static int gem_pci_interrupt(struct net_device *dev, struct gem *gp, u32 gem_sta
}
if (pci_estat & GREG_PCIESTAT_OTHER) {
u16 pci_cfg_stat;
int pci_errs;
/* Interrogate PCI config space for the
* true cause.
*/
pci_read_config_word(gp->pdev, PCI_STATUS,
&pci_cfg_stat);
netdev_err(dev, "Read PCI cfg space status [%04x]\n",
pci_cfg_stat);
if (pci_cfg_stat & PCI_STATUS_PARITY)
pci_errs = pci_status_get_and_clear_errors(gp->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 (pci_cfg_stat & PCI_STATUS_SIG_TARGET_ABORT)
if (pci_errs & PCI_STATUS_SIG_TARGET_ABORT)
netdev_err(dev, "PCI target abort\n");
if (pci_cfg_stat & PCI_STATUS_REC_TARGET_ABORT)
if (pci_errs & PCI_STATUS_REC_TARGET_ABORT)
netdev_err(dev, "PCI master acks target abort\n");
if (pci_cfg_stat & PCI_STATUS_REC_MASTER_ABORT)
if (pci_errs & PCI_STATUS_REC_MASTER_ABORT)
netdev_err(dev, "PCI master abort\n");
if (pci_cfg_stat & PCI_STATUS_SIG_SYSTEM_ERROR)
if (pci_errs & PCI_STATUS_SIG_SYSTEM_ERROR)
netdev_err(dev, "PCI system error SERR#\n");
if (pci_cfg_stat & 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. */
pci_cfg_stat &= (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(gp->pdev,
PCI_STATUS, pci_cfg_stat);
}
/* For all PCI errors, we should reset the chip. */