From: Heiner Kallweit <hkallweit1@gmail.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
Realtek linux nic maintainers <nic_swsd@realtek.com>,
David Miller <davem@davemloft.net>,
Mirko Lindner <mlindner@marvell.com>,
Stephen Hemminger <stephen@networkplumber.org>,
Clemens Ladisch <clemens@ladisch.de>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
alsa-devel@alsa-project.org
Subject: [PATCH v2 5/8] net: sungem: use pci_status_get_and_clear_errors
Date: Tue, 25 Feb 2020 08:11:59 +0100 [thread overview]
Message-ID: <a5ab63e7-f39c-a525-9940-31427edc81a1@gmail.com> (raw)
In-Reply-To: <c1a84adc-a864-4f46-c8de-7ea533a7fdc3@gmail.com>
Use new helper pci_status_get_and_clear_errors() to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/net/ethernet/sun/sungem.c | 30 +++++++++---------------------
1 file changed, 9 insertions(+), 21 deletions(-)
diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c
index 8358064fb..2d392a7b1 100644
--- a/drivers/net/ethernet/sun/sungem.c
+++ b/drivers/net/ethernet/sun/sungem.c
@@ -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. */
--
2.25.1
next prev parent reply other threads:[~2020-02-25 7:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-25 7:07 [PATCH v2 0/8] PCI: add and use constant PCI_STATUS_ERROR_BITS and helper pci_status_get_and_clear_errors Heiner Kallweit
2020-02-25 7:08 ` [PATCH v2 1/8] PCI: add constant PCI_STATUS_ERROR_BITS Heiner Kallweit
2020-02-25 7:09 ` [PATCH v2 2/8] PCI: add pci_status_get_and_clear_errors Heiner Kallweit
2020-02-25 7:10 ` [PATCH v2 3/8] r8169: use pci_status_get_and_clear_errors Heiner Kallweit
2020-02-25 7:11 ` [PATCH v2 4/8] net: cassini: " Heiner Kallweit
2020-02-25 7:11 ` Heiner Kallweit [this message]
2020-02-25 7:12 ` [PATCH v2 6/8] net: skfp: use PCI_STATUS_ERROR_BITS Heiner Kallweit
2020-02-25 7:13 ` [PATCH v2 7/8] PCI: pci-bridge-emul: " Heiner Kallweit
2020-02-25 10:47 ` kbuild test robot
2020-02-25 7:14 ` [PATCH v2 8/8] sound: bt87x: use pci_status_get_and_clear_errors Heiner Kallweit
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