Re: [PATCH v3 13/32] PCI/MIPS: use PCIe capabilities access functionsto simplify implementation

From: David Daney
Date: Mon Aug 13 2012 - 17:40:10 EST


On 08/01/2012 08:54 AM, Jiang Liu wrote:
From: Jiang Liu<jiang.liu@xxxxxxxxxx>

Use PCIe capabilities access functions to simplify PCIe MIPS implementation.

Signed-off-by: Jiang Liu<liuj97@xxxxxxxxx>

Acked-by: David Daney <david.daney@xxxxxxxxxx>

---
arch/mips/pci/pci-octeon.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c
index 52a1ba7..aaed2ad 100644
--- a/arch/mips/pci/pci-octeon.c
+++ b/arch/mips/pci/pci-octeon.c
@@ -117,16 +117,11 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
}

/* Enable the PCIe normal error reporting */
- pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
- if (pos) {
- /* Update Device Control */
- pci_read_config_word(dev, pos + PCI_EXP_DEVCTL,&config);
- config |= PCI_EXP_DEVCTL_CERE; /* Correctable Error Reporting */
- config |= PCI_EXP_DEVCTL_NFERE; /* Non-Fatal Error Reporting */
- config |= PCI_EXP_DEVCTL_FERE; /* Fatal Error Reporting */
- config |= PCI_EXP_DEVCTL_URRE; /* Unsupported Request */
- pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, config);
- }
+ config = PCI_EXP_DEVCTL_CERE; /* Correctable Error Reporting */
+ config |= PCI_EXP_DEVCTL_NFERE; /* Non-Fatal Error Reporting */
+ config |= PCI_EXP_DEVCTL_FERE; /* Fatal Error Reporting */
+ config |= PCI_EXP_DEVCTL_URRE; /* Unsupported Request */
+ pci_pcie_capability_change_word(dev, PCI_EXP_DEVCTL, config, 0);

/* Find the Advanced Error Reporting capability */
pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/