Messages in this thread Patch in this message |  | | | From | Jiang Liu <> | | Subject | [RFC PATCH v2 30/32] PCI/tsi721: use PCIe capabilities access functions to simplify implementation | | Date | Wed, 25 Jul 2012 00:41:15 +0800 |
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From: Jiang Liu <jiang.liu@huawei.com>
Use PCIe capabilities access functions to simplify tsi721 driver's implementation.
Signed-off-by: Jiang Liu <liuj97@gmail.com> --- drivers/rapidio/devices/tsi721.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 722246c..4debfdc 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -2212,7 +2212,7 @@ static int __devinit tsi721_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct tsi721_device *priv; - int i, cap; + int i; int err; u32 regval; @@ -2320,20 +2320,19 @@ static int __devinit tsi721_probe(struct pci_dev *pdev, dev_info(&pdev->dev, "Unable to set consistent DMA mask\n"); } - cap = pci_pcie_cap(pdev); - BUG_ON(cap == 0); + BUG_ON(!pci_is_pcie(pdev)); /* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */ - pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL, ®val); + pci_pcie_capability_read_dword(pdev, PCI_EXP_DEVCTL, ®val); regval &= ~(PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN); regval |= 0x2 << MAX_READ_REQUEST_SZ_SHIFT; - pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL, regval); + pci_pcie_capability_write_dword(pdev, PCI_EXP_DEVCTL, regval); /* Adjust PCIe completion timeout. */ - pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL2, ®val); + pci_pcie_capability_read_dword(pdev, PCI_EXP_DEVCTL2, ®val); regval &= ~(0x0f); - pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL2, regval | 0x2); + pci_pcie_capability_write_dword(pdev, PCI_EXP_DEVCTL2, regval | 0x2); /* * FIXUP: correct offsets of MSI-X tables in the MSI-X Capability Block -- 1.7.9.5
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