diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2021-01-26 14:04:33 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-01-26 13:09:39 -0700 |
| commit | 2126979183148a1bbe8aebe67079856c15ae1763 (patch) | |
| tree | f0b343e8ee144e937baeb805b20e3c26faec3e4d /drivers/block | |
| parent | 416c05477772c147190d6b2371254510c81a4a04 (diff) | |
mtip32xx: prefer pcie_capability_read_word()
Replace pci_read_config_word() with pcie_capability_read_word().
pcie_capability_read_word() takes care of a few special cases when reading
the PCIe capability. See 8c0d3a02c130 ("PCI: Add accessors for PCI Express
Capability").
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index b58f3a59b5bb..3be0dbc674bd 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3924,14 +3924,10 @@ static DEFINE_HANDLER(7); static void mtip_disable_link_opts(struct driver_data *dd, struct pci_dev *pdev) { - int pos; unsigned short pcie_dev_ctrl; - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - if (pos) { - pci_read_config_word(pdev, - pos + PCI_EXP_DEVCTL, - &pcie_dev_ctrl); + if (pci_is_pcie(pdev)) { + pcie_capability_read_word(pdev, PCI_EXP_DEVCTL, &pcie_dev_ctrl); if (pcie_dev_ctrl & PCI_EXP_DEVCTL_NOSNOOP_EN || pcie_dev_ctrl & PCI_EXP_DEVCTL_RELAX_EN) { dev_info(&dd->pdev->dev, @@ -3939,8 +3935,7 @@ static void mtip_disable_link_opts(struct driver_data *dd, struct pci_dev *pdev) pdev->vendor, pdev->device); pcie_dev_ctrl &= ~(PCI_EXP_DEVCTL_NOSNOOP_EN | PCI_EXP_DEVCTL_RELAX_EN); - pci_write_config_word(pdev, - pos + PCI_EXP_DEVCTL, + pcie_capability_write_word(pdev, PCI_EXP_DEVCTL, pcie_dev_ctrl); } } |