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| author | Yijing Wang <wangyijing@huawei.com> | 2013-09-09 21:13:04 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-09-24 12:10:04 -0600 |
| commit | 503275bf371fbab01a14f2e9fd1ac7aa20c81645 (patch) | |
| tree | 295daeca82f990fce2400440234526af6b1bb264 | |
| parent | f1c66c4678ad223bda0dcd261e4048f009234f85 (diff) | |
| download | linux-503275bf371fbab01a14f2e9fd1ac7aa20c81645.tar.gz linux-503275bf371fbab01a14f2e9fd1ac7aa20c81645.tar.bz2 linux-503275bf371fbab01a14f2e9fd1ac7aa20c81645.zip | |
tile/PCI: use cached pci_dev->pcie_mpss to simplify code
The PCI core caches the "PCIe Max Payload Size Supported" in
pci_dev->pcie_mpss, so use that instead of pcie_capability_read_dword().
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
| -rw-r--r-- | arch/tile/kernel/pci.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c index b7180e6e900d..c45593db7718 100644 --- a/arch/tile/kernel/pci.c +++ b/arch/tile/kernel/pci.c @@ -251,15 +251,12 @@ static void fixup_read_and_payload_sizes(void) /* Scan for the smallest maximum payload size. */ for_each_pci_dev(dev) { u32 devcap; - int max_payload; if (!pci_is_pcie(dev)) continue; - pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &devcap); - max_payload = devcap & PCI_EXP_DEVCAP_PAYLOAD; - if (max_payload < smallest_max_payload) - smallest_max_payload = max_payload; + if (dev->pcie_mpss < smallest_max_payload) + smallest_max_payload = dev->pcie_mpss; } /* Now, set the max_payload_size for all devices to that value. */ |