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(parent: 2984411) | patch
ntb: clean up unnecessary MSI/MSI-X capability find
authorYijing Wang <wangyijing@huawei.com>
Thu, 8 Aug 2013 13:09:34 +0000 (21:09 +0800)
committerJon Mason <jon.mason@intel.com>
Thu, 5 Sep 2013 18:08:01 +0000 (11:08 -0700)
commit73f47cadfe29f98c48d7fbac4dd79d3e7979ee0b
tree209fd32c973c7573146d2aa50898d6143e0340a9tree | snapshot (tar.gz zip)
parent2984411f1af45ab27092f7dc5678bbbfb94fbed3commit | diff
ntb: clean up unnecessary MSI/MSI-X capability find

PCI core will initialize device MSI/MSI-X capability in
pci_msi_init_pci_dev(). So device driver should use
pci_dev->msi_cap/msix_cap to determine whether the device
support MSI/MSI-X instead of using
pci_find_capability(pci_dev, PCI_CAP_ID_MSI/MSIX).
Access to PCIe device config space again will consume more time.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Jon Mason <jon.mason@intel.com>
drivers/ntb/ntb_hw.c diff | blob | blame | history