]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit96f0621928615cb9b66d614c31b89e9b036eeec0
tree209fd32c973c7573146d2aa50898d6143e0340a9
parent5b115344c02d7f56ad8871a3eebbfe063643e5c7
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