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authorYijing Wang <wangyijing@huawei.com>2013-08-08 21:10:21 +0800
committerJames Bottomley <JBottomley@Parallels.com>2013-08-26 18:53:47 +0400
commite1e819cc9608760e9b5d094f8198c33238b01336 (patch)
treee8962fb5f4dcc140d08a2930982c44e339f314d7 /drivers/scsi/pm8001
parentda1dccce128f6d5efc6fb8778d277bf2f4abeeb6 (diff)
downloadlinux-e1e819cc9608760e9b5d094f8198c33238b01336.tar.bz2
[SCSI] pm8001: 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> Acked-by: lindar_liu <lindar_liu@usish.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/pm8001')
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 44c2f825eb3e..f7c189606b84 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -735,7 +735,7 @@ static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
pdev = pm8001_ha->pdev;
#ifdef PM8001_USE_MSIX
- if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
+ if (pdev->msix_cap)
return pm8001_setup_msix(pm8001_ha);
else {
PM8001_INIT_DBG(pm8001_ha,