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Commit e1e819cc authored by Yijing Wang's avatar Yijing Wang Committed by James Bottomley
Browse files

[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: default avatarYijing Wang <wangyijing@huawei.com>
Acked-by: default avatarlindar_liu <lindar_liu@usish.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent da1dccce

drivers/scsi/pm8001/pm8001_init.c

+1 −1
Original line number Diff line number Diff line
@@ -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,