Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-12 07:01:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

[SCSI] qla4xxx: remove unnecessary read of PCI_CAP_ID_EXP

Browse Source 
The PCIE capability offset is saved during PCI bus walking.  It will
remove an unnecessary search in the PCI configuration space if this
value is referenced instead of reacquiring it.

Signed-off-by: Jon Mason <jdmason@kudzu.us>
Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Jon Mason 2012-07-10 14:57:55 -07:00 committed by James Bottomley
parent 94c122ab01
commit 983bfb5b40
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/qla4xxx/ql4_nx.c
View File

@ -1590,7 +1590,7 @@ qla4_8xxx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start)
}
/* Negotiated Link width */
pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
pcie_cap = pci_pcie_cap(ha->pdev);
pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
ha->link_width = (lnk >> 4) & 0x3f;