redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[SCSI] qla4xxx: remove unnecessary read of PCI_CAP_ID_EXP 

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>
hifive-unleashed-5.1
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;