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Set PCI-X and PCI-E readahead to what QLogic manuals recommend.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@276 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Stanislaw Gruszka
2008-02-12 10:46:32 +00:00
parent 4bea275344
commit 1d33858644
1 changed files with 10 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
qla_isp/linux/isp_pci.c
+10 -11
View File
@@ -1,4 +1,4 @@
/* $Id: isp_pci.c,v 1.150 2007/12/26 22:37:25 mjacob Exp $ */
/* $Id: isp_pci.c,v 1.151 2008/01/11 22:41:51 mjacob Exp $ */
/*
* Copyright (c) 1997-2007 by Matthew Jacob
* All rights reserved.
@@ -597,12 +597,14 @@ isplinux_pci_init_one(struct Scsi_Host *host)
/* PCI Rev 2.3 changes */
if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP6312 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2322) {
/* enable PCI-INTX */
pci_intx(pdev, 1);
}
if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432) {
int reg;
/* enable PCI-INTX */
pci_intx(pdev, 1);
/*
@@ -611,12 +613,9 @@ isplinux_pci_init_one(struct Scsi_Host *host)
reg = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
if (reg) {
uint16_t pxcmd;
reg += 0x2;
pci_read_config_word(pdev, reg, &pxcmd);
pxcmd &= ~PCI_X_CMD_MAX_READ;
pxcmd |= 0x8;
pci_write_config_word(pdev, reg, pxcmd);
pci_read_config_word(pdev, reg + PCI_X_CMD, &pxcmd);
pxcmd |= PCI_X_CMD_MAX_READ; /* 4K READ BURST */
pci_write_config_word(pdev, reg + PCI_X_CMD, pxcmd);
}
/*
@@ -627,10 +626,10 @@ isplinux_pci_init_one(struct Scsi_Host *host)
uint16_t pectl;
reg += 0x8;
pci_read_config_word(pdev, reg, &pectl);
pectl &= ~0x7000;
pectl |= 0x4000;
pci_write_config_word(pdev, reg, pectl);
pci_read_config_word(pdev, reg + PCI_EXP_DEVCTL, &pectl);
pectl &= ~PCI_EXP_DEVCTL_READRQ;
pectl |= (5 << 12); /* 4K READ BURST */
pci_write_config_word(pdev, reg + PCI_EXP_DEVCTL, pectl);
}
}