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authorAndrew Vasquez <andrew.vasquez@qlogic.com>2007-07-19 15:06:01 -0700
committerJames Bottomley <jejb@mulgrave.localdomain>2007-07-20 09:24:41 -0500
commitf85ec187dcd65c76dcb29f70ff3b5c7f2ae37cc8 (patch)
tree80636a2211f25ec39db8449b11279e1fdccb7a90 /drivers/scsi/qla2xxx
parentfd34f55694a784052981977cb84c50ea369ffc68 (diff)
[SCSI] qla2xxx: Use PCI-X/PCI-Express read control interfaces.
Original from Peter Oruba <peter.oruba@amd.com>. Additional cleanups included. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c25
1 files changed, 4 insertions, 21 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 401a8798ce5..622cf8f15fc 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -255,7 +255,6 @@ qla24xx_pci_config(scsi_qla_host_t *ha)
uint32_t d;
unsigned long flags = 0;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
- int pcix_cmd_reg, pcie_dctl_reg;
pci_set_master(ha->pdev);
ret = pci_set_mwi(ha->pdev);
@@ -268,28 +267,12 @@ qla24xx_pci_config(scsi_qla_host_t *ha)
pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
- pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
- if (pcix_cmd_reg) {
- uint16_t pcix_cmd;
-
- pcix_cmd_reg += PCI_X_CMD;
- pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
- pcix_cmd &= ~PCI_X_CMD_MAX_READ;
- pcix_cmd |= 0x0008;
- pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
- }
+ if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
+ pcix_set_mmrbc(ha->pdev, 2048);
/* PCIe -- adjust Maximum Read Request Size (2048). */
- pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
- if (pcie_dctl_reg) {
- uint16_t pcie_dctl;
-
- pcie_dctl_reg += PCI_EXP_DEVCTL;
- pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
- pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
- pcie_dctl |= 0x4000;
- pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
- }
+ if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
+ pcie_set_readrq(ha->pdev, 2048);
/* Reset expansion ROM address decode enable */
pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);