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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
[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>
authored by Andrew Vasquez and committed by James Bottomley f85ec187 fd34f556
+4
-21
drivers/scsi/qla2xxx/qla_init.c
+4
-21
drivers/scsi/qla2xxx/qla_init.c
···
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uint32_t d;
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unsigned long flags = 0;
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struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
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-
int pcix_cmd_reg, pcie_dctl_reg;
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pci_set_master(ha->pdev);
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ret = pci_set_mwi(ha->pdev);
···
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pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
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/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
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-
pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
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-
if (pcix_cmd_reg) {
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-
uint16_t pcix_cmd;
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-
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pcix_cmd_reg += PCI_X_CMD;
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pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
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pcix_cmd &= ~PCI_X_CMD_MAX_READ;
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pcix_cmd |= 0x0008;
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pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
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-
}
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+
if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
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+
pcix_set_mmrbc(ha->pdev, 2048);
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/* PCIe -- adjust Maximum Read Request Size (2048). */
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-
pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
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if (pcie_dctl_reg) {
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uint16_t pcie_dctl;
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-
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pcie_dctl_reg += PCI_EXP_DEVCTL;
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pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
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pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
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pcie_dctl |= 0x4000;
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pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
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}
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+
if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
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+
pcie_set_readrq(ha->pdev, 2048);
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/* Reset expansion ROM address decode enable */
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pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);