[SCSI] qla2xxx: Correct pci_set_msi() usage semantics.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 6ad1588..db998d8 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -130,18 +130,17 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
 int
 qla2100_pci_config(scsi_qla_host_t *ha)
 {
-       uint16_t w, mwi;
+       int ret;
+       uint16_t w;
        uint32_t d;
        unsigned long flags;
        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 
        pci_set_master(ha->pdev);
-       mwi = 0;
-       if (pci_set_mwi(ha->pdev))
-               mwi = PCI_COMMAND_INVALIDATE;
+       ret = pci_set_mwi(ha->pdev);
 
        pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
-       w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
+       w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
        pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 
        /* Reset expansion ROM address decode enable */
@@ -166,22 +165,22 @@ qla2100_pci_config(scsi_qla_host_t *ha)
 int
 qla2300_pci_config(scsi_qla_host_t *ha)
 {
-       uint16_t        w, mwi;
+       int             ret;
+       uint16_t        w;
        uint32_t        d;
        unsigned long   flags = 0;
        uint32_t        cnt;
        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 
        pci_set_master(ha->pdev);
-       mwi = 0;
-       if (pci_set_mwi(ha->pdev))
-               mwi = PCI_COMMAND_INVALIDATE;
+       ret = pci_set_mwi(ha->pdev);
 
        pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
-       w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
+       w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 
        if (IS_QLA2322(ha) || IS_QLA6322(ha))
                w &= ~PCI_COMMAND_INTX_DISABLE;
+       pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 
        /*
         * If this is a 2300 card and not 2312, reset the
@@ -210,7 +209,7 @@ qla2300_pci_config(scsi_qla_host_t *ha)
                ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 
                if (ha->fb_rev == FPM_2300)
-                       w &= ~PCI_COMMAND_INVALIDATE;
+                       pci_clear_mwi(ha->pdev);
 
                /* Deselect FPM registers. */
                WRT_REG_WORD(&reg->ctrl_status, 0x0);
@@ -227,7 +226,6 @@ qla2300_pci_config(scsi_qla_host_t *ha)
 
                spin_unlock_irqrestore(&ha->hardware_lock, flags);
        }
-       pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 
        pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 
@@ -253,19 +251,18 @@ qla2300_pci_config(scsi_qla_host_t *ha)
 int
 qla24xx_pci_config(scsi_qla_host_t *ha)
 {
-       uint16_t w, mwi;
+       int ret;
+       uint16_t w;
        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);
-       mwi = 0;
-       if (pci_set_mwi(ha->pdev))
-               mwi = PCI_COMMAND_INVALIDATE;
+       ret = pci_set_mwi(ha->pdev);
 
        pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
-       w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
+       w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
        w &= ~PCI_COMMAND_INTX_DISABLE;
        pci_write_config_word(ha->pdev, PCI_COMMAND, w);