diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2009-01-05 11:18:06 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-01-07 15:49:45 -0600 |
| commit | 124f85e6cc0290a85adb7e14cd90e96105f4f9fb (patch) | |
| tree | 590016a8b3c7708466ff9b3c5c459a9170a9eb85 /drivers/scsi | |
| parent | 1ded85e2850b7b890fb6b51241429ed685ec2763 (diff) | |
| download | linux-stable-124f85e6cc0290a85adb7e14cd90e96105f4f9fb.tar.gz linux-stable-124f85e6cc0290a85adb7e14cd90e96105f4f9fb.tar.bz2 linux-stable-124f85e6cc0290a85adb7e14cd90e96105f4f9fb.zip | |
[SCSI] qla2xxx: Don't fallback to interrupt-polling during re-initialization with MSI-X enabled.
ROMs in recent ISPs have MSI-X support, so it's no longer
necessary for the driver to fallback to interrupt polling during
ISP re-initialization.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 2 |
4 files changed, 9 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index fc50221d1a99..191c95de7c67 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2370,6 +2370,8 @@ struct qla_hw_data { IS_QLA84XX(ha)) #define IS_QLA2XXX_MIDTYPE(ha) (IS_QLA24XX(ha) || IS_QLA84XX(ha) || \ IS_QLA25XX(ha)) +#define IS_NOPOLLING_TYPE(ha) (IS_QLA25XX(ha) && \ + (ha)->flags.msix_enabled) #define IS_IIDMA_CAPABLE(ha) ((ha)->device_type & DT_IIDMA) #define IS_FWI2_CAPABLE(ha) ((ha)->device_type & DT_FWI2) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 521d2158d7a9..3ec6eaca96d4 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -570,6 +570,9 @@ qla24xx_reset_risc(scsi_qla_host_t *vha) } spin_unlock_irqrestore(&ha->hardware_lock, flags); + + if (IS_NOPOLLING_TYPE(ha)) + ha->isp_ops->enable_intrs(ha); } /** diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index f03de8c79681..29bf8bc8731a 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -123,8 +123,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) /* Wait for mbx cmd completion until timeout */ - if (!abort_active && io_lock_on) { - + if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) { set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); if (IS_FWI2_CAPABLE(ha)) @@ -218,7 +217,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) /* Clean up */ ha->mcp = NULL; - if (abort_active || !io_lock_on) { + if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) { DEBUG11(printk("%s(%ld): checking for additional resp " "interrupt.\n", __func__, base_vha->host_no)); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 3b1b68c1f6f2..3580c034ab0a 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1329,6 +1329,8 @@ qla24xx_disable_intrs(struct qla_hw_data *ha) unsigned long flags = 0; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; + if (IS_NOPOLLING_TYPE(ha)) + return; spin_lock_irqsave(&ha->hardware_lock, flags); ha->interrupts_on = 0; WRT_REG_DWORD(®->ictrl, 0); |