diff options
| author | Sarang Radke <sarang.radke@qlogic.com> | 2012-01-11 02:44:18 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-01-16 12:33:24 +0400 |
| commit | 787649993230eb1d6fc326f13be285a840092538 (patch) | |
| tree | e3d6b283cac4d6f4fc99e067fdef4e13523e6785 /drivers/scsi | |
| parent | 527c8b2e962d21baa38a96b22e1bf50a47fdf4fb (diff) | |
| download | linux-787649993230eb1d6fc326f13be285a840092538.tar.bz2 | |
[SCSI] qla4xxx: Clear the RISC interrupt bit during FW init
This patch fix kernel panic during kdump.
Signed-off-by: Sarang Radke <sarang.radke@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_init.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_nx.c | 5 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 1bdfa8120ac8..90614f38b55d 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -697,6 +697,9 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha) writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), &ha->reg->ctrl_status); readl(&ha->reg->ctrl_status); + writel(set_rmask(CSR_SCSI_COMPLETION_INTR), + &ha->reg->ctrl_status); + readl(&ha->reg->ctrl_status); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { DEBUG2(printk("scsi%ld: %s: Get firmware " diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 8d6bc1b2ff17..78f1111158d7 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -1875,6 +1875,11 @@ exit: int qla4_8xxx_load_risc(struct scsi_qla_host *ha) { int retval; + + /* clear the interrupt */ + writel(0, &ha->qla4_8xxx_reg->host_int); + readl(&ha->qla4_8xxx_reg->host_int); + retval = qla4_8xxx_device_state_handler(ha); if (retval == QLA_SUCCESS && !test_bit(AF_INIT_DONE, &ha->flags)) |