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| author | Vikas Chaudhary <vikas.chaudhary@qlogic.com> | 2010-04-28 11:40:37 +0530 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-05-02 15:39:38 -0400 |
| commit | c301b0266c65c8781361ca152981cff4fac05498 (patch) | |
| tree | 65a9d2b77242b63921f31369d3aae073c253f07c | |
| parent | c2393cd2dfdd435416cc097a70cc5f5e4f91a87e (diff) | |
| download | linux-3.10-c301b0266c65c8781361ca152981cff4fac05498.tar.gz linux-3.10-c301b0266c65c8781361ca152981cff4fac05498.tar.bz2 linux-3.10-c301b0266c65c8781361ca152981cff4fac05498.zip | |
[SCSI] qla4xxx: Updated firmware ready timeout algorithm
Updated firmware ready timeout algorithm to prevent
long delays and use jiffies to time out instead of
counter. Also use msleep_interruptible instead of msleep.
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_init.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 7f6cc2ebf46..beaeb18a66a 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -1046,7 +1046,7 @@ static void qla4x00_pci_config(struct scsi_qla_host *ha) static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) { int status = QLA_ERROR; - uint32_t max_wait_time; + unsigned long max_wait_time; unsigned long flags; uint32_t mbox_status; @@ -1078,7 +1078,10 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) spin_unlock_irqrestore(&ha->hardware_lock, flags); /* Wait for firmware to come UP. */ - max_wait_time = FIRMWARE_UP_TOV * 4; + DEBUG2(printk(KERN_INFO "scsi%ld: %s: Wait up to %d seconds for " + "boot firmware to complete...\n", + ha->host_no, __func__, FIRMWARE_UP_TOV)); + max_wait_time = jiffies + (FIRMWARE_UP_TOV * HZ); do { uint32_t ctrl_status; @@ -1092,16 +1095,15 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) if (mbox_status == MBOX_STS_COMMAND_COMPLETE) break; - DEBUG2(printk("scsi%ld: %s: Waiting for boot firmware to " - "complete... ctrl_sts=0x%x, remaining=%d\n", - ha->host_no, __func__, ctrl_status, - max_wait_time)); + DEBUG2(printk(KERN_INFO "scsi%ld: %s: Waiting for boot " + "firmware to complete... ctrl_sts=0x%x\n", + ha->host_no, __func__, ctrl_status)); - msleep(250); - } while ((max_wait_time--)); + msleep_interruptible(250); + } while (!time_after_eq(jiffies, max_wait_time)); if (mbox_status == MBOX_STS_COMMAND_COMPLETE) { - DEBUG(printk("scsi%ld: %s: Firmware has started\n", + DEBUG(printk(KERN_INFO "scsi%ld: %s: Firmware has started\n", ha->host_no, __func__)); spin_lock_irqsave(&ha->hardware_lock, flags); |