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| author | Yang, Bo <Bo.Yang@lsi.com> | 2009-10-06 14:52:20 -0600 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-10-29 13:03:22 -0400 |
| commit | 7218df69e3609d1fcf4d83cf8f3fc89dbfbf82a8 (patch) | |
| tree | 5528220f7f6f18df96fea4e48ce08879e05b4f75 /drivers/scsi/megaraid | |
| parent | 7b2519afa1abd1b9f63aa1e90879307842422dae (diff) | |
| download | linux-7218df69e3609d1fcf4d83cf8f3fc89dbfbf82a8.tar.gz linux-7218df69e3609d1fcf4d83cf8f3fc89dbfbf82a8.tar.bz2 linux-7218df69e3609d1fcf4d83cf8f3fc89dbfbf82a8.zip | |
[SCSI] megaraid_sas: use the firmware boot timeout when waiting for commands
use the constant MEGASAS_RESET_WAIT_TIME when waiting for firmware
commands to complete (currently 3 minutes).
Signed-off-by Bo Yang<bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 23056721a8c9..efd41c1f946c 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -1820,6 +1820,7 @@ megasas_transition_to_ready(struct megasas_instance* instance) u8 max_wait; u32 fw_state; u32 cur_state; + u32 abs_state, curr_abs_state; fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; @@ -1829,6 +1830,9 @@ megasas_transition_to_ready(struct megasas_instance* instance) while (fw_state != MFI_STATE_READY) { + abs_state = + instance->instancet->read_fw_status_reg(instance->reg_set); + switch (fw_state) { case MFI_STATE_FAULT: @@ -1854,7 +1858,7 @@ megasas_transition_to_ready(struct megasas_instance* instance) &instance->reg_set->inbound_doorbell); } - max_wait = 2; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_WAIT_HANDSHAKE; break; @@ -1869,7 +1873,7 @@ megasas_transition_to_ready(struct megasas_instance* instance) writel(MFI_INIT_HOTPLUG, &instance->reg_set->inbound_doorbell); - max_wait = 10; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_BOOT_MESSAGE_PENDING; break; @@ -1888,7 +1892,7 @@ megasas_transition_to_ready(struct megasas_instance* instance) writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell); - max_wait = 60; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_OPERATIONAL; break; @@ -1896,32 +1900,32 @@ megasas_transition_to_ready(struct megasas_instance* instance) /* * This state should not last for more than 2 seconds */ - max_wait = 2; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_UNDEFINED; break; case MFI_STATE_BB_INIT: - max_wait = 2; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_BB_INIT; break; case MFI_STATE_FW_INIT: - max_wait = 20; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_FW_INIT; break; case MFI_STATE_FW_INIT_2: - max_wait = 20; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_FW_INIT_2; break; case MFI_STATE_DEVICE_SCAN: - max_wait = 20; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_DEVICE_SCAN; break; case MFI_STATE_FLUSH_CACHE: - max_wait = 20; + max_wait = MEGASAS_RESET_WAIT_TIME; cur_state = MFI_STATE_FLUSH_CACHE; break; @@ -1937,8 +1941,10 @@ megasas_transition_to_ready(struct megasas_instance* instance) for (i = 0; i < (max_wait * 1000); i++) { fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK ; + curr_abs_state = + instance->instancet->read_fw_status_reg(instance->reg_set); - if (fw_state == cur_state) { + if (abs_state == curr_abs_state) { msleep(1); } else break; @@ -1947,7 +1953,7 @@ megasas_transition_to_ready(struct megasas_instance* instance) /* * Return error if fw_state hasn't changed after max_wait */ - if (fw_state == cur_state) { + if (curr_abs_state == abs_state) { printk(KERN_DEBUG "FW state [%d] hasn't changed " "in %d secs\n", fw_state, max_wait); return -ENODEV; |