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authorbrking@us.ibm.com <brking@us.ibm.com>2005-11-01 17:01:54 -0600
committerJames Bottomley <jejb@mulgrave.(none)>2005-11-06 13:05:42 -0600
commit3d1d0da67520aa5dbcea617d52546ae046e946a4 (patch)
treeddbf40e4161cea381add46f34b74f91b9e08f486 /drivers/scsi/ipr.c
parentb0df54bb4c9df6c1b1633a9f990b718059cda394 (diff)
[SCSI] ipr: Runtime reset
Some IPR RAID adapter will automatically create single device RAID arrays for all attached devices when the card is initialized. Setting the RUNTIME_RESET doorbell bit will prevent this from occurring, since we only want this behavior the first time the card is initialized and not each time the card happens to get reset. Signed-off-by: Brian King <brking@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r--drivers/scsi/ipr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index b773852b4ea..97f33ddc7bd 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4281,6 +4281,7 @@ static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd)
ioa_cfg->in_reset_reload = 0;
ioa_cfg->allow_cmds = 1;
ioa_cfg->reset_cmd = NULL;
+ ioa_cfg->doorbell |= IPR_RUNTIME_RESET;
list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
if (ioa_cfg->allow_ml_add_del && (res->add_to_ml || res->del_from_ml)) {
@@ -5101,7 +5102,7 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
}
/* Enable destructive diagnostics on IOA */
- writel(IPR_DOORBELL, ioa_cfg->regs.set_uproc_interrupt_reg);
+ writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg);
writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg);
int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
@@ -5917,6 +5918,7 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
ioa_cfg->host = host;
ioa_cfg->pdev = pdev;
ioa_cfg->log_level = ipr_log_level;
+ ioa_cfg->doorbell = IPR_DOORBELL;
sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER);
sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL);
sprintf(ioa_cfg->ipr_free_label, IPR_FREEQ_LABEL);