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-rw-r--r--drivers/scsi/hpsa.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index a92653a18bd2..89744a152427 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -60,8 +60,11 @@
#define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")"
#define HPSA "hpsa"
-/* How long to wait (in milliseconds) for board to go into simple mode */
-#define MAX_CONFIG_WAIT 30000
+/* How long to wait for CISS doorbell communication */
+#define CLEAR_EVENT_WAIT_INTERVAL 20 /* ms for each msleep() call */
+#define MODE_CHANGE_WAIT_INTERVAL 10 /* ms for each msleep() call */
+#define MAX_CLEAR_EVENT_WAIT 30000 /* times 20 ms = 600 s */
+#define MAX_MODE_CHANGE_WAIT 2000 /* times 10 ms = 20 s */
#define MAX_IOCTL_CONFIG_WAIT 1000
/*define how many times we will try a command because of bus resets */
@@ -6194,14 +6197,14 @@ static void hpsa_wait_for_clear_event_notify_ack(struct ctlr_info *h)
u32 doorbell_value;
unsigned long flags;
/* wait until the clear_event_notify bit 6 is cleared by controller. */
- for (i = 0; i < MAX_CONFIG_WAIT; i++) {
+ for (i = 0; i < MAX_CLEAR_EVENT_WAIT; i++) {
spin_lock_irqsave(&h->lock, flags);
doorbell_value = readl(h->vaddr + SA5_DOORBELL);
spin_unlock_irqrestore(&h->lock, flags);
if (!(doorbell_value & DOORBELL_CLEAR_EVENTS))
break;
/* delay and try again */
- msleep(20);
+ msleep(CLEAR_EVENT_WAIT_INTERVAL);
}
}
@@ -6215,14 +6218,14 @@ static void hpsa_wait_for_mode_change_ack(struct ctlr_info *h)
* (e.g.: hot replace a failed 144GB drive in a RAID 5 set right
* as we enter this code.)
*/
- for (i = 0; i < MAX_CONFIG_WAIT; i++) {
+ for (i = 0; i < MAX_MODE_CHANGE_WAIT; i++) {
spin_lock_irqsave(&h->lock, flags);
doorbell_value = readl(h->vaddr + SA5_DOORBELL);
spin_unlock_irqrestore(&h->lock, flags);
if (!(doorbell_value & CFGTBL_ChangeReq))
break;
/* delay and try again */
- usleep_range(10000, 20000);
+ msleep(MODE_CHANGE_WAIT_INTERVAL);
}
}