[SCSI] aacraid: Detect Blinkled at startup

Received from Mark Salyzyn:

Blinkled at startup is useful for catching Adapters in a lot of pain, in a
BlinkLED assert, quickly; rather than waiting several minutes for commands to
timeout.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 19e42ac07cb2..0fd462a876f9 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -518,6 +518,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
                          */
                         unsigned long count = 36000000L; /* 3 minutes */
                         while (down_trylock(&fibptr->event_wait)) {
+                                int blink;
                                 if (--count == 0) {
                                         spin_lock_irqsave(q->lock, qflags);
                                         q->numpending--;
@@ -530,6 +531,14 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
                                         }
                                         return -ETIMEDOUT;
                                 }
+                                if ((blink = aac_adapter_check_health(dev)) > 0) {
+                                        if (wait == -1) {
+                                                printk(KERN_ERR "aacraid: aac_fib_send: adapter blinkLED 0x%x.\n"
+                                                  "Usually a result of a serious unrecoverable hardware problem\n",
+                                                  blink);
+                                        }
+                                        return -EFAULT;
+                                }
                                 udelay(5);
                         }
                 } else if (down_interruptible(&fibptr->event_wait)) {