From: Mark Haverkamp <markh@osdl.org>
Date: Tue, 21 Nov 2006 18:40:08 +0000 (-0800)
Subject: [SCSI] aacraid: Detect Blinkled at startup
X-Git-Tag: v2.6.20-rc1~34^2~20^2~41^2~37
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=33524b70e8f3dd55a4ba78ad81742c7814e7b0ed;p=karo-tx-linux.git

[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>
---

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)) {