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