android/android_kernel_asus_sm8350
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[PATCH] libata: implement ata_dev_disable()

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This patch implements ata_dev_disable() which prints a warning message
and takes @dev offline.  Currently, this is done by explicitly
incrementing dev->class with case-by-case warning messages.  Giving
user clear indication when libata gives up will be more important as
libata will be doing more retries.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2006-03-24 15:25:31 +09:00 committed by Jeff Garzik
parent 1f7dd3e9d6
commit 0b8efb0a16
1 changed files with 9 additions and 0 deletions
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9
drivers/scsi/libata-core.c
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@ -394,6 +394,15 @@ static const char *ata_mode_string(unsigned int xfer_mask)
return "<n/a>";
}
static void ata_dev_disable(struct ata_port *ap, struct ata_device *dev)
{
if (ata_dev_present(dev)) {
printk(KERN_WARNING "ata%u: dev %u disabled\n",
ap->id, dev->devno);
dev->class++;
}
}
/**
* ata_pio_devchk - PATA device presence detection
* @ap: ATA channel to examine