From fe79e683ccdb29c13b3e0d18507474b4e2d9aab6 Mon Sep 17 00:00:00 2001
From: Albert Lee <albertcc@tw.ibm.com>
Date: Tue, 6 Dec 2005 11:34:59 +0800
Subject: [PATCH] [PATCH] libata: err_mask misc fix

  1. ata_pio_complete():
     It seems unnecessary to wait for the clearing of the DRQ bit.
     (Waiting for BSY=0 should be enough.
     ata_ok() also checks the correctness of the status bits later.)

  2. ata_pio_block():
     - added error checking, before transfering data.
     - minor comments fix

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>

============
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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