From: Tejun Heo <htejun@gmail.com>
Date: Sun, 2 Apr 2006 09:51:53 +0000 (+0900)
Subject: [PATCH] libata: clear only affected flags during ata_dev_configure()
X-Git-Tag: v2.6.18-rc1~1079^2~145
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea1dd4e13010eb9dd5ffb4bfabbb472bc238bebb;p=pandora-kernel.git

[PATCH] libata: clear only affected flags during ata_dev_configure()

ata_dev_configure() should not clear dynamic device flags determined
elsewhere.  Lower eight bits are reserved for feature flags, define
ATA_DFLAG_CFG_MASK and clear only those bits before configuring
device.  Without this patch, ATA_DFLAG_PIO gets turned off during
revalidation making PIO mode unuseable.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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