From: Tejun Heo <htejun@gmail.com>
Date: Sun, 18 May 2008 16:15:07 +0000 (+0900)
Subject: libata: move reset freeze/thaw handling into ata_eh_reset()
X-Git-Tag: v2.6.26-rc4~120^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dc98c32cbe80750ae2d9d9fbdae305d38f005de7;p=pandora-kernel.git

libata: move reset freeze/thaw handling into ata_eh_reset()

Previously reset freeze/thaw handling lived outside of ata_eh_reset()
mainly because the original PMP reset code needed the port frozen
while resetting all the fan-out ports, which is no longer the case.

This patch moves freeze/thaw handling into ata_eh_reset().
@prereset() and @postreset() are now called w/o freezing the port
although @prereset() an be called frozen if the port is frozen prior
to entering ata_eh_reset().

This makes code simpler and will help removing hotplug event related
races.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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