From: Tejun Heo <htejun@gmail.com>
Date: Sat, 5 Jan 2008 14:11:57 +0000 (+0900)
Subject: ahci: factor out AHCI enabling and enable AHCI before reading CAP
X-Git-Tag: v2.6.25-rc1~1233^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b710a1f4b34438b624e9c6c2dc8bcf54b0b0ba27;p=pandora-kernel.git

ahci: factor out AHCI enabling and enable AHCI before reading CAP

Factor out AHCI enabling into ahci_enable_ahci() and enabling AHCI
before reading CAP in ahci_save_initial_config() as the spec requires
enabling AHCI mode before accessing any other registers.

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