From: Tejun Heo <htejun@gmail.com>
Date: Tue, 11 Apr 2006 13:32:19 +0000 (+0900)
Subject: [PATCH] sata_sil24: reimplement hardreset
X-Git-Tag: v2.6.18-rc1~1079^2~107
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ecc2e2b9c97719592b3078d5a5a8666551c91115;p=pandora-kernel.git

[PATCH] sata_sil24: reimplement hardreset

Reimplement hardreset according to the datasheet.  The old hardreset
didn't reset controller status and the controller might not be ready
after reset.  Also, as SStatus is a bit flakey after hardreset,
sata_std_hardrset() didn't use to wait long enough before proceeding.

Note that as we're not depending on SStatus, DET==1 condition cannot
be used to wait for link, so use shorter timeout for no device case.

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