From: Tejun Heo <htejun@gmail.com>
Date: Sat, 15 Dec 2007 06:05:05 +0000 (+0900)
Subject: libata-acpi: improve _GTF execution error handling and reporting
X-Git-Tag: v2.6.24-rc6~23^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e8634bf8e48e50aa96c7e7becafcf9d98c1a28d;p=pandora-kernel.git

libata-acpi: improve _GTF execution error handling and reporting

As _GTF commands can't transfer data, device error never signals
transfer error.  It indicates that the device vetoed the operation, so
it's meaningless to retry.

This patch makes libata-acpi to report and continue on device errors
when executing _GTF commands.  Also commands rejected by device don't
contribute to the number of _GTF commands executed.

While at it, update _GTF execution reporting such that all successful
commands are logged at KERN_DEBUG and rename taskfile_load_raw() to
ata_acpi_run_tf() for consistency.

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