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authorTejun Heo <tj@kernel.org>2011-03-16 11:14:55 +0100
committerJeff Garzik <jgarzik@pobox.com>2011-04-24 11:32:16 -0400
commitae01b2493c3bf03c504c32ac4ebb01d528508db3 (patch)
treee2f10e9054ca9c883f59aab7fec776ed2aece281 /include/linux
parent3f7ac1d6671ebca7a955853f7127c937f7befbd3 (diff)
libata: Implement ATA_FLAG_NO_DIPM and apply it to mcp65
NVIDIA mcp65 familiy of controllers cause command timeouts when DIPM is used. Implement ATA_FLAG_NO_DIPM and apply it. This problem was reported by Stefan Bader in the following thread. http://thread.gmane.org/gmane.linux.ide/48841 stable: applicable to 2.6.37 and 38. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Stefan Bader <stefan.bader@canonical.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3b4d223a6aff..04f32a3eb26b 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -196,6 +196,7 @@ enum {
* management */
ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity
* led */
+ ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */
/* bits 24:31 of ap->flags are reserved for LLD specific flags */