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(parent: 7e23582) | patch
libata: forbid port runtime pm by default, fixing regression
authorLin Ming <ming.m.lin@intel.com>
Wed, 18 Apr 2012 01:29:47 +0000 (09:29 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 1 Jun 2012 07:15:44 +0000 (15:15 +0800)
commitc8e230a5c50448957a350c0a9119c11c6a7af975
treebfb63e30671330b80baad49d2eb6c15f8267c785tree | snapshot
parent7e23582643704c0ad61a5216b9d418310ceff7b5commit | diff
libata: forbid port runtime pm by default, fixing regression

commit 0c8d32c27f5cf6e14ca14b4758d1e994eebd50fd upstream.

Forbid port runtime pm by default because it has known hotplug issue.
User can allow it by, for example

echo auto > /sys/devices/pci0000:00/0000:00:1f.2/ata2/power/control

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/ata/libata-transport.c diff | blob | history
Linux kernel for KaRo TX COM modules