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| author | Tejun Heo <tj@kernel.org> | 2009-02-12 10:34:32 +0900 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2009-02-16 18:57:25 -0500 |
| commit | 7dac745b8e367c99175b8f0d014d996f0e5ed9e5 (patch) | |
| tree | 08c631005d7f8ed8efbbedf198375bb8b5daeb28 /drivers/ata/sata_nv.c | |
| parent | d1b3525b4126d7acad0493b62642b80b71442661 (diff) | |
| download | lwn-7dac745b8e367c99175b8f0d014d996f0e5ed9e5.tar.gz lwn-7dac745b8e367c99175b8f0d014d996f0e5ed9e5.zip | |
sata_nv: give up hardreset on nf2
Kernel bz#12176 reports that nf2 hardreset simply doesn't work. Give
up. Argh...
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Robert Hancock <hancockr@shaw.ca>
Reported-by: Saro <saro_v@hotmail.it>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/sata_nv.c')
| -rw-r--r-- | drivers/ata/sata_nv.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 444af0415ca1..55a8eed3f3a3 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -421,19 +421,21 @@ static struct ata_port_operations nv_generic_ops = { .hardreset = ATA_OP_NULL, }; -/* OSDL bz3352 reports that nf2/3 controllers can't determine device - * signature reliably. Also, the following thread reports detection - * failure on cold boot with the standard debouncing timing. +/* nf2 is ripe with hardreset related problems. + * + * kernel bz#3352 reports nf2/3 controllers can't determine device + * signature reliably. The following thread reports detection failure + * on cold boot with the standard debouncing timing. * * http://thread.gmane.org/gmane.linux.ide/34098 * - * Debounce with hotplug timing and request follow-up SRST. + * And bz#12176 reports that hardreset simply doesn't work on nf2. + * Give up on it and just don't do hardreset. */ static struct ata_port_operations nv_nf2_ops = { - .inherits = &nv_common_ops, + .inherits = &nv_generic_ops, .freeze = nv_nf2_freeze, .thaw = nv_nf2_thaw, - .hardreset = nv_noclassify_hardreset, }; /* For initial probing after boot and hot plugging, hardreset mostly |