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| author | Tejun Heo <tj@kernel.org> | 2011-03-16 11:14:55 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2011-04-24 11:32:16 -0400 |
| commit | ae01b2493c3bf03c504c32ac4ebb01d528508db3 (patch) | |
| tree | e2f10e9054ca9c883f59aab7fec776ed2aece281 /drivers/ata/ahci.c | |
| parent | 3f7ac1d6671ebca7a955853f7127c937f7befbd3 (diff) | |
| download | kernel_samsung_smdk4412-ae01b2493c3bf03c504c32ac4ebb01d528508db3.zip kernel_samsung_smdk4412-ae01b2493c3bf03c504c32ac4ebb01d528508db3.tar.gz kernel_samsung_smdk4412-ae01b2493c3bf03c504c32ac4ebb01d528508db3.tar.bz2 | |
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 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 39d829c..cbd38e1 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -150,7 +150,7 @@ static const struct ata_port_info ahci_port_info[] = { { AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ), - .flags = AHCI_FLAG_COMMON, + .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM, .pio_mask = ATA_PIO4, .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, |