diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 15:18:27 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 15:19:04 +0400 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/ata/libahci.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
| download | linux-6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e.tar.xz | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/ata/libahci.c')
| -rw-r--r-- | drivers/ata/libahci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index a72bfd0ecfee..f9eaa82311a9 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -737,6 +737,7 @@ static void ahci_power_down(struct ata_port *ap) static void ahci_start_port(struct ata_port *ap) { + struct ahci_host_priv *hpriv = ap->host->private_data; struct ahci_port_priv *pp = ap->private_data; struct ata_link *link; struct ahci_em_priv *emp; @@ -746,6 +747,10 @@ static void ahci_start_port(struct ata_port *ap) /* enable FIS reception */ ahci_start_fis_rx(ap); + /* enable DMA */ + if (!(hpriv->flags & AHCI_HFLAG_DELAY_ENGINE)) + ahci_start_engine(ap); + /* turn on LEDs */ if (ap->flags & ATA_FLAG_EM) { ata_for_each_link(link, ap, EDGE) { |