diff options
| author |   Alan Cox <alan@linux.intel.com> | 2010-05-05 10:24:57 +0100 |
|---|---|---|
| committer |   Jeff Garzik <jgarzik@redhat.com> | 2010-05-14 22:25:00 -0400 |
| commit | 978c066691a49a205673672a55685305663a2554 (patch) | |
| tree | df380b8415c17d80586a111c4492ac6bad7d5afb /drivers/ata | |
| parent | sata_nv: use ata_pci_sff_activate_host() instead of ata_host_activate() (diff) | |
| download | linux-dev-978c066691a49a205673672a55685305663a2554.tar.xz linux-dev-978c066691a49a205673672a55685305663a2554.zip | |
libata: Remove excess delay in the tf_load path
We don't need to stall and wait after loading the task file and before
issuing a command, so don't do it. This shows up on profiles and is not
needed.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-sff.c | 3 | ||||
| -rw-r--r-- | drivers/ata/pata_via.c | 2 |
2 files changed, 0 insertions, 5 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index c0a905438896..3cc385dbfe2a 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -604,7 +604,6 @@ void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) if (ioaddr->ctl_addr) iowrite8(tf->ctl, ioaddr->ctl_addr); ap->last_ctl = tf->ctl; - ata_wait_idle(ap); } if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { @@ -640,8 +639,6 @@ void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) iowrite8(tf->device, ioaddr->device_addr); VPRINTK("device 0x%X\n", tf->device); } - - ata_wait_idle(ap); } EXPORT_SYMBOL_GPL(ata_sff_tf_load); diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 741e7cb69d8c..87fb89e407f7 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -417,8 +417,6 @@ static void via_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) tf->lbam, tf->lbah); } - - ata_wait_idle(ap); } static int via_port_start(struct ata_port *ap) |