Commit 978c0666 authored by Alan Cox's avatar Alan Cox Committed by Jeff Garzik

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: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 95cc2c70
...@@ -604,7 +604,6 @@ void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) ...@@ -604,7 +604,6 @@ void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
if (ioaddr->ctl_addr) if (ioaddr->ctl_addr)
iowrite8(tf->ctl, ioaddr->ctl_addr); iowrite8(tf->ctl, ioaddr->ctl_addr);
ap->last_ctl = tf->ctl; ap->last_ctl = tf->ctl;
ata_wait_idle(ap);
} }
if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { 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) ...@@ -640,8 +639,6 @@ void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
iowrite8(tf->device, ioaddr->device_addr); iowrite8(tf->device, ioaddr->device_addr);
VPRINTK("device 0x%X\n", tf->device); VPRINTK("device 0x%X\n", tf->device);
} }
ata_wait_idle(ap);
} }
EXPORT_SYMBOL_GPL(ata_sff_tf_load); EXPORT_SYMBOL_GPL(ata_sff_tf_load);
......
...@@ -417,8 +417,6 @@ static void via_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) ...@@ -417,8 +417,6 @@ static void via_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
tf->lbam, tf->lbam,
tf->lbah); tf->lbah);
} }
ata_wait_idle(ap);
} }
static int via_port_start(struct ata_port *ap) static int via_port_start(struct ata_port *ap)
......
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