Commit a1bd9e68 authored by Alan Cox's avatar Alan Cox Committed by Jeff Garzik

[PATCH] libata: Code for the IRQ mask flag

Signed-off-by: default avatarAlan Cox <alan@redhat.com>

Somewhat cleaner in the resync as someone cleaned up the pio xfer users
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 9d824d07
...@@ -3097,10 +3097,21 @@ static void ata_pio_data_xfer(struct ata_port *ap, unsigned char *buf, ...@@ -3097,10 +3097,21 @@ static void ata_pio_data_xfer(struct ata_port *ap, unsigned char *buf,
static void ata_data_xfer(struct ata_port *ap, unsigned char *buf, static void ata_data_xfer(struct ata_port *ap, unsigned char *buf,
unsigned int buflen, int do_write) unsigned int buflen, int do_write)
{ {
if (ap->flags & ATA_FLAG_MMIO) /* Make the crap hardware pay the costs not the good stuff */
ata_mmio_data_xfer(ap, buf, buflen, do_write); if (unlikely(ap->flags & ATA_FLAG_IRQ_MASK)) {
else unsigned long flags;
ata_pio_data_xfer(ap, buf, buflen, do_write); local_irq_save(flags);
if (ap->flags & ATA_FLAG_MMIO)
ata_mmio_data_xfer(ap, buf, buflen, do_write);
else
ata_pio_data_xfer(ap, buf, buflen, do_write);
local_irq_restore(flags);
} else {
if (ap->flags & ATA_FLAG_MMIO)
ata_mmio_data_xfer(ap, buf, buflen, do_write);
else
ata_pio_data_xfer(ap, buf, buflen, do_write);
}
} }
/** /**
......
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