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

drivers/scsi/libata-core.c

+15 −4
Original line number Diff line number Diff line
@@ -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,

			  unsigned int buflen, int do_write)

{

	/* Make the crap hardware pay the costs not the good stuff */

	if (unlikely(ap->flags & ATA_FLAG_IRQ_MASK)) {

		unsigned long flags;

		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);

	}

}



/**