ata: Do not disable interrupts in ide code for preempt-rt

Use the local_irq_*_nort variants.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/ata/libata-sff.c

@@ -837,9 +837,9 @@ unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf,
 	unsigned long flags;
 	unsigned int consumed;
 
-	local_irq_save(flags);
+	local_irq_save_nort(flags);
 	consumed = ata_sff_data_xfer(dev, buf, buflen, rw);
-	local_irq_restore(flags);
+	local_irq_restore_nort(flags);
 
 	return consumed;
 }
@@ -878,7 +878,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
 		unsigned long flags;
 
 		/* FIXME: use a bounce buffer */
-		local_irq_save(flags);
+		local_irq_save_nort(flags);
 		buf = kmap_atomic(page, KM_IRQ0);
 
 		/* do the actual data transfer */
@@ -886,7 +886,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
 				       do_write);
 
 		kunmap_atomic(buf, KM_IRQ0);
-		local_irq_restore(flags);
+		local_irq_restore_nort(flags);
 	} else {
 		buf = page_address(page);
 		ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
@@ -1016,7 +1016,7 @@ next_sg:
 		unsigned long flags;
 
 		/* FIXME: use bounce buffer */
-		local_irq_save(flags);
+		local_irq_save_nort(flags);
 		buf = kmap_atomic(page, KM_IRQ0);
 
 		/* do the actual data transfer */
@@ -1024,7 +1024,7 @@ next_sg:
 								count, rw);
 
 		kunmap_atomic(buf, KM_IRQ0);
-		local_irq_restore(flags);
+		local_irq_restore_nort(flags);
 	} else {
 		buf = page_address(page);
 		consumed = ap->ops->sff_data_xfer(dev,  buf + offset,