[PATCH 4/7] libata: move polling idle irq check to ata_host_intr()

[Albert Lee <albertcc@tw.ibm.com>]

patch 4/7:
move the polling idle irq check from ata_interrupt() to ata_host_intr(),
where it makes more sense.

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
---

diff -Nrup 03_smart_flush/drivers/ata/libata-core.c 04_polling_check/drivers/ata/libata-core.c
--- 03_smart_flush/drivers/ata/libata-core.c	2007-05-11 10:24:19.000000000 +0800
+++ 04_polling_check/drivers/ata/libata-core.c	2007-05-11 10:25:09.000000000 +0800
@@ -5119,6 +5119,10 @@ inline unsigned int ata_host_intr (struc
 	VPRINTK("ata%u: protocol %d task_state %d\n",
 		ap->print_id, qc->tf.protocol, ap->hsm_task_state);
 
+	/* polling */
+	if (qc->tf.flags & ATA_TFLAG_POLLING)
+		goto idle_irq;
+
 	/* Check whether we are expecting interrupt in this state */
 	switch (ap->hsm_task_state) {
 	case HSM_ST_FIRST:
@@ -5229,8 +5233,7 @@ irqreturn_t ata_interrupt (int irq, void
 			struct ata_queued_cmd *qc;
 
 			qc = ata_qc_from_tag(ap, ap->active_tag);
-			if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)) &&
-			    (qc->flags & ATA_QCFLAG_ACTIVE))
+			if (qc && (qc->flags & ATA_QCFLAG_ACTIVE))
 				handled |= ata_host_intr(ap, qc);
 		}
 	}