[PATCH] libata-ncq: implement NCQ device configuration

[linux-2.6-omap-h63xx.git] / drivers / scsi / sata_vsc.c

diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index 8a29ce340b472019b914e32ebfbebaa7f9463dc9..0372be7ff1c924fc5b66a17aa8ab073325c72b34 100644 (file)
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -221,14 +221,21 @@ static irqreturn_t vsc_sata_interrupt (int irq, void *dev_instance,
 
                        ap = host_set->ports[i];
 
-                       if (ap && !(ap->flags &
-                                   (ATA_FLAG_PORT_DISABLED|ATA_FLAG_NOINTR))) {
+                       if (is_vsc_sata_int_err(i, int_status)) {
+                               u32 err_status;
+                               printk(KERN_DEBUG "%s: ignoring interrupt(s)\n", __FUNCTION__);
+                               err_status = ap ? vsc_sata_scr_read(ap, SCR_ERROR) : 0;
+                               vsc_sata_scr_write(ap, SCR_ERROR, err_status);
+                               handled++;
+                       }
+
+                       if (ap && !(ap->flags & ATA_FLAG_DISABLED)) {
                                struct ata_queued_cmd *qc;
 
                                qc = ata_qc_from_tag(ap, ap->active_tag);
-                               if (qc && (!(qc->tf.ctl & ATA_NIEN))) {
+                               if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
                                        handled += ata_host_intr(ap, qc);
-                               } else if (is_vsc_sata_int_err(i, int_status)) {
+                               else if (is_vsc_sata_int_err(i, int_status)) {
                                        /*
                                         * On some chips (i.e. Intel 31244), an error
                                         * interrupt will sneak in at initialization