[PATCH] libata-dev: filter out noisy ATAPI error messages

Changes:
 - Filter out ATAPI packet command error messages in ata_pio_error()
 - Filter out ATAPI packet command error messages in ata_host_intr()

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

======
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 41f76b9bf992..911151db8c25 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -3520,11 +3520,12 @@ static void ata_pio_error(struct ata_port *ap)
 {
         struct ata_queued_cmd *qc;
 
-        printk(KERN_WARNING "ata%u: PIO error\n", ap->id);
-
         qc = ata_qc_from_tag(ap, ap->active_tag);
         assert(qc != NULL);
 
+        if (qc->tf.command != ATA_CMD_PACKET)
+                printk(KERN_WARNING "ata%u: PIO error\n", ap->id);
+
         /* make sure qc->err_mask is available to 
          * know what's wrong and recover
          */
@@ -4404,8 +4405,9 @@ fsm_start:
                 break;
 
         case HSM_ST_ERR:
-                printk(KERN_ERR "ata%u: command error, drv_stat 0x%x host_stat 0x%x\n",
-                       ap->id, status, host_stat);
+                if (qc->tf.command != ATA_CMD_PACKET)
+                        printk(KERN_ERR "ata%u: command error, drv_stat 0x%x host_stat 0x%x\n",
+                               ap->id, status, host_stat);
 
                 /* make sure qc->err_mask is available to 
                  * know what's wrong and recover