From c0ab424238ceabcaa3a2948f283bcb94f6979c93 Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Fri, 18 Nov 2005 14:22:03 +0900
Subject: [PATCH] [PATCH] sil24: make error_intr less verbose
sil24_error_intr logs all error interrupts. ATAPI devices generates
many harmless errors which can be ignored and all serious ones are
reported via sense data by SCSI layer. Don't log device errors from
ATAPI devices.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
---
drivers/scsi/sata_sil24.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 340641fa1c681..e0d6f194f54f5 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -684,9 +684,15 @@ static void sil24_error_intr(struct ata_port *ap, u32 slot_stat)
if (serror)
writel(serror, port + PORT_SERROR);
- printk(KERN_ERR DRV_NAME " ata%u: error interrupt on port%d\n"
- " stat=0x%x irq=0x%x cmd_err=%d sstatus=0x%x serror=0x%x\n",
- ap->id, ap->port_no, slot_stat, irq_stat, cmd_err, sstatus, serror);
+ /*
+ * Don't log ATAPI device errors. They're supposed to happen
+ * and any serious errors will be logged using sense data by
+ * the SCSI layer.
+ */
+ if (ap->device[0].class != ATA_DEV_ATAPI || cmd_err > PORT_CERR_SDB)
+ printk("ata%u: error interrupt on port%d\n"
+ " stat=0x%x irq=0x%x cmd_err=%d sstatus=0x%x serror=0x%x\n",
+ ap->id, ap->port_no, slot_stat, irq_stat, cmd_err, sstatus, serror);
if (cmd_err == PORT_CERR_DEV || cmd_err == PORT_CERR_SDB) {
/*
--
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