From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: linux-ide@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] ide: skip probe if there are no devices on the port
Date: Wed, 20 May 2009 17:33:06 +0200 [thread overview]
Message-ID: <200905201733.06830.bzolnier@gmail.com> (raw)
In ide_probe_port() skip probe if ide_port_wait_ready() returns -ENODEV
and print error message instead of debug one if it returns -EBUSY.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
against Linus' tree
drivers/ide/ide-probe.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -702,8 +702,12 @@ static int ide_probe_port(ide_hwif_t *hw
if (irqd)
disable_irq(hwif->irq);
- if (ide_port_wait_ready(hwif) == -EBUSY)
- printk(KERN_DEBUG "%s: Wait for ready failed before probe !\n", hwif->name);
+ rc = ide_port_wait_ready(hwif);
+ if (rc == -ENODEV) {
+ printk(KERN_INFO "%s: no devices on the port\n", hwif->name);
+ goto out;
+ } else if (rc == -EBUSY)
+ printk(KERN_ERR "%s: not ready before the probe\n", hwif->name);
/*
* Second drive should only exist if first drive was found,
@@ -714,7 +718,7 @@ static int ide_probe_port(ide_hwif_t *hw
if (drive->dev_flags & IDE_DFLAG_PRESENT)
rc = 0;
}
-
+out:
/*
* Use cached IRQ number. It might be (and is...) changed by probe
* code above
reply other threads:[~2009-05-20 15:32 UTC|newest]
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