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From: Masatake YAMATO <jet@gyve.org>
To: bzolnier@gmail.com
Cc: cebbert@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] never called printk statement in ide-taskfile.c::wait_drive_not_busy
Date: Mon, 18 Jun 2007 03:05:52 +0900 (JST)	[thread overview]
Message-ID: <20070618.030552.59480211.jet@gyve.org> (raw)
In-Reply-To: <200706160045.36638.bzolnier@gmail.com>

> Please re-submit this fix in the form of a patch so I can merge it.

Here it is.


diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 30175c7..aa06daf 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -238,7 +238,7 @@ EXPORT_SYMBOL(task_no_data_intr);
 static u8 wait_drive_not_busy(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = HWIF(drive);
-	int retries = 100;
+	int retries;
 	u8 stat;
 
 	/*
@@ -246,10 +246,14 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
 	 * This can take up to 10 usec, but we will wait max 1 ms
 	 * (drive_cmd_intr() waits that long).
 	 */
-	while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--)
-		udelay(10);
+	for (retries = 0; retries < 100; retries++) {
+		if ((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT)
+			udelay(10);
+		else
+			break;
+	}
 
-	if (!retries)
+	if (stat & BUSY_STAT)
 		printk(KERN_ERR "%s: drive still BUSY!\n", drive->name);
 
 	return stat;

  reply	other threads:[~2007-06-17 18:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-05  2:21 [PATCH] never called printk statement in ide-taskfile.c::wait_drive_not_busy Masatake YAMATO
2007-06-05 17:08 ` Chuck Ebbert
2007-06-05 17:35   ` Masatake YAMATO
2007-06-15 22:45     ` Bartlomiej Zolnierkiewicz
2007-06-17 18:05       ` Masatake YAMATO [this message]
2007-06-21 19:56         ` Bartlomiej Zolnierkiewicz

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