ide: increase timeout in wait_drive_not_busy()

Some ATAPI devices take longer than the current max timeout value to
become ready (i.e. TEAC DV-W28ECW takes 6 ms) so increase the timeout
value to 10 ms.

This fixes kernel.org bugzilla bug #10887:
http://bugzilla.kernel.org/show_bug.cgi?id=10887

Reported-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-taskfile.c

@@ -225,10 +225,10 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
 	u8 stat;
 
 	/*
-	 * Last sector was transfered, wait until drive is ready.
-	 * This can take up to 10 usec, but we will wait max 1 ms.
+	 * Last sector was transfered, wait until device is ready.  This can
+	 * take up to 6 ms on some ATAPI devices, so we will wait max 10 ms.
 	 */
-	for (retries = 0; retries < 100; retries++) {
+	for (retries = 0; retries < 1000; retries++) {
 		stat = ide_read_status(drive);
 
 		if (stat & BUSY_STAT)