--- ide-features.c.orig	Fri Feb  9 19:40:02 2001
+++ ide-features.c	Fri May  3 20:21:58 2002
@@ -281,12 +281,18 @@
  */
 int ide_config_drive_speed (ide_drive_t *drive, byte speed)
 {
+	ide_hwgroup_t *hwgroup = HWGROUP(drive);
 	ide_hwif_t *hwif = HWIF(drive);
 	int	i, error = 1;
-	byte stat;
+	byte stat,unit;
+
+	if (hwgroup->busy) {
+		printk("Argh: hwgroup is busy in ide_config_drive_speed\n");
+		return error;
+	}
 
 #if defined(CONFIG_BLK_DEV_IDEDMA) && !defined(CONFIG_DMA_NONPCI)
-	byte unit = (drive->select.b.unit & 0x01);
+	unit = (drive->select.b.unit & 0x01);
 	outb(inb(hwif->dma_base+2) & ~(1<<(5+unit)), hwif->dma_base+2);
 #endif /* (CONFIG_BLK_DEV_IDEDMA) && !(CONFIG_DMA_NONPCI) */