[PATCH] MTD NAND: Fix ams-delta after core conversion

The recent hwctrl core conversion for MTD NAND devices broke the Amstrad
Delta driver.  This fixes it up and uses the existing control line defines
rather than unclear magic numbers.
Signed-off-by: NJonathan McDowell <noodles@earth.li>
Acked-by: NDavid Woodhouse <dwmw2@infradead.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/mtd/nand/ams-delta.c

@@ -130,11 +130,13 @@ static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd,
 	if (ctrl & NAND_CTRL_CHANGE) {
 		unsigned long bits;
 
-		bits = (~ctrl & NAND_NCE) << 2;
-		bits |= (ctrl & NAND_CLE) << 7;
-		bits |= (ctrl & NAND_ALE) << 6;
+		bits = (~ctrl & NAND_NCE) ? AMS_DELTA_LATCH2_NAND_NCE : 0;
+		bits |= (ctrl & NAND_CLE) ? AMS_DELTA_LATCH2_NAND_CLE : 0;
+		bits |= (ctrl & NAND_ALE) ? AMS_DELTA_LATCH2_NAND_ALE : 0;
 
-		ams_delta_latch2_write(0xC2, bits);
+		ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_CLE |
+				AMS_DELTA_LATCH2_NAND_ALE |
+				AMS_DELTA_LATCH2_NAND_NCE, bits);
 	}
 
 	if (cmd != NAND_CMD_NONE)