mtd: nand: omap_gpmc: support reading metadata from OOB

[karo-tx-uboot.git] / drivers / mtd / nand / fsl_upm.c

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 11eb167e37f45c49ff16e00b511acf87efe49dfa..65ce98ad5e332b8704344c990fa21e7da4d6827e 100644 (file)
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -4,10 +4,7 @@
  * Copyright (C) 2007 MontaVista Software, Inc.
  *                    Anton Vorontsov <avorontsov@ru.mvista.com>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <config.h>
@@ -115,10 +112,10 @@ static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
        fsl_upm_run_pattern(&fun->upm, fun->width, io_addr, mar);
 
        /*
-         * Some boards/chips needs this.  At least the MPC8360E-RDK
-         * needs it.  Probably weird chip, because I don't see any
-         * need for this on MPC8555E + Samsung K9F1G08U0A.  Usually
-         * here are 0-2 unexpected busy states per block read.
+        * Some boards/chips needs this.  At least the MPC8360E-RDK
+        * needs it.  Probably weird chip, because I don't see any
+        * need for this on MPC8555E + Samsung K9F1G08U0A.  Usually
+        * here are 0-2 unexpected busy states per block read.
         */
        if (fun->wait_flags & FSL_UPM_WAIT_RUN_PATTERN)
                fun_wait(fun);
@@ -156,6 +153,7 @@ static void upm_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
                buf[i] = in_8(chip->IO_ADDR_R);
 }
 
+#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
 static int upm_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
 {
        int i;
@@ -168,6 +166,7 @@ static int upm_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
 
        return 0;
 }
+#endif
 
 static int nand_dev_ready(struct mtd_info *mtd)
 {
@@ -194,7 +193,9 @@ int fsl_upm_nand_init(struct nand_chip *chip, struct fsl_upm_nand *fun)
        chip->read_byte = upm_nand_read_byte;
        chip->read_buf = upm_nand_read_buf;
        chip->write_buf = upm_nand_write_buf;
+#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
        chip->verify_buf = upm_nand_verify_buf;
+#endif
        if (fun->dev_ready)
                chip->dev_ready = nand_dev_ready;