spl: nand: simple: replace readb() with chip specific read_buf()

[u-boot] / drivers / mtd / nand / fsl_upm.c

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index a0fe1e09ecdfee661c84982565d1ed5bbc8bf5dd..5426c32114162446fa4c07abc2d5e8a2796d6ef9 100644 (file)
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -112,10 +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);
@@ -153,19 +153,6 @@ static void upm_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
                buf[i] = in_8(chip->IO_ADDR_R);
 }
 
-static int upm_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
-{
-       int i;
-       struct nand_chip *chip = mtd->priv;
-
-       for (i = 0; i < len; i++) {
-               if (buf[i] != in_8(chip->IO_ADDR_R))
-                       return -EFAULT;
-       }
-
-       return 0;
-}
-
 static int nand_dev_ready(struct mtd_info *mtd)
 {
        struct nand_chip *chip = mtd->priv;
@@ -191,7 +178,6 @@ 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;
-       chip->verify_buf = upm_nand_verify_buf;
        if (fun->dev_ready)
                chip->dev_ready = nand_dev_ready;