mtd: nand: mxc: Drop now unnecessary functions

Since we have our own read_page/write_page functions correct_data and
calculate are no longer needed. Remove them.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 2811102b0469fe7d536ef6164a2f529eeb49ff01..a7c4fdd1988e601b45153ce9e403e06bc3d61c79 100644 (file)
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -152,8 +152,6 @@ struct mxc_nand_devtype_data {
        u32 (*get_ecc_status)(struct mxc_nand_host *);
        const struct mtd_ooblayout_ops *ooblayout;
        void (*select_chip)(struct mtd_info *mtd, int chip);
-       int (*correct_data)(struct mtd_info *mtd, u_char *dat,
-                       u_char *read_ecc, u_char *calc_ecc);
        int (*setup_data_interface)(struct mtd_info *mtd, int csline,
                                    const struct nand_data_interface *conf);
        void (*enable_hwecc)(struct nand_chip *chip, bool enable);
@@ -727,20 +725,6 @@ static int mxc_nand_dev_ready(struct mtd_info *mtd)
        return 1;
 }
 
-static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)
-{
-       /*
-        * If HW ECC is enabled, we turn it on during init. There is
-        * no need to enable again here.
-        */
-}
-
-static int mxc_nand_correct_data_v1(struct mtd_info *mtd, u_char *dat,
-                                u_char *read_ecc, u_char *calc_ecc)
-{
-       return 0;
-}
-
 static int mxc_nand_read_page_v1(struct nand_chip *chip, void *buf, void *oob,
                                 bool ecc, int page)
 {
@@ -799,12 +783,6 @@ static int mxc_nand_read_page_v1(struct nand_chip *chip, void *buf, void *oob,
        return bitflips_corrected;
 }
 
-static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat,
-                                u_char *read_ecc, u_char *calc_ecc)
-{
-       return 0;
-}
-
 static int mxc_nand_read_page_v2_v3(struct nand_chip *chip, void *buf,
                                    void *oob, bool ecc, int page)
 {
@@ -934,12 +912,6 @@ static int mxc_nand_write_oob(struct mtd_info *mtd, struct nand_chip *chip,
        return mxc_nand_write_page(chip, host->data_buf, false, page);
 }
 
-static int mxc_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
-                                 u_char *ecc_code)
-{
-       return 0;
-}
-
 static u_char mxc_nand_read_byte(struct mtd_info *mtd)
 {
        struct nand_chip *nand_chip = mtd_to_nand(mtd);
@@ -1592,7 +1564,6 @@ static const struct mxc_nand_devtype_data imx21_nand_devtype_data = {
        .get_ecc_status = get_ecc_status_v1,
        .ooblayout = &mxc_v1_ooblayout_ops,
        .select_chip = mxc_nand_select_chip_v1_v3,
-       .correct_data = mxc_nand_correct_data_v1,
        .enable_hwecc = mxc_nand_enable_hwecc_v1_v2,
        .irqpending_quirk = 1,
        .needs_ip = 0,
@@ -1617,7 +1588,6 @@ static const struct mxc_nand_devtype_data imx27_nand_devtype_data = {
        .get_ecc_status = get_ecc_status_v1,
        .ooblayout = &mxc_v1_ooblayout_ops,
        .select_chip = mxc_nand_select_chip_v1_v3,
-       .correct_data = mxc_nand_correct_data_v1,
        .enable_hwecc = mxc_nand_enable_hwecc_v1_v2,
        .irqpending_quirk = 0,
        .needs_ip = 0,
@@ -1643,7 +1613,6 @@ static const struct mxc_nand_devtype_data imx25_nand_devtype_data = {
        .get_ecc_status = get_ecc_status_v2,
        .ooblayout = &mxc_v2_ooblayout_ops,
        .select_chip = mxc_nand_select_chip_v2,
-       .correct_data = mxc_nand_correct_data_v2_v3,
        .setup_data_interface = mxc_nand_v2_setup_data_interface,
        .enable_hwecc = mxc_nand_enable_hwecc_v1_v2,
        .irqpending_quirk = 0,
@@ -1670,7 +1639,6 @@ static const struct mxc_nand_devtype_data imx51_nand_devtype_data = {
        .get_ecc_status = get_ecc_status_v3,
        .ooblayout = &mxc_v2_ooblayout_ops,
        .select_chip = mxc_nand_select_chip_v1_v3,
-       .correct_data = mxc_nand_correct_data_v2_v3,
        .enable_hwecc = mxc_nand_enable_hwecc_v3,
        .irqpending_quirk = 0,
        .needs_ip = 1,
@@ -1697,7 +1665,6 @@ static const struct mxc_nand_devtype_data imx53_nand_devtype_data = {
        .get_ecc_status = get_ecc_status_v3,
        .ooblayout = &mxc_v2_ooblayout_ops,
        .select_chip = mxc_nand_select_chip_v1_v3,
-       .correct_data = mxc_nand_correct_data_v2_v3,
        .enable_hwecc = mxc_nand_enable_hwecc_v3,
        .irqpending_quirk = 0,
        .needs_ip = 1,
@@ -1951,9 +1918,6 @@ static int mxcnd_probe(struct platform_device *pdev)
                this->ecc.write_page = mxc_nand_write_page_ecc;
                this->ecc.write_page_raw = mxc_nand_write_page_raw;
                this->ecc.write_oob = mxc_nand_write_oob;
-               this->ecc.calculate = mxc_nand_calculate_ecc;
-               this->ecc.hwctl = mxc_nand_enable_hwecc;
-               this->ecc.correct = host->devtype_data->correct_data;
                break;
 
        case NAND_ECC_SOFT: