Let's make the raw NAND API consistent by patching all helpers and
hooks to take a nand_chip object instead of an mtd_info one or
remove the mtd_info object when both are passed.

Let's tackle the chip->waitfunc() hook.

Signed-off-by: Boris Brezillon <boris.brezil...@bootlin.com>
---
 drivers/mtd/nand/raw/atmel/nand-controller.c  |  2 +-
 drivers/mtd/nand/raw/brcmnand/brcmnand.c      | 12 +++++------
 drivers/mtd/nand/raw/denali.c                 |  4 ++--
 drivers/mtd/nand/raw/diskonchip.c             |  2 +-
 drivers/mtd/nand/raw/docg4.c                  |  4 ++--
 drivers/mtd/nand/raw/fsl_elbc_nand.c          |  4 ++--
 drivers/mtd/nand/raw/fsl_ifc_nand.c           |  3 ++-
 drivers/mtd/nand/raw/lpc32xx_mlc.c            | 17 ++++++++--------
 drivers/mtd/nand/raw/nand_base.c              | 29 ++++++++-------------------
 drivers/mtd/nand/raw/omap2.c                  |  8 +++-----
 drivers/mtd/nand/raw/r852.c                   |  2 +-
 drivers/mtd/nand/raw/tango_nand.c             |  2 +-
 drivers/mtd/nand/raw/tmio_nand.c              |  5 ++---
 drivers/staging/mt29f_spinand/mt29f_spinand.c |  3 ++-
 include/linux/mtd/rawnand.h                   |  2 +-
 15 files changed, 42 insertions(+), 57 deletions(-)

diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c 
b/drivers/mtd/nand/raw/atmel/nand-controller.c
index 4bcdefb73659..f964914cbcf0 100644
--- a/drivers/mtd/nand/raw/atmel/nand-controller.c
+++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
@@ -945,7 +945,7 @@ static int atmel_hsmc_nand_pmecc_write_pg(struct nand_chip 
*chip,
                dev_err(nc->base.dev, "Failed to program NAND page (err = 
%d)\n",
                        ret);
 
-       status = chip->waitfunc(mtd, chip);
+       status = chip->waitfunc(chip);
        if (status & NAND_STATUS_FAIL)
                return -EIO;
 
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c 
b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 4b814a39b24f..fee40a3ce5d2 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1237,9 +1237,8 @@ static void brcmnand_cmd_ctrl(struct nand_chip *chip, int 
dat,
        /* intentionally left blank */
 }
 
-static int brcmnand_waitfunc(struct mtd_info *mtd, struct nand_chip *this)
+static int brcmnand_waitfunc(struct nand_chip *chip)
 {
-       struct nand_chip *chip = mtd_to_nand(mtd);
        struct brcmnand_host *host = nand_get_controller_data(chip);
        struct brcmnand_controller *ctrl = host->ctrl;
        unsigned long timeo = msecs_to_jiffies(100);
@@ -1274,7 +1273,6 @@ static int brcmnand_low_level_op(struct brcmnand_host 
*host,
                                 enum brcmnand_llop_type type, u32 data,
                                 bool last_op)
 {
-       struct mtd_info *mtd = nand_to_mtd(&host->chip);
        struct nand_chip *chip = &host->chip;
        struct brcmnand_controller *ctrl = host->ctrl;
        u32 tmp;
@@ -1307,7 +1305,7 @@ static int brcmnand_low_level_op(struct brcmnand_host 
*host,
        (void)brcmnand_read_reg(ctrl, BRCMNAND_LL_OP);
 
        brcmnand_send_cmd(host, CMD_LOW_LEVEL_OP);
-       return brcmnand_waitfunc(mtd, chip);
+       return brcmnand_waitfunc(chip);
 }
 
 static void brcmnand_cmdfunc(struct nand_chip *chip, unsigned command,
@@ -1383,7 +1381,7 @@ static void brcmnand_cmdfunc(struct nand_chip *chip, 
unsigned command,
        (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS);
 
        brcmnand_send_cmd(host, native_cmd);
-       brcmnand_waitfunc(mtd, chip);
+       brcmnand_waitfunc(chip);
 
        if (native_cmd == CMD_PARAMETER_READ ||
                        native_cmd == CMD_PARAMETER_CHANGE_COL) {
@@ -1615,7 +1613,7 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, 
struct nand_chip *chip,
                (void)brcmnand_read_reg(ctrl, BRCMNAND_CMD_ADDRESS);
                /* SPARE_AREA_READ does not use ECC, so just use PAGE_READ */
                brcmnand_send_cmd(host, CMD_PAGE_READ);
-               brcmnand_waitfunc(mtd, chip);
+               brcmnand_waitfunc(chip);
 
                if (likely(buf)) {
                        brcmnand_soc_data_bus_prepare(ctrl->soc, false);
@@ -1893,7 +1891,7 @@ static int brcmnand_write(struct mtd_info *mtd, struct 
nand_chip *chip,
 
                /* we cannot use SPARE_AREA_PROGRAM when PARTIAL_PAGE_EN=0 */
                brcmnand_send_cmd(host, CMD_PROGRAM_PAGE);
-               status = brcmnand_waitfunc(mtd, chip);
+               status = brcmnand_waitfunc(chip);
 
                if (status & NAND_STATUS_FAIL) {
                        dev_info(ctrl->dev, "program failed at %llx\n",
diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c
index 612b3072b0f1..87ca07c8a1b6 100644
--- a/drivers/mtd/nand/raw/denali.c
+++ b/drivers/mtd/nand/raw/denali.c
@@ -911,9 +911,9 @@ static void denali_select_chip(struct nand_chip *chip, int 
cs)
        denali->active_bank = cs;
 }
 
-static int denali_waitfunc(struct mtd_info *mtd, struct nand_chip *chip)
+static int denali_waitfunc(struct nand_chip *chip)
 {
-       struct denali_nand_info *denali = mtd_to_denali(mtd);
+       struct denali_nand_info *denali = mtd_to_denali(nand_to_mtd(chip));
        uint32_t irq_status;
 
        /* R/B# pin transitioned from low to high? */
diff --git a/drivers/mtd/nand/raw/diskonchip.c 
b/drivers/mtd/nand/raw/diskonchip.c
index 64bf0624343d..0b305c19a9a3 100644
--- a/drivers/mtd/nand/raw/diskonchip.c
+++ b/drivers/mtd/nand/raw/diskonchip.c
@@ -433,7 +433,7 @@ static void __init doc2000_count_chips(struct mtd_info *mtd)
        pr_debug("Detected %d chips per floor.\n", i);
 }
 
-static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this)
+static int doc200x_wait(struct nand_chip *this)
 {
        struct doc_priv *doc = nand_get_controller_data(this);
 
diff --git a/drivers/mtd/nand/raw/docg4.c b/drivers/mtd/nand/raw/docg4.c
index c76d765bb1aa..1a39e9701191 100644
--- a/drivers/mtd/nand/raw/docg4.c
+++ b/drivers/mtd/nand/raw/docg4.c
@@ -315,7 +315,7 @@ static int poll_status(struct docg4_priv *doc)
 }
 
 
-static int docg4_wait(struct mtd_info *mtd, struct nand_chip *nand)
+static int docg4_wait(struct nand_chip *nand)
 {
 
        struct docg4_priv *doc = nand_get_controller_data(nand);
@@ -938,7 +938,7 @@ static int docg4_erase_block(struct mtd_info *mtd, int page)
        poll_status(doc);
        write_nop(docptr);
 
-       status = nand->waitfunc(mtd, nand);
+       status = nand->waitfunc(nand);
        if (status < 0)
                return status;
 
diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c 
b/drivers/mtd/nand/raw/fsl_elbc_nand.c
index 93b82af3e518..98da5f9f04ac 100644
--- a/drivers/mtd/nand/raw/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c
@@ -621,7 +621,7 @@ static void fsl_elbc_read_buf(struct nand_chip *chip, u8 
*buf, int len)
 /* This function is called after Program and Erase Operations to
  * check for success or failure.
  */
-static int fsl_elbc_wait(struct mtd_info *mtd, struct nand_chip *chip)
+static int fsl_elbc_wait(struct nand_chip *chip)
 {
        struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
        struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand;
@@ -720,7 +720,7 @@ static int fsl_elbc_read_page(struct nand_chip *chip, 
uint8_t *buf,
        if (oob_required)
                fsl_elbc_read_buf(chip, chip->oob_poi, mtd->oobsize);
 
-       if (fsl_elbc_wait(mtd, chip) & NAND_STATUS_FAIL)
+       if (fsl_elbc_wait(chip) & NAND_STATUS_FAIL)
                mtd->ecc_stats.failed++;
 
        return elbc_fcm_ctrl->max_bitflips;
diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c 
b/drivers/mtd/nand/raw/fsl_ifc_nand.c
index 26f06d0594e6..bdbc5bdb1289 100644
--- a/drivers/mtd/nand/raw/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c
@@ -613,8 +613,9 @@ static void fsl_ifc_read_buf(struct nand_chip *chip, u8 
*buf, int len)
  * This function is called after Program and Erase Operations to
  * check for success or failure.
  */
-static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip)
+static int fsl_ifc_wait(struct nand_chip *chip)
 {
+       struct mtd_info *mtd = nand_to_mtd(chip);
        struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
        struct fsl_ifc_ctrl *ctrl = priv->ctrl;
        struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs;
diff --git a/drivers/mtd/nand/raw/lpc32xx_mlc.c 
b/drivers/mtd/nand/raw/lpc32xx_mlc.c
index 726cd8868ac3..ae31f6ccbeb3 100644
--- a/drivers/mtd/nand/raw/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_mlc.c
@@ -328,8 +328,9 @@ static irqreturn_t lpc3xxx_nand_irq(int irq, struct 
lpc32xx_nand_host *host)
        return IRQ_HANDLED;
 }
 
-static int lpc32xx_waitfunc_nand(struct mtd_info *mtd, struct nand_chip *chip)
+static int lpc32xx_waitfunc_nand(struct nand_chip *chip)
 {
+       struct mtd_info *mtd = nand_to_mtd(chip);
        struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
 
        if (readb(MLC_ISR(host->io_base)) & MLCISR_NAND_READY)
@@ -347,9 +348,9 @@ static int lpc32xx_waitfunc_nand(struct mtd_info *mtd, 
struct nand_chip *chip)
        return NAND_STATUS_READY;
 }
 
-static int lpc32xx_waitfunc_controller(struct mtd_info *mtd,
-                                      struct nand_chip *chip)
+static int lpc32xx_waitfunc_controller(struct nand_chip *chip)
 {
+       struct mtd_info *mtd = nand_to_mtd(chip);
        struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
 
        if (readb(MLC_ISR(host->io_base)) & MLCISR_CONTROLLER_READY)
@@ -367,10 +368,10 @@ static int lpc32xx_waitfunc_controller(struct mtd_info 
*mtd,
        return NAND_STATUS_READY;
 }
 
-static int lpc32xx_waitfunc(struct mtd_info *mtd, struct nand_chip *chip)
+static int lpc32xx_waitfunc(struct nand_chip *chip)
 {
-       lpc32xx_waitfunc_nand(mtd, chip);
-       lpc32xx_waitfunc_controller(mtd, chip);
+       lpc32xx_waitfunc_nand(chip);
+       lpc32xx_waitfunc_controller(chip);
 
        return NAND_STATUS_READY;
 }
@@ -469,7 +470,7 @@ static int lpc32xx_read_page(struct nand_chip *chip, 
uint8_t *buf,
                writeb(0x00, MLC_ECC_AUTO_DEC_REG(host->io_base));
 
                /* Wait for Controller Ready */
-               lpc32xx_waitfunc_controller(mtd, chip);
+               lpc32xx_waitfunc_controller(chip);
 
                /* Check ECC Error status */
                mlc_isr = readl(MLC_ISR(host->io_base));
@@ -550,7 +551,7 @@ static int lpc32xx_write_page_lowlevel(struct nand_chip 
*chip,
                writeb(0x00, MLC_ECC_AUTO_ENC_REG(host->io_base));
 
                /* Wait for Controller Ready */
-               lpc32xx_waitfunc_controller(mtd, chip);
+               lpc32xx_waitfunc_controller(chip);
        }
 
        return nand_prog_page_end_op(chip);
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index a74264f36a70..9be0f98c1244 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -1062,8 +1062,7 @@ nand_get_device(struct mtd_info *mtd, int new_state)
  * we are in interrupt context. May happen when in panic and trying to write
  * an oops through mtdoops.
  */
-static void panic_nand_wait(struct mtd_info *mtd, struct nand_chip *chip,
-                           unsigned long timeo)
+static void panic_nand_wait(struct nand_chip *chip, unsigned long timeo)
 {
        int i;
        for (i = 0; i < timeo; i++) {
@@ -1093,7 +1092,7 @@ static void panic_nand_wait(struct mtd_info *mtd, struct 
nand_chip *chip,
  *
  * Wait for command done. This applies to erase and program only.
  */
-static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
+static int nand_wait(struct nand_chip *chip)
 {
 
        unsigned long timeo = 400;
@@ -1111,7 +1110,7 @@ static int nand_wait(struct mtd_info *mtd, struct 
nand_chip *chip)
                return ret;
 
        if (in_interrupt() || oops_in_progress)
-               panic_nand_wait(mtd, chip, timeo);
+               panic_nand_wait(chip, timeo);
        else {
                timeo = jiffies + msecs_to_jiffies(timeo);
                do {
@@ -1553,7 +1552,6 @@ EXPORT_SYMBOL_GPL(nand_read_page_op);
 static int nand_read_param_page_op(struct nand_chip *chip, u8 page, void *buf,
                                   unsigned int len)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
        unsigned int i;
        u8 *p = buf;
 
@@ -1811,7 +1809,6 @@ EXPORT_SYMBOL_GPL(nand_prog_page_begin_op);
  */
 int nand_prog_page_end_op(struct nand_chip *chip)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
        int ret;
        u8 status;
 
@@ -1834,7 +1831,7 @@ int nand_prog_page_end_op(struct nand_chip *chip)
                        return ret;
        } else {
                chip->cmdfunc(chip, NAND_CMD_PAGEPROG, -1, -1);
-               ret = chip->waitfunc(mtd, chip);
+               ret = chip->waitfunc(chip);
                if (ret < 0)
                        return ret;
 
@@ -1881,7 +1878,7 @@ int nand_prog_page_op(struct nand_chip *chip, unsigned 
int page,
                chip->cmdfunc(chip, NAND_CMD_SEQIN, offset_in_page, page);
                chip->write_buf(chip, buf, len);
                chip->cmdfunc(chip, NAND_CMD_PAGEPROG, -1, -1);
-               status = chip->waitfunc(mtd, chip);
+               status = chip->waitfunc(chip);
        }
 
        if (status & NAND_STATUS_FAIL)
@@ -1970,7 +1967,6 @@ EXPORT_SYMBOL_GPL(nand_change_write_column_op);
 int nand_readid_op(struct nand_chip *chip, u8 addr, void *buf,
                   unsigned int len)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
        unsigned int i;
        u8 *id = buf;
 
@@ -2016,8 +2012,6 @@ EXPORT_SYMBOL_GPL(nand_readid_op);
  */
 int nand_status_op(struct nand_chip *chip, u8 *status)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
-
        if (chip->exec_op) {
                const struct nand_sdr_timings *sdr =
                        nand_get_sdr_timings(&chip->data_interface);
@@ -2055,8 +2049,6 @@ EXPORT_SYMBOL_GPL(nand_status_op);
  */
 int nand_exit_status_op(struct nand_chip *chip)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
-
        if (chip->exec_op) {
                struct nand_op_instr instrs[] = {
                        NAND_OP_CMD(NAND_CMD_READ0, 0),
@@ -2085,7 +2077,6 @@ EXPORT_SYMBOL_GPL(nand_exit_status_op);
  */
 int nand_erase_op(struct nand_chip *chip, unsigned int eraseblock)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
        unsigned int page = eraseblock <<
                            (chip->phys_erase_shift - chip->page_shift);
        int ret;
@@ -2118,7 +2109,7 @@ int nand_erase_op(struct nand_chip *chip, unsigned int 
eraseblock)
                chip->cmdfunc(chip, NAND_CMD_ERASE1, -1, page);
                chip->cmdfunc(chip, NAND_CMD_ERASE2, -1, -1);
 
-               ret = chip->waitfunc(mtd, chip);
+               ret = chip->waitfunc(chip);
                if (ret < 0)
                        return ret;
 
@@ -2147,7 +2138,6 @@ EXPORT_SYMBOL_GPL(nand_erase_op);
 static int nand_set_features_op(struct nand_chip *chip, u8 feature,
                                const void *data)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
        const u8 *params = data;
        int i, ret;
 
@@ -2170,7 +2160,7 @@ static int nand_set_features_op(struct nand_chip *chip, 
u8 feature,
        for (i = 0; i < ONFI_SUBFEATURE_PARAM_LEN; ++i)
                chip->write_byte(chip, params[i]);
 
-       ret = chip->waitfunc(mtd, chip);
+       ret = chip->waitfunc(chip);
        if (ret < 0)
                return ret;
 
@@ -2195,7 +2185,6 @@ static int nand_set_features_op(struct nand_chip *chip, 
u8 feature,
 static int nand_get_features_op(struct nand_chip *chip, u8 feature,
                                void *data)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
        u8 *params = data;
        int i;
 
@@ -2256,8 +2245,6 @@ static int nand_wait_rdy_op(struct nand_chip *chip, 
unsigned int timeout_ms,
  */
 int nand_reset_op(struct nand_chip *chip)
 {
-       struct mtd_info *mtd = nand_to_mtd(chip);
-
        if (chip->exec_op) {
                const struct nand_sdr_timings *sdr =
                        nand_get_sdr_timings(&chip->data_interface);
@@ -4518,7 +4505,7 @@ static int panic_nand_write(struct mtd_info *mtd, loff_t 
to, size_t len,
        chip->select_chip(chip, chipnr);
 
        /* Wait for the device to get ready */
-       panic_nand_wait(mtd, chip, 400);
+       panic_nand_wait(chip, 400);
 
        memset(&ops, 0, sizeof(ops));
        ops.len = len;
diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
index eef9cbadd3c4..6f0fec3596cc 100644
--- a/drivers/mtd/nand/raw/omap2.c
+++ b/drivers/mtd/nand/raw/omap2.c
@@ -981,8 +981,7 @@ static void omap_enable_hwecc(struct nand_chip *chip, int 
mode)
 
 /**
  * omap_wait - wait until the command is done
- * @mtd: MTD device structure
- * @chip: NAND Chip structure
+ * @this: NAND Chip structure
  *
  * Wait function is called during Program and erase operations and
  * the way it is called from MTD layer, we should wait till the NAND
@@ -991,10 +990,9 @@ static void omap_enable_hwecc(struct nand_chip *chip, int 
mode)
  * Erase can take up to 400ms and program up to 20ms according to
  * general NAND and SmartMedia specs
  */
-static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip)
+static int omap_wait(struct nand_chip *this)
 {
-       struct nand_chip *this = mtd_to_nand(mtd);
-       struct omap_nand_info *info = mtd_to_omap(mtd);
+       struct omap_nand_info *info = mtd_to_omap(nand_to_mtd(this));
        unsigned long timeo = jiffies;
        int status, state = this->state;
 
diff --git a/drivers/mtd/nand/raw/r852.c b/drivers/mtd/nand/raw/r852.c
index 4331ff856fa5..2c30e97ab2a4 100644
--- a/drivers/mtd/nand/raw/r852.c
+++ b/drivers/mtd/nand/raw/r852.c
@@ -362,7 +362,7 @@ static void r852_cmdctl(struct nand_chip *chip, int dat, 
unsigned int ctrl)
  * Wait till card is ready.
  * based on nand_wait, but returns errors on DMA error
  */
-static int r852_wait(struct mtd_info *mtd, struct nand_chip *chip)
+static int r852_wait(struct nand_chip *chip)
 {
        struct r852_device *dev = nand_get_controller_data(chip);
 
diff --git a/drivers/mtd/nand/raw/tango_nand.c 
b/drivers/mtd/nand/raw/tango_nand.c
index cc719bc49b68..c21a0f2d26fc 100644
--- a/drivers/mtd/nand/raw/tango_nand.c
+++ b/drivers/mtd/nand/raw/tango_nand.c
@@ -314,7 +314,7 @@ static int tango_write_page(struct nand_chip *chip, const 
u8 *buf,
        if (err)
                return err;
 
-       status = chip->waitfunc(mtd, chip);
+       status = chip->waitfunc(chip);
        if (status & NAND_STATUS_FAIL)
                return -EIO;
 
diff --git a/drivers/mtd/nand/raw/tmio_nand.c b/drivers/mtd/nand/raw/tmio_nand.c
index 7096fa3d50ab..f44621672779 100644
--- a/drivers/mtd/nand/raw/tmio_nand.c
+++ b/drivers/mtd/nand/raw/tmio_nand.c
@@ -186,10 +186,9 @@ static irqreturn_t tmio_irq(int irq, void *__tmio)
   *erase and write, we enable it to wake us up.  The irq handler
   *disables the interrupt.
  */
-static int
-tmio_nand_wait(struct mtd_info *mtd, struct nand_chip *nand_chip)
+static int tmio_nand_wait(struct nand_chip *nand_chip)
 {
-       struct tmio_nand *tmio = mtd_to_tmio(mtd);
+       struct tmio_nand *tmio = mtd_to_tmio(nand_to_mtd(nand_chip));
        long timeout;
        u8 status;
 
diff --git a/drivers/staging/mt29f_spinand/mt29f_spinand.c 
b/drivers/staging/mt29f_spinand/mt29f_spinand.c
index 724e66c92fd2..f2e14f972319 100644
--- a/drivers/staging/mt29f_spinand/mt29f_spinand.c
+++ b/drivers/staging/mt29f_spinand/mt29f_spinand.c
@@ -695,8 +695,9 @@ static u8 spinand_read_byte(struct nand_chip *chip)
        return data;
 }
 
-static int spinand_wait(struct mtd_info *mtd, struct nand_chip *chip)
+static int spinand_wait(struct nand_chip *chip)
 {
+       struct mtd_info *mtd = nand_to_mtd(chip);
        struct spinand_info *info = nand_get_controller_data(chip);
 
        unsigned long timeo = jiffies;
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 2a74de9012c4..520c0932d15a 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -1294,7 +1294,7 @@ struct nand_chip {
        int (*dev_ready)(struct nand_chip *chip);
        void (*cmdfunc)(struct nand_chip *chip, unsigned command, int column,
                        int page_addr);
-       int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this);
+       int(*waitfunc)(struct nand_chip *chip);
        int (*exec_op)(struct nand_chip *chip,
                       const struct nand_operation *op,
                       bool check_only);
-- 
2.14.1

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