From e0160cd41fb81fde9ee4612a7ea2dfd631de2638 Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Fri, 29 May 2020 13:13:12 +0200 Subject: mtd: rawnand: Hide the chip->data_interface indirection As a preparation for allocating the data interface structure dynamically (and rename it), let's avoid accessing chip->data_interface directly. Instead, we introduce a helper, nand_get_interface_config(), and use it to retrieve the current data interface configuration out of a nand_chip object. Signed-off-by: Miquel Raynal Reviewed-by: Boris Brezillon Link: https://lore.kernel.org/linux-mtd/20200529111322.7184-19-miquel.raynal@bootlin.com --- drivers/mtd/nand/raw/marvell_nand.c | 9 ++++++--- drivers/mtd/nand/raw/meson_nand.c | 8 ++++---- drivers/mtd/nand/raw/nand_base.c | 34 +++++++++++++++++----------------- drivers/mtd/nand/raw/nand_legacy.c | 5 ++++- drivers/mtd/nand/raw/nand_toshiba.c | 2 +- drivers/mtd/nand/raw/stm32_fmc2_nand.c | 2 +- drivers/mtd/nand/raw/tango_nand.c | 2 +- 7 files changed, 34 insertions(+), 28 deletions(-) (limited to 'drivers/mtd/nand/raw') diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index 260a0430313e..df859889e4eb 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -1096,6 +1096,8 @@ static int marvell_nfc_hw_ecc_hmg_do_write_page(struct nand_chip *chip, const u8 *oob_buf, bool raw, int page) { + const struct nand_sdr_timings *sdr = + nand_get_sdr_timings(nand_get_interface_config(chip)); struct marvell_nand_chip *marvell_nand = to_marvell_nand(chip); struct marvell_nfc *nfc = to_marvell_nfc(chip->controller); const struct marvell_hw_ecc_layout *lt = to_marvell_nand(chip)->layout; @@ -1141,7 +1143,7 @@ static int marvell_nfc_hw_ecc_hmg_do_write_page(struct nand_chip *chip, return ret; ret = marvell_nfc_wait_op(chip, - PSEC_TO_MSEC(chip->data_interface.timings.sdr.tPROG_max)); + PSEC_TO_MSEC(sdr->tPROG_max)); return ret; } @@ -1562,6 +1564,8 @@ static int marvell_nfc_hw_ecc_bch_write_page(struct nand_chip *chip, const u8 *buf, int oob_required, int page) { + const struct nand_sdr_timings *sdr = + nand_get_sdr_timings(nand_get_interface_config(chip)); struct mtd_info *mtd = nand_to_mtd(chip); const struct marvell_hw_ecc_layout *lt = to_marvell_nand(chip)->layout; const u8 *data = buf; @@ -1598,8 +1602,7 @@ static int marvell_nfc_hw_ecc_bch_write_page(struct nand_chip *chip, marvell_nfc_wait_ndrun(chip); } - ret = marvell_nfc_wait_op(chip, - PSEC_TO_MSEC(chip->data_interface.timings.sdr.tPROG_max)); + ret = marvell_nfc_wait_op(chip, PSEC_TO_MSEC(sdr->tPROG_max)); marvell_nfc_disable_hw_ecc(chip); diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 3f376471f3f7..580b7be0719f 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -573,10 +573,10 @@ static int meson_nfc_write_buf(struct nand_chip *nand, u8 *buf, int len) static int meson_nfc_rw_cmd_prepare_and_execute(struct nand_chip *nand, int page, bool in) { + const struct nand_sdr_timings *sdr = + nand_get_sdr_timings(nand_get_interface_config(nand)); struct mtd_info *mtd = nand_to_mtd(nand); struct meson_nfc *nfc = nand_get_controller_data(nand); - const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&nand->data_interface); u32 *addrs = nfc->cmdfifo.rw.addrs; u32 cs = nfc->param.chip_select; u32 cmd0, cmd_num, row_start; @@ -626,9 +626,9 @@ static int meson_nfc_rw_cmd_prepare_and_execute(struct nand_chip *nand, static int meson_nfc_write_page_sub(struct nand_chip *nand, int page, int raw) { - struct mtd_info *mtd = nand_to_mtd(nand); const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&nand->data_interface); + nand_get_sdr_timings(nand_get_interface_config(nand)); + struct mtd_info *mtd = nand_to_mtd(nand); struct meson_nfc_nand_chip *meson_chip = to_meson_nand(nand); struct meson_nfc *nfc = nand_get_controller_data(nand); int data_len, info_len; diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index b4de85794e07..7d393e1d0252 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -773,7 +773,7 @@ int nand_soft_waitrdy(struct nand_chip *chip, unsigned long timeout_ms) return -ENOTSUPP; /* Wait tWB before polling the STATUS reg. */ - timings = nand_get_sdr_timings(&chip->data_interface); + timings = nand_get_sdr_timings(nand_get_interface_config(chip)); ndelay(PSEC_TO_NSEC(timings->tWB_max)); ret = nand_status_op(chip, NULL); @@ -1119,9 +1119,9 @@ static int nand_sp_exec_read_page_op(struct nand_chip *chip, unsigned int page, unsigned int offset_in_page, void *buf, unsigned int len) { - struct mtd_info *mtd = nand_to_mtd(chip); const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); + struct mtd_info *mtd = nand_to_mtd(chip); u8 addrs[4]; struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_READ0, 0), @@ -1163,7 +1163,7 @@ static int nand_lp_exec_read_page_op(struct nand_chip *chip, unsigned int page, unsigned int len) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); u8 addrs[5]; struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_READ0, 0), @@ -1260,7 +1260,7 @@ int nand_read_param_page_op(struct nand_chip *chip, u8 page, void *buf, if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_PARAM, 0), NAND_OP_ADDR(1, &page, PSEC_TO_NSEC(sdr->tWB_max)), @@ -1315,7 +1315,7 @@ int nand_change_read_column_op(struct nand_chip *chip, if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); u8 addrs[2] = {}; struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_RNDOUT, 0), @@ -1389,9 +1389,9 @@ static int nand_exec_prog_page_op(struct nand_chip *chip, unsigned int page, unsigned int offset_in_page, const void *buf, unsigned int len, bool prog) { - struct mtd_info *mtd = nand_to_mtd(chip); const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); + struct mtd_info *mtd = nand_to_mtd(chip); u8 addrs[5] = {}; struct nand_op_instr instrs[] = { /* @@ -1514,7 +1514,7 @@ int nand_prog_page_end_op(struct nand_chip *chip) if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_PAGEPROG, PSEC_TO_NSEC(sdr->tWB_max)), @@ -1621,7 +1621,7 @@ int nand_change_write_column_op(struct nand_chip *chip, if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); u8 addrs[2]; struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_RNDIN, 0), @@ -1676,7 +1676,7 @@ int nand_readid_op(struct nand_chip *chip, u8 addr, void *buf, if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_READID, 0), NAND_OP_ADDR(1, &addr, PSEC_TO_NSEC(sdr->tADL_min)), @@ -1715,7 +1715,7 @@ int nand_status_op(struct nand_chip *chip, u8 *status) { if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_STATUS, PSEC_TO_NSEC(sdr->tADL_min)), @@ -1784,7 +1784,7 @@ int nand_erase_op(struct nand_chip *chip, unsigned int eraseblock) if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); u8 addrs[3] = { page, page >> 8, page >> 16 }; struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_ERASE1, 0), @@ -1843,7 +1843,7 @@ static int nand_set_features_op(struct nand_chip *chip, u8 feature, if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_SET_FEATURES, 0), NAND_OP_ADDR(1, &feature, PSEC_TO_NSEC(sdr->tADL_min)), @@ -1890,7 +1890,7 @@ static int nand_get_features_op(struct nand_chip *chip, u8 feature, if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_GET_FEATURES, 0), NAND_OP_ADDR(1, &feature, PSEC_TO_NSEC(sdr->tWB_max)), @@ -1947,7 +1947,7 @@ int nand_reset_op(struct nand_chip *chip) { if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(NAND_CMD_RESET, PSEC_TO_NSEC(sdr->tWB_max)), NAND_OP_WAIT_RDY(PSEC_TO_MSEC(sdr->tRST_max), 0), @@ -3226,7 +3226,7 @@ static void nand_wait_readrdy(struct nand_chip *chip) if (!(chip->options & NAND_NEED_READRDY)) return; - sdr = nand_get_sdr_timings(&chip->data_interface); + sdr = nand_get_sdr_timings(nand_get_interface_config(chip)); WARN_ON(nand_wait_rdy_op(chip, PSEC_TO_MSEC(sdr->tR_max), 0)); } diff --git a/drivers/mtd/nand/raw/nand_legacy.c b/drivers/mtd/nand/raw/nand_legacy.c index 848403dcae03..fe769762e1d8 100644 --- a/drivers/mtd/nand/raw/nand_legacy.c +++ b/drivers/mtd/nand/raw/nand_legacy.c @@ -354,6 +354,9 @@ static void nand_command(struct nand_chip *chip, unsigned int command, static void nand_ccs_delay(struct nand_chip *chip) { + const struct nand_sdr_timings *sdr = + nand_get_sdr_timings(nand_get_interface_config(chip)); + /* * The controller already takes care of waiting for tCCS when the RNDIN * or RNDOUT command is sent, return directly. @@ -366,7 +369,7 @@ static void nand_ccs_delay(struct nand_chip *chip) * (which should be safe for all NANDs). */ if (nand_controller_can_setup_data_iface(chip)) - ndelay(chip->data_interface.timings.sdr.tCCS_min / 1000); + ndelay(sdr->tCCS_min / 1000); else ndelay(500); } diff --git a/drivers/mtd/nand/raw/nand_toshiba.c b/drivers/mtd/nand/raw/nand_toshiba.c index ae069905d7e4..333037bdca41 100644 --- a/drivers/mtd/nand/raw/nand_toshiba.c +++ b/drivers/mtd/nand/raw/nand_toshiba.c @@ -33,7 +33,7 @@ static int toshiba_nand_benand_read_eccstatus_op(struct nand_chip *chip, if (nand_has_exec_op(chip)) { const struct nand_sdr_timings *sdr = - nand_get_sdr_timings(&chip->data_interface); + nand_get_sdr_timings(nand_get_interface_config(chip)); struct nand_op_instr instrs[] = { NAND_OP_CMD(TOSHIBA_NAND_CMD_ECC_STATUS_READ, PSEC_TO_NSEC(sdr->tADL_min)), diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c index 65c9d17b25a3..7320c0fc19ec 100644 --- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c +++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c @@ -1308,7 +1308,7 @@ static int stm32_fmc2_nfc_waitrdy(struct nand_chip *chip, dev_warn(nfc->dev, "Waitrdy timeout\n"); /* Wait tWB before R/B# signal is low */ - timings = nand_get_sdr_timings(&chip->data_interface); + timings = nand_get_sdr_timings(nand_get_interface_config(chip)); ndelay(PSEC_TO_NSEC(timings->tWB_max)); /* R/B# signal is low, clear high level flag */ diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c index b3a0d08f1733..648dc7e77f6a 100644 --- a/drivers/mtd/nand/raw/tango_nand.c +++ b/drivers/mtd/nand/raw/tango_nand.c @@ -336,7 +336,7 @@ static int tango_write_page(struct nand_chip *chip, const u8 *buf, if (err) return err; - timings = nand_get_sdr_timings(&chip->data_interface); + timings = nand_get_sdr_timings(nand_get_interface_config(chip)); err = tango_waitrdy(chip, PSEC_TO_MSEC(timings->tR_max)); if (err) return err; -- cgit v1.2.3