From: Paul Cercueil Date: Tue, 19 Mar 2019 14:53:56 +0000 (+0100) Subject: mtd: rawnand: ingenic: Rename jz4780_nand driver to ingenic_nand X-Git-Tag: v5.15~6384^2~30^2~67 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a919619e9a2530c5eaa011edc2a154d770daa2ad;p=platform%2Fkernel%2Flinux-starfive.git mtd: rawnand: ingenic: Rename jz4780_nand driver to ingenic_nand The jz4780_nand driver will be modified to handle all the Ingenic JZ47xx SoCs that the upstream Linux kernel supports (JZ4740, JZ4725B, JZ4770, JZ4780), so it makes sense to rename it. Signed-off-by: Paul Cercueil Signed-off-by: Miquel Raynal --- diff --git a/drivers/mtd/nand/raw/ingenic/Makefile b/drivers/mtd/nand/raw/ingenic/Makefile index 44c2ca0..af2d5de 100644 --- a/drivers/mtd/nand/raw/ingenic/Makefile +++ b/drivers/mtd/nand/raw/ingenic/Makefile @@ -1,2 +1,2 @@ obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o -obj-$(CONFIG_MTD_NAND_JZ4780) += jz4780_nand.o jz4780_bch.o +obj-$(CONFIG_MTD_NAND_JZ4780) += ingenic_nand.o jz4780_bch.o diff --git a/drivers/mtd/nand/raw/ingenic/jz4780_nand.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand.c similarity index 63% rename from drivers/mtd/nand/raw/ingenic/jz4780_nand.c rename to drivers/mtd/nand/raw/ingenic/ingenic_nand.c index 7f55358..8c73f7c 100644 --- a/drivers/mtd/nand/raw/ingenic/jz4780_nand.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * JZ4780 NAND driver + * Ingenic JZ47xx NAND driver * * Copyright (c) 2015 Imagination Technologies * Author: Alex Smith @@ -24,7 +24,7 @@ #include "jz4780_bch.h" -#define DRV_NAME "jz4780-nand" +#define DRV_NAME "ingenic-nand" #define OFFSET_DATA 0x00000000 #define OFFSET_CMD 0x00400000 @@ -33,22 +33,22 @@ /* Command delay when there is no R/B pin. */ #define RB_DELAY_US 100 -struct jz4780_nand_cs { +struct ingenic_nand_cs { unsigned int bank; void __iomem *base; }; -struct jz4780_nand_controller { +struct ingenic_nfc { struct device *dev; struct jz4780_bch *bch; struct nand_controller controller; unsigned int num_banks; struct list_head chips; int selected; - struct jz4780_nand_cs cs[]; + struct ingenic_nand_cs cs[]; }; -struct jz4780_nand_chip { +struct ingenic_nand { struct nand_chip chip; struct list_head chip_list; @@ -57,22 +57,21 @@ struct jz4780_nand_chip { unsigned int reading: 1; }; -static inline struct jz4780_nand_chip *to_jz4780_nand_chip(struct mtd_info *mtd) +static inline struct ingenic_nand *to_ingenic_nand(struct mtd_info *mtd) { - return container_of(mtd_to_nand(mtd), struct jz4780_nand_chip, chip); + return container_of(mtd_to_nand(mtd), struct ingenic_nand, chip); } -static inline struct jz4780_nand_controller -*to_jz4780_nand_controller(struct nand_controller *ctrl) +static inline struct ingenic_nfc *to_ingenic_nfc(struct nand_controller *ctrl) { - return container_of(ctrl, struct jz4780_nand_controller, controller); + return container_of(ctrl, struct ingenic_nfc, controller); } -static void jz4780_nand_select_chip(struct nand_chip *chip, int chipnr) +static void ingenic_nand_select_chip(struct nand_chip *chip, int chipnr) { - struct jz4780_nand_chip *nand = to_jz4780_nand_chip(nand_to_mtd(chip)); - struct jz4780_nand_controller *nfc = to_jz4780_nand_controller(nand->chip.controller); - struct jz4780_nand_cs *cs; + struct ingenic_nand *nand = to_ingenic_nand(nand_to_mtd(chip)); + struct ingenic_nfc *nfc = to_ingenic_nfc(nand->chip.controller); + struct ingenic_nand_cs *cs; /* Ensure the currently selected chip is deasserted. */ if (chipnr == -1 && nfc->selected >= 0) { @@ -83,12 +82,12 @@ static void jz4780_nand_select_chip(struct nand_chip *chip, int chipnr) nfc->selected = chipnr; } -static void jz4780_nand_cmd_ctrl(struct nand_chip *chip, int cmd, - unsigned int ctrl) +static void ingenic_nand_cmd_ctrl(struct nand_chip *chip, int cmd, + unsigned int ctrl) { - struct jz4780_nand_chip *nand = to_jz4780_nand_chip(nand_to_mtd(chip)); - struct jz4780_nand_controller *nfc = to_jz4780_nand_controller(nand->chip.controller); - struct jz4780_nand_cs *cs; + struct ingenic_nand *nand = to_ingenic_nand(nand_to_mtd(chip)); + struct ingenic_nfc *nfc = to_ingenic_nfc(nand->chip.controller); + struct ingenic_nand_cs *cs; if (WARN_ON(nfc->selected < 0)) return; @@ -106,25 +105,25 @@ static void jz4780_nand_cmd_ctrl(struct nand_chip *chip, int cmd, writeb(cmd, cs->base + OFFSET_CMD); } -static int jz4780_nand_dev_ready(struct nand_chip *chip) +static int ingenic_nand_dev_ready(struct nand_chip *chip) { - struct jz4780_nand_chip *nand = to_jz4780_nand_chip(nand_to_mtd(chip)); + struct ingenic_nand *nand = to_ingenic_nand(nand_to_mtd(chip)); return !gpiod_get_value_cansleep(nand->busy_gpio); } -static void jz4780_nand_ecc_hwctl(struct nand_chip *chip, int mode) +static void ingenic_nand_ecc_hwctl(struct nand_chip *chip, int mode) { - struct jz4780_nand_chip *nand = to_jz4780_nand_chip(nand_to_mtd(chip)); + struct ingenic_nand *nand = to_ingenic_nand(nand_to_mtd(chip)); nand->reading = (mode == NAND_ECC_READ); } -static int jz4780_nand_ecc_calculate(struct nand_chip *chip, const u8 *dat, - u8 *ecc_code) +static int ingenic_nand_ecc_calculate(struct nand_chip *chip, const u8 *dat, + u8 *ecc_code) { - struct jz4780_nand_chip *nand = to_jz4780_nand_chip(nand_to_mtd(chip)); - struct jz4780_nand_controller *nfc = to_jz4780_nand_controller(nand->chip.controller); + struct ingenic_nand *nand = to_ingenic_nand(nand_to_mtd(chip)); + struct ingenic_nfc *nfc = to_ingenic_nfc(nand->chip.controller); struct jz4780_bch_params params; /* @@ -141,11 +140,11 @@ static int jz4780_nand_ecc_calculate(struct nand_chip *chip, const u8 *dat, return jz4780_bch_calculate(nfc->bch, ¶ms, dat, ecc_code); } -static int jz4780_nand_ecc_correct(struct nand_chip *chip, u8 *dat, - u8 *read_ecc, u8 *calc_ecc) +static int ingenic_nand_ecc_correct(struct nand_chip *chip, u8 *dat, + u8 *read_ecc, u8 *calc_ecc) { - struct jz4780_nand_chip *nand = to_jz4780_nand_chip(nand_to_mtd(chip)); - struct jz4780_nand_controller *nfc = to_jz4780_nand_controller(nand->chip.controller); + struct ingenic_nand *nand = to_ingenic_nand(nand_to_mtd(chip)); + struct ingenic_nfc *nfc = to_ingenic_nfc(nand->chip.controller); struct jz4780_bch_params params; params.size = nand->chip.ecc.size; @@ -155,10 +154,10 @@ static int jz4780_nand_ecc_correct(struct nand_chip *chip, u8 *dat, return jz4780_bch_correct(nfc->bch, ¶ms, dat, read_ecc); } -static int jz4780_nand_attach_chip(struct nand_chip *chip) +static int ingenic_nand_attach_chip(struct nand_chip *chip) { struct mtd_info *mtd = nand_to_mtd(chip); - struct jz4780_nand_controller *nfc = to_jz4780_nand_controller(chip->controller); + struct ingenic_nfc *nfc = to_ingenic_nfc(chip->controller); int eccbytes; chip->ecc.bytes = fls((1 + 8) * chip->ecc.size) * @@ -167,14 +166,13 @@ static int jz4780_nand_attach_chip(struct nand_chip *chip) switch (chip->ecc.mode) { case NAND_ECC_HW: if (!nfc->bch) { - dev_err(nfc->dev, - "HW BCH selected, but BCH controller not found\n"); + dev_err(nfc->dev, "HW BCH selected, but BCH controller not found\n"); return -ENODEV; } - chip->ecc.hwctl = jz4780_nand_ecc_hwctl; - chip->ecc.calculate = jz4780_nand_ecc_calculate; - chip->ecc.correct = jz4780_nand_ecc_correct; + chip->ecc.hwctl = ingenic_nand_ecc_hwctl; + chip->ecc.calculate = ingenic_nand_ecc_calculate; + chip->ecc.correct = ingenic_nand_ecc_correct; /* fall through */ case NAND_ECC_SOFT: dev_info(nfc->dev, "using %s (strength %d, size %d, bytes %d)\n", @@ -209,18 +207,18 @@ static int jz4780_nand_attach_chip(struct nand_chip *chip) return 0; } -static const struct nand_controller_ops jz4780_nand_controller_ops = { - .attach_chip = jz4780_nand_attach_chip, +static const struct nand_controller_ops ingenic_nand_controller_ops = { + .attach_chip = ingenic_nand_attach_chip, }; -static int jz4780_nand_init_chip(struct platform_device *pdev, - struct jz4780_nand_controller *nfc, - struct device_node *np, - unsigned int chipnr) +static int ingenic_nand_init_chip(struct platform_device *pdev, + struct ingenic_nfc *nfc, + struct device_node *np, + unsigned int chipnr) { struct device *dev = &pdev->dev; - struct jz4780_nand_chip *nand; - struct jz4780_nand_cs *cs; + struct ingenic_nand *nand; + struct ingenic_nand_cs *cs; struct resource *res; struct nand_chip *chip; struct mtd_info *mtd; @@ -253,7 +251,7 @@ static int jz4780_nand_init_chip(struct platform_device *pdev, dev_err(dev, "failed to request busy GPIO: %d\n", ret); return ret; } else if (nand->busy_gpio) { - nand->chip.legacy.dev_ready = jz4780_nand_dev_ready; + nand->chip.legacy.dev_ready = ingenic_nand_dev_ready; } nand->wp_gpio = devm_gpiod_get_optional(dev, "wp", GPIOD_OUT_LOW); @@ -276,13 +274,13 @@ static int jz4780_nand_init_chip(struct platform_device *pdev, chip->legacy.IO_ADDR_W = cs->base + OFFSET_DATA; chip->legacy.chip_delay = RB_DELAY_US; chip->options = NAND_NO_SUBPAGE_WRITE; - chip->legacy.select_chip = jz4780_nand_select_chip; - chip->legacy.cmd_ctrl = jz4780_nand_cmd_ctrl; + chip->legacy.select_chip = ingenic_nand_select_chip; + chip->legacy.cmd_ctrl = ingenic_nand_cmd_ctrl; chip->ecc.mode = NAND_ECC_HW; chip->controller = &nfc->controller; nand_set_flash_node(chip, np); - chip->controller->ops = &jz4780_nand_controller_ops; + chip->controller->ops = &ingenic_nand_controller_ops; ret = nand_scan(chip, 1); if (ret) return ret; @@ -298,19 +296,20 @@ static int jz4780_nand_init_chip(struct platform_device *pdev, return 0; } -static void jz4780_nand_cleanup_chips(struct jz4780_nand_controller *nfc) +static void ingenic_nand_cleanup_chips(struct ingenic_nfc *nfc) { - struct jz4780_nand_chip *chip; + struct ingenic_nand *chip; while (!list_empty(&nfc->chips)) { - chip = list_first_entry(&nfc->chips, struct jz4780_nand_chip, chip_list); + chip = list_first_entry(&nfc->chips, + struct ingenic_nand, chip_list); nand_release(&chip->chip); list_del(&chip->chip_list); } } -static int jz4780_nand_init_chips(struct jz4780_nand_controller *nfc, - struct platform_device *pdev) +static int ingenic_nand_init_chips(struct ingenic_nfc *nfc, + struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np; @@ -319,14 +318,15 @@ static int jz4780_nand_init_chips(struct jz4780_nand_controller *nfc, int num_chips = of_get_child_count(dev->of_node); if (num_chips > nfc->num_banks) { - dev_err(dev, "found %d chips but only %d banks\n", num_chips, nfc->num_banks); + dev_err(dev, "found %d chips but only %d banks\n", + num_chips, nfc->num_banks); return -EINVAL; } for_each_child_of_node(dev->of_node, np) { - ret = jz4780_nand_init_chip(pdev, nfc, np, i); + ret = ingenic_nand_init_chip(pdev, nfc, np, i); if (ret) { - jz4780_nand_cleanup_chips(nfc); + ingenic_nand_cleanup_chips(nfc); return ret; } @@ -336,11 +336,11 @@ static int jz4780_nand_init_chips(struct jz4780_nand_controller *nfc, return 0; } -static int jz4780_nand_probe(struct platform_device *pdev) +static int ingenic_nand_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; unsigned int num_banks; - struct jz4780_nand_controller *nfc; + struct ingenic_nfc *nfc; int ret; num_banks = jz4780_nemc_num_banks(dev); @@ -367,7 +367,7 @@ static int jz4780_nand_probe(struct platform_device *pdev) nand_controller_init(&nfc->controller); INIT_LIST_HEAD(&nfc->chips); - ret = jz4780_nand_init_chips(nfc, pdev); + ret = ingenic_nand_init_chips(nfc, pdev); if (ret) { if (nfc->bch) jz4780_bch_release(nfc->bch); @@ -378,35 +378,35 @@ static int jz4780_nand_probe(struct platform_device *pdev) return 0; } -static int jz4780_nand_remove(struct platform_device *pdev) +static int ingenic_nand_remove(struct platform_device *pdev) { - struct jz4780_nand_controller *nfc = platform_get_drvdata(pdev); + struct ingenic_nfc *nfc = platform_get_drvdata(pdev); if (nfc->bch) jz4780_bch_release(nfc->bch); - jz4780_nand_cleanup_chips(nfc); + ingenic_nand_cleanup_chips(nfc); return 0; } -static const struct of_device_id jz4780_nand_dt_match[] = { +static const struct of_device_id ingenic_nand_dt_match[] = { { .compatible = "ingenic,jz4780-nand" }, {}, }; -MODULE_DEVICE_TABLE(of, jz4780_nand_dt_match); +MODULE_DEVICE_TABLE(of, ingenic_nand_dt_match); -static struct platform_driver jz4780_nand_driver = { - .probe = jz4780_nand_probe, - .remove = jz4780_nand_remove, +static struct platform_driver ingenic_nand_driver = { + .probe = ingenic_nand_probe, + .remove = ingenic_nand_remove, .driver = { .name = DRV_NAME, - .of_match_table = of_match_ptr(jz4780_nand_dt_match), + .of_match_table = of_match_ptr(ingenic_nand_dt_match), }, }; -module_platform_driver(jz4780_nand_driver); +module_platform_driver(ingenic_nand_driver); MODULE_AUTHOR("Alex Smith "); MODULE_AUTHOR("Harvey Hunt "); -MODULE_DESCRIPTION("Ingenic JZ4780 NAND driver"); +MODULE_DESCRIPTION("Ingenic JZ47xx NAND driver"); MODULE_LICENSE("GPL v2");