[PATCH 06/10] mtd: Remove drivers used by TX49xx

Thomas Bogendoerfer
2021-01-05T14:05:32Z

CPU support for TX49xx is getting removed, so remove MTD support for it.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
drivers/mtd/maps/Kconfig | 6 -
drivers/mtd/maps/Makefile | 1 -
drivers/mtd/maps/rbtx4939-flash.c | 133 -------
drivers/mtd/nand/raw/Kconfig | 7 -
drivers/mtd/nand/raw/Makefile | 1 -
drivers/mtd/nand/raw/txx9ndfmc.c | 423 -----------------------
include/linux/platform_data/txx9/ndfmc.h | 28 --
7 files changed, 599 deletions(-)
delete mode 100644 drivers/mtd/maps/rbtx4939-flash.c
delete mode 100644 drivers/mtd/nand/raw/txx9ndfmc.c
delete mode 100644 include/linux/platform_data/txx9/ndfmc.h

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 6650acbc961e..17579ce04922 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -380,12 +380,6 @@ config MTD_INTEL_VR_NOR
Map driver for a NOR flash bank located on the Expansion Bus of the
Intel Vermilion Range chipset.

-config MTD_RBTX4939
- tristate "Map driver for RBTX4939 board"
- depends on TOSHIBA_RBTX4939 && MTD_CFI && MTD_COMPLEX_MAPPINGS
- help
- Map driver for NOR flash chips on RBTX4939 board.
-
config MTD_PLATRAM
tristate "Map driver for platform device RAM (mtd-ram)"
select MTD_RAM
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 79f018cf412f..408a2217b0f2 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -43,6 +43,5 @@ obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o
obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o
obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o
obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o
-obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o
obj-$(CONFIG_MTD_VMU) += vmu-flash.o
obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o
diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c
deleted file mode 100644
index 39c86c0b0ec1..000000000000
--- a/drivers/mtd/maps/rbtx4939-flash.c
+++ /dev/null
@@ -1,133 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * rbtx4939-flash (based on physmap.c)
- *
- * This is a simplified physmap driver with map_init callback function.
- *
- * Copyright (C) 2009 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <asm/txx9/rbtx4939.h>
-
-struct rbtx4939_flash_info {
- struct mtd_info *mtd;
- struct map_info map;
-};
-
-static int rbtx4939_flash_remove(struct platform_device *dev)
-{
- struct rbtx4939_flash_info *info;
-
- info = platform_get_drvdata(dev);
- if (!info)
- return 0;
-
- if (info->mtd) {
- mtd_device_unregister(info->mtd);
- map_destroy(info->mtd);
- }
- return 0;
-}
-
-static const char * const rom_probe_types[] = {
- "cfi_probe", "jedec_probe", NULL };
-
-static int rbtx4939_flash_probe(struct platform_device *dev)
-{
- struct rbtx4939_flash_data *pdata;
- struct rbtx4939_flash_info *info;
- struct resource *res;
- const char * const *probe_type;
- int err = 0;
- unsigned long size;
-
- pdata = dev_get_platdata(&dev->dev);
- if (!pdata)
- return -ENODEV;
-
- res = platform_get_resource(dev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENODEV;
- info = devm_kzalloc(&dev->dev, sizeof(struct rbtx4939_flash_info),
- GFP_KERNEL);
- if (!info)
- return -ENOMEM;
-
- platform_set_drvdata(dev, info);
-
- size = resource_size(res);
- pr_notice("rbtx4939 platform flash device: %pR\n", res);
-
- if (!devm_request_mem_region(&dev->dev, res->start, size,
- dev_name(&dev->dev)))
- return -EBUSY;
-
- info->map.name = dev_name(&dev->dev);
- info->map.phys = res->start;
- info->map.size = size;
- info->map.bankwidth = pdata->width;
-
- info->map.virt = devm_ioremap(&dev->dev, info->map.phys, size);
- if (!info->map.virt)
- return -EBUSY;
-
- if (pdata->map_init)
- (*pdata->map_init)(&info->map);
- else
- simple_map_init(&info->map);
-
- probe_type = rom_probe_types;
- for (; !info->mtd && *probe_type; probe_type++)
- info->mtd = do_map_probe(*probe_type, &info->map);
- if (!info->mtd) {
- dev_err(&dev->dev, "map_probe failed\n");
- err = -ENXIO;
- goto err_out;
- }
- info->mtd->dev.parent = &dev->dev;
- err = mtd_device_register(info->mtd, pdata->parts, pdata->nr_parts);
-
- if (err)
- goto err_out;
- return 0;
-
-err_out:
- rbtx4939_flash_remove(dev);
- return err;
-}
-
-#ifdef CONFIG_PM
-static void rbtx4939_flash_shutdown(struct platform_device *dev)
-{
- struct rbtx4939_flash_info *info = platform_get_drvdata(dev);
-
- if (mtd_suspend(info->mtd) == 0)
- mtd_resume(info->mtd);
-}
-#else
-#define rbtx4939_flash_shutdown NULL
-#endif
-
-static struct platform_driver rbtx4939_flash_driver = {
- .probe = rbtx4939_flash_probe,
- .remove = rbtx4939_flash_remove,
- .shutdown = rbtx4939_flash_shutdown,
- .driver = {
- .name = "rbtx4939-flash",
- },
-};
-
-module_platform_driver(rbtx4939_flash_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("RBTX4939 MTD map driver");
-MODULE_ALIAS("platform:rbtx4939-flash");
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index 442a039b92f3..9e74a63b18a4 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -313,13 +313,6 @@ config MTD_NAND_DAVINCI
Enable the driver for NAND flash chips on Texas Instruments
DaVinci/Keystone processors.

-config MTD_NAND_TXX9NDFMC
- tristate "TXx9 NAND controller"
- depends on SOC_TX4938 || SOC_TX4939 || COMPILE_TEST
- depends on HAS_IOMEM
- help
- This enables the NAND flash controller on the TXx9 SoCs.
-
config MTD_NAND_SOCRATES
tristate "Socrates NAND controller"
depends on SOCRATES
diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile
index 32475a28d8f8..07cb86321403 100644
--- a/drivers/mtd/nand/raw/Makefile
+++ b/drivers/mtd/nand/raw/Makefile
@@ -37,7 +37,6 @@ obj-$(CONFIG_MTD_NAND_MLC_LPC32XX) += lpc32xx_mlc.o
obj-$(CONFIG_MTD_NAND_SH_FLCTL) += sh_flctl.o
obj-$(CONFIG_MTD_NAND_MXC) += mxc_nand.o
obj-$(CONFIG_MTD_NAND_SOCRATES) += socrates_nand.o
-obj-$(CONFIG_MTD_NAND_TXX9NDFMC) += txx9ndfmc.o
obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mpc5121_nfc.o
obj-$(CONFIG_MTD_NAND_VF610_NFC) += vf610_nfc.o
obj-$(CONFIG_MTD_NAND_RICOH) += r852.o
diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c
deleted file mode 100644
index 1a9449e53bf9..000000000000
--- a/drivers/mtd/nand/raw/txx9ndfmc.c
+++ /dev/null
@@ -1,423 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * TXx9 NAND flash memory controller driver
- * Based on RBTX49xx patch from CELF patch archive.
- *
- * (C) Copyright TOSHIBA CORPORATION 2004-2007
- * All Rights Reserved.
- */
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
-#include <linux/io.h>
-#include <linux/platform_data/txx9/ndfmc.h>
-
-/* TXX9 NDFMC Registers */
-#define TXX9_NDFDTR 0x00
-#define TXX9_NDFMCR 0x04
-#define TXX9_NDFSR 0x08
-#define TXX9_NDFISR 0x0c
-#define TXX9_NDFIMR 0x10
-#define TXX9_NDFSPR 0x14
-#define TXX9_NDFRSTR 0x18 /* not TX4939 */
-
-/* NDFMCR : NDFMC Mode Control */
-#define TXX9_NDFMCR_WE 0x80
-#define TXX9_NDFMCR_ECC_ALL 0x60
-#define TXX9_NDFMCR_ECC_RESET 0x60
-#define TXX9_NDFMCR_ECC_READ 0x40
-#define TXX9_NDFMCR_ECC_ON 0x20
-#define TXX9_NDFMCR_ECC_OFF 0x00
-#define TXX9_NDFMCR_CE 0x10
-#define TXX9_NDFMCR_BSPRT 0x04 /* TX4925/TX4926 only */
-#define TXX9_NDFMCR_ALE 0x02
-#define TXX9_NDFMCR_CLE 0x01
-/* TX4939 only */
-#define TXX9_NDFMCR_X16 0x0400
-#define TXX9_NDFMCR_DMAREQ_MASK 0x0300
-#define TXX9_NDFMCR_DMAREQ_NODMA 0x0000
-#define TXX9_NDFMCR_DMAREQ_128 0x0100
-#define TXX9_NDFMCR_DMAREQ_256 0x0200
-#define TXX9_NDFMCR_DMAREQ_512 0x0300
-#define TXX9_NDFMCR_CS_MASK 0x0c
-#define TXX9_NDFMCR_CS(ch) ((ch) << 2)
-
-/* NDFMCR : NDFMC Status */
-#define TXX9_NDFSR_BUSY 0x80
-/* TX4939 only */
-#define TXX9_NDFSR_DMARUN 0x40
-
-/* NDFMCR : NDFMC Reset */
-#define TXX9_NDFRSTR_RST 0x01
-
-struct txx9ndfmc_priv {
- struct platform_device *dev;
- struct nand_chip chip;
- int cs;
- const char *mtdname;
-};
-
-#define MAX_TXX9NDFMC_DEV 4
-struct txx9ndfmc_drvdata {
- struct mtd_info *mtds[MAX_TXX9NDFMC_DEV];
- void __iomem *base;
- unsigned char hold; /* in gbusclock */
- unsigned char spw; /* in gbusclock */
- struct nand_controller controller;
-};
-
-static struct platform_device *mtd_to_platdev(struct mtd_info *mtd)
-{
- struct nand_chip *chip = mtd_to_nand(mtd);
- struct txx9ndfmc_priv *txx9_priv = nand_get_controller_data(chip);
- return txx9_priv->dev;
-}
-
-static void __iomem *ndregaddr(struct platform_device *dev, unsigned int reg)
-{
- struct txx9ndfmc_drvdata *drvdata = platform_get_drvdata(dev);
- struct txx9ndfmc_platform_data *plat = dev_get_platdata(&dev->dev);
-
- return drvdata->base + (reg << plat->shift);
-}
-
-static u32 txx9ndfmc_read(struct platform_device *dev, unsigned int reg)
-{
- return __raw_readl(ndregaddr(dev, reg));
-}
-
-static void txx9ndfmc_write(struct platform_device *dev,
- u32 val, unsigned int reg)
-{
- __raw_writel(val, ndregaddr(dev, reg));
-}
-
-static uint8_t txx9ndfmc_read_byte(struct nand_chip *chip)
-{
- struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip));
-
- return txx9ndfmc_read(dev, TXX9_NDFDTR);
-}
-
-static void txx9ndfmc_write_buf(struct nand_chip *chip, const uint8_t *buf,
- int len)
-{
- struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip));
- void __iomem *ndfdtr = ndregaddr(dev, TXX9_NDFDTR);
- u32 mcr = txx9ndfmc_read(dev, TXX9_NDFMCR);
-
- txx9ndfmc_write(dev, mcr | TXX9_NDFMCR_WE, TXX9_NDFMCR);
- while (len--)
- __raw_writel(*buf++, ndfdtr);
- txx9ndfmc_write(dev, mcr, TXX9_NDFMCR);
-}
-
-static void txx9ndfmc_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
-{
- struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip));
- void __iomem *ndfdtr = ndregaddr(dev, TXX9_NDFDTR);
-
- while (len--)
- *buf++ = __raw_readl(ndfdtr);
-}
-
-static void txx9ndfmc_cmd_ctrl(struct nand_chip *chip, int cmd,
- unsigned int ctrl)
-{
- struct txx9ndfmc_priv *txx9_priv = nand_get_controller_data(chip);
- struct platform_device *dev = txx9_priv->dev;
- struct txx9ndfmc_platform_data *plat = dev_get_platdata(&dev->dev);
-
- if (ctrl & NAND_CTRL_CHANGE) {
- u32 mcr = txx9ndfmc_read(dev, TXX9_NDFMCR);
-
- mcr &= ~(TXX9_NDFMCR_CLE | TXX9_NDFMCR_ALE | TXX9_NDFMCR_CE);
- mcr |= ctrl & NAND_CLE ? TXX9_NDFMCR_CLE : 0;
- mcr |= ctrl & NAND_ALE ? TXX9_NDFMCR_ALE : 0;
- /* TXX9_NDFMCR_CE bit is 0:high 1:low */
- mcr |= ctrl & NAND_NCE ? TXX9_NDFMCR_CE : 0;
- if (txx9_priv->cs >= 0 && (ctrl & NAND_NCE)) {
- mcr &= ~TXX9_NDFMCR_CS_MASK;
- mcr |= TXX9_NDFMCR_CS(txx9_priv->cs);
- }
- txx9ndfmc_write(dev, mcr, TXX9_NDFMCR);
- }
- if (cmd != NAND_CMD_NONE)
- txx9ndfmc_write(dev, cmd & 0xff, TXX9_NDFDTR);
- if (plat->flags & NDFMC_PLAT_FLAG_DUMMYWRITE) {
- /* dummy write to update external latch */
- if ((ctrl & NAND_CTRL_CHANGE) && cmd == NAND_CMD_NONE)
- txx9ndfmc_write(dev, 0, TXX9_NDFDTR);
- }
-}
-
-static int txx9ndfmc_dev_ready(struct nand_chip *chip)
-{
- struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip));
-
- return !(txx9ndfmc_read(dev, TXX9_NDFSR) & TXX9_NDFSR_BUSY);
-}
-
-static int txx9ndfmc_calculate_ecc(struct nand_chip *chip, const uint8_t *dat,
- uint8_t *ecc_code)
-{
- struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip));
- int eccbytes;
- u32 mcr = txx9ndfmc_read(dev, TXX9_NDFMCR);
-
- mcr &= ~TXX9_NDFMCR_ECC_ALL;
- txx9ndfmc_write(dev, mcr | TXX9_NDFMCR_ECC_OFF, TXX9_NDFMCR);
- txx9ndfmc_write(dev, mcr | TXX9_NDFMCR_ECC_READ, TXX9_NDFMCR);
- for (eccbytes = chip->ecc.bytes; eccbytes > 0; eccbytes -= 3) {
- ecc_code[1] = txx9ndfmc_read(dev, TXX9_NDFDTR);
- ecc_code[0] = txx9ndfmc_read(dev, TXX9_NDFDTR);
- ecc_code[2] = txx9ndfmc_read(dev, TXX9_NDFDTR);
- ecc_code += 3;
- }
- txx9ndfmc_write(dev, mcr | TXX9_NDFMCR_ECC_OFF, TXX9_NDFMCR);
- return 0;
-}
-
-static int txx9ndfmc_correct_data(struct nand_chip *chip, unsigned char *buf,
- unsigned char *read_ecc,
- unsigned char *calc_ecc)
-{
- int eccsize;
- int corrected = 0;
- int stat;
-
- for (eccsize = chip->ecc.size; eccsize > 0; eccsize -= 256) {
- stat = rawnand_sw_hamming_correct(chip, buf, read_ecc,
- calc_ecc);
- if (stat < 0)
- return stat;
- corrected += stat;
- buf += 256;
- read_ecc += 3;
- calc_ecc += 3;
- }
- return corrected;
-}
-
-static void txx9ndfmc_enable_hwecc(struct nand_chip *chip, int mode)
-{
- struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip));
- u32 mcr = txx9ndfmc_read(dev, TXX9_NDFMCR);
-
- mcr &= ~TXX9_NDFMCR_ECC_ALL;
- txx9ndfmc_write(dev, mcr | TXX9_NDFMCR_ECC_RESET, TXX9_NDFMCR);
- txx9ndfmc_write(dev, mcr | TXX9_NDFMCR_ECC_OFF, TXX9_NDFMCR);
- txx9ndfmc_write(dev, mcr | TXX9_NDFMCR_ECC_ON, TXX9_NDFMCR);
-}
-
-static void txx9ndfmc_initialize(struct platform_device *dev)
-{
- struct txx9ndfmc_platform_data *plat = dev_get_platdata(&dev->dev);
- struct txx9ndfmc_drvdata *drvdata = platform_get_drvdata(dev);
- int tmout = 100;
-
- if (plat->flags & NDFMC_PLAT_FLAG_NO_RSTR)
- ; /* no NDFRSTR. Write to NDFSPR resets the NDFMC. */
- else {
- /* reset NDFMC */
- txx9ndfmc_write(dev,
- txx9ndfmc_read(dev, TXX9_NDFRSTR) |
- TXX9_NDFRSTR_RST,
- TXX9_NDFRSTR);
- while (txx9ndfmc_read(dev, TXX9_NDFRSTR) & TXX9_NDFRSTR_RST) {
- if (--tmout == 0) {
- dev_err(&dev->dev, "reset failed.\n");
- break;
- }
- udelay(1);
- }
- }
- /* setup Hold Time, Strobe Pulse Width */
- txx9ndfmc_write(dev, (drvdata->hold << 4) | drvdata->spw, TXX9_NDFSPR);
- txx9ndfmc_write(dev,
- (plat->flags & NDFMC_PLAT_FLAG_USE_BSPRT) ?
- TXX9_NDFMCR_BSPRT : 0, TXX9_NDFMCR);
-}
-
-#define TXX9NDFMC_NS_TO_CYC(gbusclk, ns) \
- DIV_ROUND_UP((ns) * DIV_ROUND_UP(gbusclk, 1000), 1000000)
-
-static int txx9ndfmc_attach_chip(struct nand_chip *chip)
-{
- struct mtd_info *mtd = nand_to_mtd(chip);
-
- if (chip->ecc.engine_type != NAND_ECC_ENGINE_TYPE_ON_HOST)
- return 0;
-
- chip->ecc.strength = 1;
-
- if (mtd->writesize >= 512) {
- chip->ecc.size = 512;
- chip->ecc.bytes = 6;
- } else {
- chip->ecc.size = 256;
- chip->ecc.bytes = 3;
- }
-
- chip->ecc.calculate = txx9ndfmc_calculate_ecc;
- chip->ecc.correct = txx9ndfmc_correct_data;
- chip->ecc.hwctl = txx9ndfmc_enable_hwecc;
-
- return 0;
-}
-
-static const struct nand_controller_ops txx9ndfmc_controller_ops = {
- .attach_chip = txx9ndfmc_attach_chip,
-};
-
-static int __init txx9ndfmc_probe(struct platform_device *dev)
-{
- struct txx9ndfmc_platform_data *plat = dev_get_platdata(&dev->dev);
- int hold, spw;
- int i;
- struct txx9ndfmc_drvdata *drvdata;
- unsigned long gbusclk = plat->gbus_clock;
- struct resource *res;
-
- drvdata = devm_kzalloc(&dev->dev, sizeof(*drvdata), GFP_KERNEL);
- if (!drvdata)
- return -ENOMEM;
- res = platform_get_resource(dev, IORESOURCE_MEM, 0);
- drvdata->base = devm_ioremap_resource(&dev->dev, res);
- if (IS_ERR(drvdata->base))
- return PTR_ERR(drvdata->base);
-
- hold = plat->hold ?: 20; /* tDH */
- spw = plat->spw ?: 90; /* max(tREADID, tWP, tRP) */
-
- hold = TXX9NDFMC_NS_TO_CYC(gbusclk, hold);
- spw = TXX9NDFMC_NS_TO_CYC(gbusclk, spw);
- if (plat->flags & NDFMC_PLAT_FLAG_HOLDADD)
- hold -= 2; /* actual hold time : (HOLD + 2) BUSCLK */
- spw -= 1; /* actual wait time : (SPW + 1) BUSCLK */
- hold = clamp(hold, 1, 15);
- drvdata->hold = hold;
- spw = clamp(spw, 1, 15);
- drvdata->spw = spw;
- dev_info(&dev->dev, "CLK:%ldMHz HOLD:%d SPW:%d\n",
- (gbusclk + 500000) / 1000000, hold, spw);
-
- nand_controller_init(&drvdata->controller);
- drvdata->controller.ops = &txx9ndfmc_controller_ops;
-
- platform_set_drvdata(dev, drvdata);
- txx9ndfmc_initialize(dev);
-
- for (i = 0; i < MAX_TXX9NDFMC_DEV; i++) {
- struct txx9ndfmc_priv *txx9_priv;
- struct nand_chip *chip;
- struct mtd_info *mtd;
-
- if (!(plat->ch_mask & (1 << i)))
- continue;
- txx9_priv = kzalloc(sizeof(struct txx9ndfmc_priv),
- GFP_KERNEL);
- if (!txx9_priv)
- continue;
- chip = &txx9_priv->chip;
- mtd = nand_to_mtd(chip);
- mtd->dev.parent = &dev->dev;
-
- chip->legacy.read_byte = txx9ndfmc_read_byte;
- chip->legacy.read_buf = txx9ndfmc_read_buf;
- chip->legacy.write_buf = txx9ndfmc_write_buf;
- chip->legacy.cmd_ctrl = txx9ndfmc_cmd_ctrl;
- chip->legacy.dev_ready = txx9ndfmc_dev_ready;
- chip->legacy.chip_delay = 100;
- chip->controller = &drvdata->controller;
-
- nand_set_controller_data(chip, txx9_priv);
- txx9_priv->dev = dev;
-
- if (plat->ch_mask != 1) {
- txx9_priv->cs = i;
- txx9_priv->mtdname = kasprintf(GFP_KERNEL, "%s.%u",
- dev_name(&dev->dev), i);
- } else {
- txx9_priv->cs = -1;
- txx9_priv->mtdname = kstrdup(dev_name(&dev->dev),
- GFP_KERNEL);
- }
- if (!txx9_priv->mtdname) {
- kfree(txx9_priv);
- dev_err(&dev->dev, "Unable to allocate MTD name.\n");
- continue;
- }
- if (plat->wide_mask & (1 << i))
- chip->options |= NAND_BUSWIDTH_16;
-
- if (nand_scan(chip, 1)) {
- kfree(txx9_priv->mtdname);
- kfree(txx9_priv);
- continue;
- }
- mtd->name = txx9_priv->mtdname;
-
- mtd_device_register(mtd, NULL, 0);
- drvdata->mtds[i] = mtd;
- }
-
- return 0;
-}
-
-static int __exit txx9ndfmc_remove(struct platform_device *dev)
-{
- struct txx9ndfmc_drvdata *drvdata = platform_get_drvdata(dev);
- int ret, i;
-
- if (!drvdata)
- return 0;
- for (i = 0; i < MAX_TXX9NDFMC_DEV; i++) {
- struct mtd_info *mtd = drvdata->mtds[i];
- struct nand_chip *chip;
- struct txx9ndfmc_priv *txx9_priv;
-
- if (!mtd)
- continue;
- chip = mtd_to_nand(mtd);
- txx9_priv = nand_get_controller_data(chip);
-
- ret = mtd_device_unregister(nand_to_mtd(chip));
- WARN_ON(ret);
- nand_cleanup(chip);
- kfree(txx9_priv->mtdname);
- kfree(txx9_priv);
- }
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int txx9ndfmc_resume(struct platform_device *dev)
-{
- if (platform_get_drvdata(dev))
- txx9ndfmc_initialize(dev);
- return 0;
-}
-#else
-#define txx9ndfmc_resume NULL
-#endif
-
-static struct platform_driver txx9ndfmc_driver = {
- .remove = __exit_p(txx9ndfmc_remove),
- .resume = txx9ndfmc_resume,
- .driver = {
- .name = "txx9ndfmc",
- },
-};
-
-module_platform_driver_probe(txx9ndfmc_driver, txx9ndfmc_probe);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("TXx9 SoC NAND flash controller driver");
-MODULE_ALIAS("platform:txx9ndfmc");
diff --git a/include/linux/platform_data/txx9/ndfmc.h b/include/linux/platform_data/txx9/ndfmc.h
deleted file mode 100644
index 7aaa4cd34d31..000000000000
--- a/include/linux/platform_data/txx9/ndfmc.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- *
- * (C) Copyright TOSHIBA CORPORATION 2007
- */
-#ifndef __TXX9_NDFMC_H
-#define __TXX9_NDFMC_H
-
-#define NDFMC_PLAT_FLAG_USE_BSPRT 0x01
-#define NDFMC_PLAT_FLAG_NO_RSTR 0x02
-#define NDFMC_PLAT_FLAG_HOLDADD 0x04
-#define NDFMC_PLAT_FLAG_DUMMYWRITE 0x08
-
-struct txx9ndfmc_platform_data {
- unsigned int shift;
- unsigned int gbus_clock;
- unsigned int hold; /* hold time in nanosecond */
- unsigned int spw; /* strobe pulse width in nanosecond */
- unsigned int flags;
- unsigned char ch_mask; /* available channel bitmask */
- unsigned char wp_mask; /* write-protect bitmask */
- unsigned char wide_mask; /* 16bit-nand bitmask */
-};
-
-void txx9_ndfmc_init(unsigned long baseaddr,
- const struct txx9ndfmc_platform_data *plat_data);
-
-#endif /* __TXX9_NDFMC_H */
--
2.29.2