OneNAND: Remove OMAP platform driver (1b01d979) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/mtd/onenand/Kconfig

+0 −6

Original line number	Diff line number	Diff line
		@@ -30,12 +30,6 @@ config MTD_ONENAND_GENERIC
		Support for OneNAND flash on generic board. Using device driver
		framework, now all most platfrom are support.

		config MTD_ONENAND_OMAP
		tristate "OneNAND Flash device on OMAP board"
		depends on ARCH_OMAP && MTD_ONENAND
		help
		Support for OneNAND flash on TI OMAP board.

		config MTD_ONENAND_SYNC_READ
		bool "OneNAND Sync. Burst Read Support"
		depends on ARCH_OMAP

drivers/mtd/onenand/Makefile

+0 −1

Original line number	Diff line number	Diff line
		@@ -7,7 +7,6 @@ obj-$(CONFIG_MTD_ONENAND) += onenand.o

		# Board specific.
		obj-$(CONFIG_MTD_ONENAND_GENERIC) += generic.o
		obj-$(CONFIG_MTD_ONENAND_OMAP) += omap-onenand.o

		# Simulator
		obj-$(CONFIG_MTD_ONENAND_SIM) += onenand_sim.o

drivers/mtd/onenand/omap-onenand.c

deleted100644 → 0

+0 −147

Original line number	Diff line number	Diff line
		/*
		* linux/drivers/mtd/onenand/omap-onenand.c
		*
		* Copyright (c) 2005 Samsung Electronics
		* Kyungmin Park <kyungmin.park@samsung.com>
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 as
		* published by the Free Software Foundation.
		*
		* Overview:
		* This is a device driver for the OneNAND flash for OMAP boards.
		*/

		#include <linux/device.h>
		#include <linux/module.h>
		#include <linux/init.h>
		#include <linux/mtd/mtd.h>
		#include <linux/mtd/onenand.h>
		#include <linux/mtd/partitions.h>

		#include <asm/io.h>
		#include <asm/mach/flash.h>

		#define DRIVER_NAME "onenand"


		#ifdef CONFIG_MTD_PARTITIONS
		static const char *part_probes[] = { "cmdlinepart", NULL, };
		#endif

		struct omap_onenand_info {
		struct mtd_info mtd;
		struct mtd_partition *parts;
		struct onenand_chip onenand;
		};

		static int __devinit omap_onenand_probe(struct device *dev)
		{
		struct omap_onenand_info *info;
		struct platform_device *pdev = to_platform_device(dev);
		struct onenand_platform_data *pdata = pdev->dev.platform_data;
		struct resource *res = pdev->resource;
		unsigned long size = res->end - res->start + 1;
		int err;

		info = kmalloc(sizeof(struct omap_onenand_info), GFP_KERNEL);
		if (!info)
		return -ENOMEM;

		memset(info, 0, sizeof(struct omap_onenand_info));

		if (!request_mem_region(res->start, size, dev->driver->name)) {
		err = -EBUSY;
		goto out_free_info;
		}

		info->onenand.base = ioremap(res->start, size);
		if (!info->onenand.base) {
		err = -ENOMEM;
		goto out_release_mem_region;
		}

		info->onenand.mmcontrol = pdata->mmcontrol;

		info->mtd.name = pdev->dev.bus_id;
		info->mtd.priv = &info->onenand;
		info->mtd.owner = THIS_MODULE;

		if (onenand_scan(&info->mtd, 1)) {
		err = -ENXIO;
		goto out_iounmap;
		}

		#ifdef CONFIG_MTD_PARTITIONS
		err = parse_mtd_partitions(&info->mtd, part_probes, &info->parts, 0);
		if (err > 0)
		add_mtd_partitions(&info->mtd, info->parts, err);
		else if (err < 0 && pdata->parts)
		add_mtd_partitions(&info->mtd, pdata->parts, pdata->nr_parts);
		else
		#endif
		err = add_mtd_device(&info->mtd);

		dev_set_drvdata(&pdev->dev, info);

		return 0;

		out_iounmap:
		iounmap(info->onenand.base);
		out_release_mem_region:
		release_mem_region(res->start, size);
		out_free_info:
		kfree(info);

		return err;
		}

		static int __devexit omap_onenand_remove(struct device *dev)
		{
		struct platform_device *pdev = to_platform_device(dev);
		struct omap_onenand_info *info = dev_get_drvdata(&pdev->dev);
		struct resource *res = pdev->resource;
		unsigned long size = res->end - res->start + 1;

		dev_set_drvdata(&pdev->dev, NULL);

		if (info) {
		if (info->parts)
		del_mtd_partitions(&info->mtd);
		else
		del_mtd_device(&info->mtd);

		onenand_release(&info->mtd);
		release_mem_region(res->start, size);
		iounmap(info->onenand.base);
		kfree(info);
		}

		return 0;
		}

		static struct device_driver omap_onenand_driver = {
		.name = DRIVER_NAME,
		.bus = &platform_bus_type,
		.probe = omap_onenand_probe,
		.remove = __devexit_p(omap_onenand_remove),
		};

		MODULE_ALIAS(DRIVER_NAME);

		static int __init omap_onenand_init(void)
		{
		return driver_register(&omap_onenand_driver);
		}

		static void __exit omap_onenand_exit(void)
		{
		driver_unregister(&omap_onenand_driver);
		}

		module_init(omap_onenand_init);
		module_exit(omap_onenand_exit);

		MODULE_LICENSE("GPL");
		MODULE_AUTHOR("Kyungmin Park <kyungmin.park@samsung.com>");
		MODULE_DESCRIPTION("Glue layer for OneNAND flash on OMAP boards");