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@@ -1,224 +0,0 @@
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-/* linux/drivers/mtd/maps/bast-flash.c
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- *
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- * Copyright (c) 2004-2005 Simtec Electronics
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- * Ben Dooks <ben@simtec.co.uk>
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- *
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- * Simtec Bast (EB2410ITX) NOR MTD Mapping driver
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- *
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- * Changelog:
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- * 20-Sep-2004 BJD Initial version
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- * 17-Jan-2005 BJD Add whole device if no partitions found
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-*/
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-
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-#include <linux/module.h>
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-#include <linux/types.h>
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-#include <linux/init.h>
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-#include <linux/kernel.h>
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-#include <linux/string.h>
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-#include <linux/ioport.h>
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-#include <linux/device.h>
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-#include <linux/slab.h>
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-#include <linux/platform_device.h>
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-#include <linux/mtd/mtd.h>
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-#include <linux/mtd/map.h>
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-#include <linux/mtd/partitions.h>
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-
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-#include <asm/io.h>
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-#include <asm/mach/flash.h>
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-
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-#include <asm/arch/map.h>
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-#include <asm/arch/bast-map.h>
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-#include <asm/arch/bast-cpld.h>
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-
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-#ifdef CONFIG_MTD_BAST_MAXSIZE
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-#define AREA_MAXSIZE (CONFIG_MTD_BAST_MAXSIZE * SZ_1M)
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-#else
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-#define AREA_MAXSIZE (32 * SZ_1M)
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-#endif
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-
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-#define PFX "bast-flash: "
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-
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-struct bast_flash_info {
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- struct mtd_info *mtd;
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- struct map_info map;
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- struct mtd_partition *partitions;
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- struct resource *area;
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-};
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-
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-static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
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-
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-static void bast_flash_setrw(int to)
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-{
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- unsigned int val;
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- unsigned long flags;
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-
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- local_irq_save(flags);
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- val = __raw_readb(BAST_VA_CTRL3);
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-
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- if (to)
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- val |= BAST_CPLD_CTRL3_ROMWEN;
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- else
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- val &= ~BAST_CPLD_CTRL3_ROMWEN;
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-
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- pr_debug("new cpld ctrl3=%02x\n", val);
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-
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- __raw_writeb(val, BAST_VA_CTRL3);
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- local_irq_restore(flags);
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-}
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-
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-static int bast_flash_remove(struct platform_device *pdev)
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-{
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- struct bast_flash_info *info = platform_get_drvdata(pdev);
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-
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- platform_set_drvdata(pdev, NULL);
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-
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- if (info == NULL)
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- return 0;
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-
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- if (info->map.virt != NULL)
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- iounmap(info->map.virt);
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-
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- if (info->mtd) {
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- del_mtd_partitions(info->mtd);
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- map_destroy(info->mtd);
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- }
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-
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- kfree(info->partitions);
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-
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- if (info->area) {
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- release_resource(info->area);
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- kfree(info->area);
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- }
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-
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- kfree(info);
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-
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- return 0;
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-}
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-
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-static int bast_flash_probe(struct platform_device *pdev)
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-{
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- struct bast_flash_info *info;
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- struct resource *res;
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- int err = 0;
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-
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- info = kmalloc(sizeof(*info), GFP_KERNEL);
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- if (info == NULL) {
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- printk(KERN_ERR PFX "no memory for flash info\n");
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- err = -ENOMEM;
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- goto exit_error;
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- }
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-
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- memzero(info, sizeof(*info));
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- platform_set_drvdata(pdev, info);
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-
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- res = pdev->resource; /* assume that the flash has one resource */
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-
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- info->map.phys = res->start;
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- info->map.size = res->end - res->start + 1;
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- info->map.name = pdev->dev.bus_id;
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- info->map.bankwidth = 2;
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-
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- if (info->map.size > AREA_MAXSIZE)
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- info->map.size = AREA_MAXSIZE;
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-
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- pr_debug("%s: area %08lx, size %ld\n", __func__,
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- info->map.phys, info->map.size);
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-
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- info->area = request_mem_region(res->start, info->map.size,
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- pdev->name);
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- if (info->area == NULL) {
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- printk(KERN_ERR PFX "cannot reserve flash memory region\n");
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- err = -ENOENT;
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- goto exit_error;
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- }
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-
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- info->map.virt = ioremap(res->start, info->map.size);
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- pr_debug("%s: virt at %08x\n", __func__, (int)info->map.virt);
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-
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- if (info->map.virt == 0) {
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- printk(KERN_ERR PFX "failed to ioremap() region\n");
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- err = -EIO;
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- goto exit_error;
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- }
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-
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- simple_map_init(&info->map);
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-
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- /* enable the write to the flash area */
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-
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- bast_flash_setrw(1);
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-
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- /* probe for the device(s) */
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-
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- info->mtd = do_map_probe("jedec_probe", &info->map);
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- if (info->mtd == NULL)
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- info->mtd = do_map_probe("cfi_probe", &info->map);
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-
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- if (info->mtd == NULL) {
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- printk(KERN_ERR PFX "map_probe() failed\n");
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- err = -ENXIO;
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- goto exit_error;
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- }
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-
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- /* mark ourselves as the owner */
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- info->mtd->owner = THIS_MODULE;
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-
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- err = parse_mtd_partitions(info->mtd, probes, &info->partitions, 0);
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- if (err > 0) {
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- err = add_mtd_partitions(info->mtd, info->partitions, err);
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- if (err)
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- printk(KERN_ERR PFX "cannot add/parse partitions\n");
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- } else {
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- err = add_mtd_device(info->mtd);
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- }
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-
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- if (err == 0)
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- return 0;
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-
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- /* fall through to exit error */
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-
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- exit_error:
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- bast_flash_remove(pdev);
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- return err;
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-}
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-
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-static struct platform_driver bast_flash_driver = {
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- .probe = bast_flash_probe,
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- .remove = bast_flash_remove,
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- .driver = {
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- .name = "bast-nor",
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- .owner = THIS_MODULE,
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- },
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-};
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-
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-static int __init bast_flash_init(void)
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-{
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- printk("BAST NOR-Flash Driver, (c) 2004 Simtec Electronics\n");
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- return platform_driver_register(&bast_flash_driver);
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-}
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-
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-static void __exit bast_flash_exit(void)
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-{
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- platform_driver_unregister(&bast_flash_driver);
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-}
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-
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-module_init(bast_flash_init);
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-module_exit(bast_flash_exit);
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-
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-MODULE_LICENSE("GPL");
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-MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
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-MODULE_DESCRIPTION("BAST MTD Map driver");
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-MODULE_ALIAS("platform:bast-nor");
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