Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (79 commits) mtd: Remove obsolete <mtd/compatmac.h> include mtd: Update copyright notices jffs2: Update copyright notices mtd-physmap: add support users can assign the probe type in board files mtd: remove redwood map driver mxc_nand: Add v3 (i.MX51) Support mxc_nand: support 8bit ecc mxc_nand: fix correct_data function mxc_nand: add V1_V2 namespace to registers mxc_nand: factor out a check_int function mxc_nand: make some internally used functions overwriteable mxc_nand: rework get_dev_status mxc_nand: remove 0xe00 offset from registers mtd: denali: Add multi connected NAND support mtd: denali: Remove set_ecc_config function mtd: denali: Remove unuseful code in get_xx_nand_para functions mtd: denali: Remove device_info_tag structure mtd: m25p80: add support for the Winbond W25Q32 SPI flash chip mtd: m25p80: add support for the Intel/Numonyx {16,32,64}0S33B SPI flash chips mtd: m25p80: add support for the EON EN25P{32, 64} SPI flash chips ... Fix up trivial conflicts in drivers/mtd/maps/{Kconfig,redwood.c} due to redwood driver removal.
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@@ -1,5 +1,19 @@
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/*
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* Character-device access to raw MTD devices.
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* Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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@@ -18,7 +32,7 @@
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#include <linux/mount.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/compatmac.h>
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#include <linux/mtd/map.h>
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#include <asm/uaccess.h>
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@@ -675,6 +689,20 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
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break;
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}
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case MEMISLOCKED:
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{
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struct erase_info_user einfo;
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if (copy_from_user(&einfo, argp, sizeof(einfo)))
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return -EFAULT;
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if (!mtd->is_locked)
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ret = -EOPNOTSUPP;
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else
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ret = mtd->is_locked(mtd, einfo.start, einfo.length);
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break;
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}
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/* Legacy interface */
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case MEMGETOOBSEL:
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{
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@@ -950,9 +978,34 @@ static int mtd_mmap(struct file *file, struct vm_area_struct *vma)
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#ifdef CONFIG_MMU
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struct mtd_file_info *mfi = file->private_data;
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struct mtd_info *mtd = mfi->mtd;
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struct map_info *map = mtd->priv;
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unsigned long start;
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unsigned long off;
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u32 len;
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if (mtd->type == MTD_RAM || mtd->type == MTD_ROM) {
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off = vma->vm_pgoff << PAGE_SHIFT;
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start = map->phys;
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len = PAGE_ALIGN((start & ~PAGE_MASK) + map->size);
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start &= PAGE_MASK;
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if ((vma->vm_end - vma->vm_start + off) > len)
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return -EINVAL;
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off += start;
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vma->vm_pgoff = off >> PAGE_SHIFT;
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vma->vm_flags |= VM_IO | VM_RESERVED;
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#ifdef pgprot_noncached
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if (file->f_flags & O_DSYNC || off >= __pa(high_memory))
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vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
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#endif
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if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
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vma->vm_end - vma->vm_start,
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vma->vm_page_prot))
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return -EAGAIN;
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if (mtd->type == MTD_RAM || mtd->type == MTD_ROM)
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return 0;
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}
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return -ENOSYS;
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#else
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return vma->vm_flags & VM_SHARED ? 0 : -ENOSYS;
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