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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-30 08:31:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-30 08:31:35 -0700
commit79346507ad48895f41b438fa562b1965721f36b9 (patch)
tree5c115ce87f1fbc0b530f30db56cecf824e9f6e05 /include/mtd/mtd-abi.h
parentMerge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm (diff)
parentmtd: fix build error in m25p80.c (diff)
downloadlinux-dev-79346507ad48895f41b438fa562b1965721f36b9.tar.xz
linux-dev-79346507ad48895f41b438fa562b1965721f36b9.zip
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (82 commits) mtd: fix build error in m25p80.c mtd: Remove redundant mutex from mtd_blkdevs.c MTD: Fix wrong check register_blkdev return value Revert "mtd: cleanup Kconfig dependencies" mtd: cfi_cmdset_0002: make sector erase command variable mtd: cfi_cmdset_0002: add CFI detection for SST 38VF640x chips mtd: cfi_util: add support for switching SST 39VF640xB chips into QRY mode mtd: cfi_cmdset_0001: use defined value of P_ID_INTEL_PERFORMANCE instead of hardcoded one block2mtd: dubious assignment P4080/mtd: Fix the freescale lbc issue with 36bit mode P4080/eLBC: Make Freescale elbc interrupt common to elbc devices mtd: phram: use KBUILD_MODNAME mtd: OneNAND: S5PC110: Fix double call suspend & resume function mtd: nand: fix MTD_MODE_RAW writes jffs2: use kmemdup mtd: sm_ftl: cosmetic, use bool when possible mtd: r852: remove useless pci powerup/down from suspend/resume routines mtd: blktrans: fix a race vs kthread_stop mtd: blktrans: kill BKL mtd: allow to unload the mtdtrans module if its block devices aren't open ... Fix up trivial whitespace-introduced conflict in drivers/mtd/mtdchar.c
Diffstat (limited to 'include/mtd/mtd-abi.h')
-rw-r--r--include/mtd/mtd-abi.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index 4debb4514634..2f7d45bcbd24 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -52,6 +52,7 @@ struct mtd_oob_buf64 {
#define MTD_NANDFLASH 4
#define MTD_DATAFLASH 6
#define MTD_UBIVOLUME 7
+#define MTD_MLCNANDFLASH 8
#define MTD_WRITEABLE 0x400 /* Device is writeable */
#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */
@@ -119,7 +120,7 @@ struct otp_info {
#define OTPGETREGIONCOUNT _IOW('M', 14, int)
#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
#define OTPLOCK _IOR('M', 16, struct otp_info)
-#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout)
+#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout_user)
#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
#define MTDFILEMODE _IO('M', 19)
#define MEMERASE64 _IOW('M', 20, struct erase_info_user64)
@@ -144,13 +145,18 @@ struct nand_oobfree {
};
#define MTD_MAX_OOBFREE_ENTRIES 8
+#define MTD_MAX_ECCPOS_ENTRIES 64
/*
- * ECC layout control structure. Exported to userspace for
- * diagnosis and to allow creation of raw images
+ * OBSOLETE: ECC layout control structure. Exported to user-space via ioctl
+ * ECCGETLAYOUT for backwards compatbility and should not be mistaken as a
+ * complete set of ECC information. The ioctl truncates the larger internal
+ * structure to retain binary compatibility with the static declaration of the
+ * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of
+ * the user struct, not the MAX size of the internal struct nand_ecclayout.
*/
-struct nand_ecclayout {
+struct nand_ecclayout_user {
__u32 eccbytes;
- __u32 eccpos[64];
+ __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES];
__u32 oobavail;
struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
};