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hc
2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d 
 kernel/include/uapi/mtd/mtd-abi.h
....@@ -104,6 +104,7 @@
104104 #define MTD_BIT_WRITEABLE	0x800	/* Single bits can be flipped */
105105 #define MTD_NO_ERASE		0x1000	/* No erase necessary */
106106 #define MTD_POWERUP_LOCK	0x2000	/* Always locked after reset */
107
+#define MTD_SLC_ON_MLC_EMULATION 0x4000	/* Emulate SLC behavior on MLC NANDs */
107108 
108109 /* Some common devices / combinations of capabilities */
109110 #define MTD_CAP_ROM		0
....@@ -113,11 +114,11 @@
113114 #define MTD_CAP_NVRAM		(MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
114115 
115116 /* Obsolete ECC byte placement modes (used with obsolete MEMGETOOBSEL) */
116
-#define MTD_NANDECC_OFF		0	// Switch off ECC (Not recommended)
117
-#define MTD_NANDECC_PLACE	1	// Use the given placement in the structure (YAFFS1 legacy mode)
118
-#define MTD_NANDECC_AUTOPLACE	2	// Use the default placement scheme
119
-#define MTD_NANDECC_PLACEONLY	3	// Use the given placement in the structure (Do not store ecc result on read)
120
-#define MTD_NANDECC_AUTOPL_USR 	4	// Use the given autoplacement scheme rather than using the default
117
+#define MTD_NANDECC_OFF		0	/* Switch off ECC (Not recommended) */
118
+#define MTD_NANDECC_PLACE	1	/* Use the given placement in the structure (YAFFS1 legacy mode) */
119
+#define MTD_NANDECC_AUTOPLACE	2	/* Use the default placement scheme */
120
+#define MTD_NANDECC_PLACEONLY	3	/* Use the given placement in the structure (Do not store ecc result on read) */
121
+#define MTD_NANDECC_AUTOPL_USR 	4	/* Use the given autoplacement scheme rather than using the default */
121122 
122123 /* OTP mode selection */
123124 #define MTD_OTP_OFF		0
....@@ -261,7 +262,7 @@
261262  * @MTD_FILE_MODE_OTP_USER:	OTP enabled in user mode
262263  * @MTD_FILE_MODE_RAW:		OTP disabled, ECC disabled
263264  *
264
- * These modes can be set via ioctl(MTDFILEMODE). The mode mode will be retained
265
+ * These modes can be set via ioctl(MTDFILEMODE). The mode will be retained
265266  * separately for each open file descriptor.
266267  *
267268  * Note: %MTD_FILE_MODE_RAW provides the same functionality as %MTD_OPS_RAW -