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authorMark Brown <broonie@linaro.org>2013-11-24 09:35:18 -0500
committerMark Brown <broonie@linaro.org>2013-11-24 09:35:18 -0500
commit30c27abd28fa168d7ebd2e5286f1fe473c74bfa9 (patch)
tree9936b38c0c81cd430d5e75906c1207d127fe588c /include/linux/mtd
parent16ec790938d4f356c82fab27b9a9adf4d6fe19a6 (diff)
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
Merge tag 'v3.13-rc1' into asoc-arizona
Linux 3.13-rc1
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/bbm.h2
-rw-r--r--include/linux/mtd/map.h4
-rw-r--r--include/linux/mtd/mtd.h8
-rw-r--r--include/linux/mtd/nand.h16
4 files changed, 19 insertions, 11 deletions
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 95fc482cef36..36bb6a503f19 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -91,8 +91,6 @@ struct nand_bbt_descr {
91 * with NAND_BBT_CREATE. 91 * with NAND_BBT_CREATE.
92 */ 92 */
93#define NAND_BBT_CREATE_EMPTY 0x00000400 93#define NAND_BBT_CREATE_EMPTY 0x00000400
94/* Search good / bad pattern through all pages of a block */
95#define NAND_BBT_SCANALLPAGES 0x00000800
96/* Write bbt if neccecary */ 94/* Write bbt if neccecary */
97#define NAND_BBT_WRITE 0x00002000 95#define NAND_BBT_WRITE 0x00002000
98/* Read and write back block contents when writing bbt */ 96/* Read and write back block contents when writing bbt */
diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index 4b02512e421c..5f487d776411 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -365,7 +365,7 @@ static inline map_word map_word_load_partial(struct map_info *map, map_word orig
365 bitpos = (map_bankwidth(map)-1-i)*8; 365 bitpos = (map_bankwidth(map)-1-i)*8;
366#endif 366#endif
367 orig.x[0] &= ~(0xff << bitpos); 367 orig.x[0] &= ~(0xff << bitpos);
368 orig.x[0] |= buf[i-start] << bitpos; 368 orig.x[0] |= (unsigned long)buf[i-start] << bitpos;
369 } 369 }
370 } 370 }
371 return orig; 371 return orig;
@@ -384,7 +384,7 @@ static inline map_word map_word_ff(struct map_info *map)
384 384
385 if (map_bankwidth(map) < MAP_FF_LIMIT) { 385 if (map_bankwidth(map) < MAP_FF_LIMIT) {
386 int bw = 8 * map_bankwidth(map); 386 int bw = 8 * map_bankwidth(map);
387 r.x[0] = (1 << bw) - 1; 387 r.x[0] = (1UL << bw) - 1;
388 } else { 388 } else {
389 for (i=0; i<map_words(map); i++) 389 for (i=0; i<map_words(map); i++)
390 r.x[i] = ~0UL; 390 r.x[i] = ~0UL;
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index f9bfe526d310..8cc0e2fb6894 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -29,9 +29,6 @@
29 29
30#include <asm/div64.h> 30#include <asm/div64.h>
31 31
32#define MTD_CHAR_MAJOR 90
33#define MTD_BLOCK_MAJOR 31
34
35#define MTD_ERASE_PENDING 0x01 32#define MTD_ERASE_PENDING 0x01
36#define MTD_ERASING 0x02 33#define MTD_ERASING 0x02
37#define MTD_ERASE_SUSPEND 0x04 34#define MTD_ERASE_SUSPEND 0x04
@@ -354,6 +351,11 @@ static inline int mtd_has_oob(const struct mtd_info *mtd)
354 return mtd->_read_oob && mtd->_write_oob; 351 return mtd->_read_oob && mtd->_write_oob;
355} 352}
356 353
354static inline int mtd_type_is_nand(const struct mtd_info *mtd)
355{
356 return mtd->type == MTD_NANDFLASH || mtd->type == MTD_MLCNANDFLASH;
357}
358
357static inline int mtd_can_have_bb(const struct mtd_info *mtd) 359static inline int mtd_can_have_bb(const struct mtd_info *mtd)
358{ 360{
359 return !!mtd->_block_isbad; 361 return !!mtd->_block_isbad;
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index ac8e89d5a792..9e6c8f9f306e 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -198,6 +198,7 @@ typedef enum {
198/* Cell info constants */ 198/* Cell info constants */
199#define NAND_CI_CHIPNR_MSK 0x03 199#define NAND_CI_CHIPNR_MSK 0x03
200#define NAND_CI_CELLTYPE_MSK 0x0C 200#define NAND_CI_CELLTYPE_MSK 0x0C
201#define NAND_CI_CELLTYPE_SHIFT 2
201 202
202/* Keep gcc happy */ 203/* Keep gcc happy */
203struct nand_chip; 204struct nand_chip;
@@ -477,7 +478,7 @@ struct nand_buffers {
477 * @badblockbits: [INTERN] minimum number of set bits in a good block's 478 * @badblockbits: [INTERN] minimum number of set bits in a good block's
478 * bad block marker position; i.e., BBM == 11110111b is 479 * bad block marker position; i.e., BBM == 11110111b is
479 * not bad when badblockbits == 7 480 * not bad when badblockbits == 7
480 * @cellinfo: [INTERN] MLC/multichip data from chip ident 481 * @bits_per_cell: [INTERN] number of bits per cell. i.e., 1 means SLC.
481 * @ecc_strength_ds: [INTERN] ECC correctability from the datasheet. 482 * @ecc_strength_ds: [INTERN] ECC correctability from the datasheet.
482 * Minimum amount of bit errors per @ecc_step_ds guaranteed 483 * Minimum amount of bit errors per @ecc_step_ds guaranteed
483 * to be correctable. If unknown, set to zero. 484 * to be correctable. If unknown, set to zero.
@@ -498,7 +499,6 @@ struct nand_buffers {
498 * supported, 0 otherwise. 499 * supported, 0 otherwise.
499 * @onfi_set_features: [REPLACEABLE] set the features for ONFI nand 500 * @onfi_set_features: [REPLACEABLE] set the features for ONFI nand
500 * @onfi_get_features: [REPLACEABLE] get the features for ONFI nand 501 * @onfi_get_features: [REPLACEABLE] get the features for ONFI nand
501 * @ecclayout: [REPLACEABLE] the default ECC placement scheme
502 * @bbt: [INTERN] bad block table pointer 502 * @bbt: [INTERN] bad block table pointer
503 * @bbt_td: [REPLACEABLE] bad block table descriptor for flash 503 * @bbt_td: [REPLACEABLE] bad block table descriptor for flash
504 * lookup. 504 * lookup.
@@ -559,7 +559,7 @@ struct nand_chip {
559 int pagebuf; 559 int pagebuf;
560 unsigned int pagebuf_bitflips; 560 unsigned int pagebuf_bitflips;
561 int subpagesize; 561 int subpagesize;
562 uint8_t cellinfo; 562 uint8_t bits_per_cell;
563 uint16_t ecc_strength_ds; 563 uint16_t ecc_strength_ds;
564 uint16_t ecc_step_ds; 564 uint16_t ecc_step_ds;
565 int badblockpos; 565 int badblockpos;
@@ -572,7 +572,6 @@ struct nand_chip {
572 572
573 uint8_t *oob_poi; 573 uint8_t *oob_poi;
574 struct nand_hw_control *controller; 574 struct nand_hw_control *controller;
575 struct nand_ecclayout *ecclayout;
576 575
577 struct nand_ecc_ctrl ecc; 576 struct nand_ecc_ctrl ecc;
578 struct nand_buffers *buffers; 577 struct nand_buffers *buffers;
@@ -797,4 +796,13 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip)
797 return le16_to_cpu(chip->onfi_params.src_sync_timing_mode); 796 return le16_to_cpu(chip->onfi_params.src_sync_timing_mode);
798} 797}
799 798
799/*
800 * Check if it is a SLC nand.
801 * The !nand_is_slc() can be used to check the MLC/TLC nand chips.
802 * We do not distinguish the MLC and TLC now.
803 */
804static inline bool nand_is_slc(struct nand_chip *chip)
805{
806 return chip->bits_per_cell == 1;
807}
800#endif /* __LINUX_MTD_NAND_H */ 808#endif /* __LINUX_MTD_NAND_H */