mtd: rawnand: Get rid of a few unused definitions

Those definitions are not used, let's remove them.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

drivers/mtd/nand/raw/nand_timings.c

@@ -270,20 +270,6 @@ static const struct nand_data_interface onfi_sdr_timings[] = {
 	},
 };
 
-/**
- * onfi_async_timing_mode_to_sdr_timings - [NAND Interface] Retrieve NAND
- * timings according to the given ONFI timing mode
- * @mode: ONFI timing mode
- */
-const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode)
-{
-	if (mode < 0 || mode >= ARRAY_SIZE(onfi_sdr_timings))
-		return ERR_PTR(-EINVAL);
-
-	return &onfi_sdr_timings[mode].timings.sdr;
-}
-EXPORT_SYMBOL(onfi_async_timing_mode_to_sdr_timings);
-
 /**
  * onfi_fill_data_interface - [NAND Interface] Initialize a data interface from
  * given ONFI mode

include/linux/mtd/rawnand.h

@@ -119,10 +119,6 @@ enum nand_ecc_algo {
 #define NAND_ECC_GENERIC_ERASED_CHECK	BIT(0)
 #define NAND_ECC_MAXIMIZE		BIT(1)
 
-/* Bit mask for flags passed to do_nand_read_ecc */
-#define NAND_GET_DEVICE		0x80
-
-
 /*
  * Option constants for bizarre disfunctionality and real
  * features.
@@ -163,9 +159,7 @@ enum nand_ecc_algo {
 #define NAND_SAMSUNG_LP_OPTIONS NAND_CACHEPRG
 
 /* Macros to identify the above */
-#define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG))
 #define NAND_HAS_SUBPAGE_READ(chip) ((chip->options & NAND_SUBPAGE_READ))
-#define NAND_HAS_SUBPAGE_WRITE(chip) !((chip)->options & NAND_NO_SUBPAGE_WRITE)
 
 /* Non chip related options */
 /* This option skips the bbt scan during initialization. */
@@ -1649,8 +1643,6 @@ static inline int nand_opcode_8bits(unsigned int command)
 	return 0;
 }
 
-/* get timing characteristics from ONFI timing mode. */
-const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode);
 
 int nand_check_erased_ecc_chunk(void *data, int datalen,
 				void *ecc, int ecclen,