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- From ee9081b2726a5ca8cde5497afdc5425e21ff8f8b Mon Sep 17 00:00:00 2001
- From: John Crispin <blogic@openwrt.org>
- Date: Mon, 15 Jul 2013 00:39:21 +0200
- Subject: [PATCH 37/53] mtd: cfi cmdset 0002 force word write
- ---
- drivers/mtd/chips/cfi_cmdset_0002.c | 9 +++++++--
- 1 file changed, 7 insertions(+), 2 deletions(-)
- --- a/drivers/mtd/chips/cfi_cmdset_0002.c
- +++ b/drivers/mtd/chips/cfi_cmdset_0002.c
- @@ -40,7 +40,7 @@
- #include <linux/mtd/xip.h>
-
- #define AMD_BOOTLOC_BUG
- -#define FORCE_WORD_WRITE 0
- +#define FORCE_WORD_WRITE 1
-
- #define MAX_WORD_RETRIES 3
-
- @@ -51,7 +51,9 @@
-
- static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
- static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
- +#if !FORCE_WORD_WRITE
- static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
- +#endif
- static int cfi_amdstd_erase_chip(struct mtd_info *, struct erase_info *);
- static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *);
- static void cfi_amdstd_sync (struct mtd_info *);
- @@ -202,6 +204,7 @@ static void fixup_amd_bootblock(struct m
- }
- #endif
-
- +#if !FORCE_WORD_WRITE
- static void fixup_use_write_buffers(struct mtd_info *mtd)
- {
- struct map_info *map = mtd->priv;
- @@ -211,6 +214,7 @@ static void fixup_use_write_buffers(stru
- mtd->_write = cfi_amdstd_write_buffers;
- }
- }
- +#endif /* !FORCE_WORD_WRITE */
-
- /* Atmel chips don't use the same PRI format as AMD chips */
- static void fixup_convert_atmel_pri(struct mtd_info *mtd)
- @@ -1789,6 +1793,7 @@ static int cfi_amdstd_write_words(struct
- /*
- * FIXME: interleaved mode not tested, and probably not supported!
- */
- +#if !FORCE_WORD_WRITE
- static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
- unsigned long adr, const u_char *buf,
- int len)
- @@ -1917,7 +1922,6 @@ static int __xipram do_write_buffer(stru
- return ret;
- }
-
- -
- static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len,
- size_t *retlen, const u_char *buf)
- {
- @@ -1992,6 +1996,7 @@ static int cfi_amdstd_write_buffers(stru
-
- return 0;
- }
- +#endif /* !FORCE_WORD_WRITE */
-
- /*
- * Wait for the flash chip to become ready to write data
|
