From ee9081b2726a5ca8cde5497afdc5425e21ff8f8b Mon Sep 17 00:00:00 2001 From: John Crispin 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(-) diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 60d960a..a663e3b 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -40,7 +40,7 @@ #include #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 mtd_info *mtd) } #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(struct mtd_info *mtd) 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 mtd_info *mtd, loff_t to, size_t len, /* * 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) @@ -1916,7 +1921,6 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, 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) { @@ -1991,6 +1995,7 @@ static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, return 0; } +#endif /* !FORCE_WORD_WRITE */ /* * Wait for the flash chip to become ready to write data -- 1.7.10.4