openwrtv3/target/linux/ar71xx/patches-4.4/411-mtd-cfi_cmdset_0002-force-word-write.patch
Felix Fietkau 2530640f07 ar71xx: add support for linux 4.4
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48563
2016-01-30 13:19:53 +00:00

61 lines
1.9 KiB
Diff

--- 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)
@@ -1791,6 +1795,7 @@ 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)
@@ -1919,7 +1924,6 @@ 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)
{
@@ -1994,6 +1998,7 @@ static int cfi_amdstd_write_buffers(stru
return 0;
}
+#endif /* !FORCE_WORD_WRITE */
/*
* Wait for the flash chip to become ready to write data