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openwrt-xburst/target/linux/ar71xx/patches-2.6.32/111-mtd-cfi_cmdset_0002-force-word-write.patch
jow a2736bb8fe [backfire] ar71xx: refresh patches
git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@23713 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-10-29 19:26:05 +00:00

62 lines
1.9 KiB
Diff

--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -39,7 +39,7 @@
#include <linux/mtd/xip.h>
#define AMD_BOOTLOC_BUG
-#define FORCE_WORD_WRITE 0
+#define FORCE_WORD_WRITE 1
#define MAX_WORD_RETRIES 3
@@ -54,7 +54,9 @@
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 *);
@@ -189,6 +191,7 @@ static void fixup_amd_bootblock(struct m
}
#endif
+#if !FORCE_WORD_WRITE
static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
{
struct map_info *map = mtd->priv;
@@ -198,6 +201,7 @@ 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, void *param)
@@ -1343,6 +1347,7 @@ 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)
@@ -1454,7 +1459,6 @@ 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)
{
@@ -1533,6 +1537,7 @@ static int cfi_amdstd_write_buffers(stru
return 0;
}
+#endif /* !FORCE_WORD_WRITE */
/*
* Handle devices with one erase region, that only implement