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path: root/target/linux/ramips/patches-3.2/011-mtd-cfi_cmdset_0002-force-word-write.patch
blob: d2aa0858b936e888001bbf1abfac5ccd9db1662f (plain)
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--- 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
 
@@ -50,7 +50,9 @@
 
 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 *);
@@ -183,6 +185,7 @@ 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;
@@ -192,6 +195,7 @@ 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)
@@ -1372,6 +1376,7 @@ 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)
@@ -1483,7 +1488,6 @@ 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)
 {
@@ -1562,6 +1566,7 @@ static int cfi_amdstd_write_buffers(stru
 
 	return 0;
 }
+#endif /* !FORCE_WORD_WRITE */
 
 
 /*