ramips: add ralink v3.10 support
[openwrt.git] / target / linux / ramips / patches-3.10 / 0033-mtd-cfi-cmdset-0002-force-word-write.patch
diff --git a/target/linux/ramips/patches-3.10/0033-mtd-cfi-cmdset-0002-force-word-write.patch b/target/linux/ramips/patches-3.10/0033-mtd-cfi-cmdset-0002-force-word-write.patch
new file mode 100644 (file)
index 0000000..62fc1cd
--- /dev/null
@@ -0,0 +1,75 @@
+From d5b094ea6d435817d295d554d652a97a5014c64f Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 15 Jul 2013 00:39:21 +0200
+Subject: [PATCH 33/33] 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 ab8eb03..d84668d 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -41,7 +41,7 @@
+ #include <linux/mtd/xip.h>
+ #define AMD_BOOTLOC_BUG
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+ #define MAX_WORD_RETRIES 3
+@@ -52,7 +52,9 @@
+ 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 *);
+@@ -192,6 +194,7 @@ 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;
+@@ -201,6 +204,7 @@ 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)
+@@ -1461,6 +1465,7 @@ 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)
+@@ -1584,7 +1589,6 @@ 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)
+ {
+@@ -1659,6 +1663,7 @@ 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
+