summaryrefslogtreecommitdiff
path: root/target/linux/ramips/patches-4.3/0037-mtd-cfi-cmdset-0002-force-word-write.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ramips/patches-4.3/0037-mtd-cfi-cmdset-0002-force-word-write.patch')
-rw-r--r--target/linux/ramips/patches-4.3/0037-mtd-cfi-cmdset-0002-force-word-write.patch75
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.3/0037-mtd-cfi-cmdset-0002-force-word-write.patch b/target/linux/ramips/patches-4.3/0037-mtd-cfi-cmdset-0002-force-word-write.patch
new file mode 100644
index 0000000..7c1ea22
--- /dev/null
+++ b/target/linux/ramips/patches-4.3/0037-mtd-cfi-cmdset-0002-force-word-write.patch
@@ -0,0 +1,75 @@
+From ee9081b2726a5ca8cde5497afdc5425e21ff8f8b Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+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 <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 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
+