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authorFelix Fietkau <nbd@openwrt.org>2016-03-07 16:33:34 +0000
committerFelix Fietkau <nbd@openwrt.org>2016-03-07 16:33:34 +0000
commitd041e8b44b042d373b0b474ee69caed840f9a541 (patch)
tree4255b83b60fd526a74b68b5b55cc0da54d3f7ab6 /target/linux/ramips/patches-4.4/0037-mtd-cfi-cmdset-0002-force-word-write.patch
parente559de239715f629edc90b9a0afa57cb918b56ca (diff)
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ramips: add linux 4.4 support, update mt7621 subtarget to 4.4
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48951
Diffstat (limited to 'target/linux/ramips/patches-4.4/0037-mtd-cfi-cmdset-0002-force-word-write.patch')
-rw-r--r--target/linux/ramips/patches-4.4/0037-mtd-cfi-cmdset-0002-force-word-write.patch70
1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.4/0037-mtd-cfi-cmdset-0002-force-word-write.patch b/target/linux/ramips/patches-4.4/0037-mtd-cfi-cmdset-0002-force-word-write.patch
new file mode 100644
index 0000000..8f274bc
--- /dev/null
+++ b/target/linux/ramips/patches-4.4/0037-mtd-cfi-cmdset-0002-force-word-write.patch
@@ -0,0 +1,70 @@
+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(-)
+
+--- 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)
+@@ -1789,6 +1793,7 @@ 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)
+@@ -1917,7 +1922,6 @@ 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)
+ {
+@@ -1992,6 +1996,7 @@ static int cfi_amdstd_write_buffers(stru
+
+ return 0;
+ }
++#endif /* !FORCE_WORD_WRITE */
+
+ /*
+ * Wait for the flash chip to become ready to write data