From 687ff8caaeddd969817ed834938152a1215ad95d Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sun, 17 Jan 2010 14:33:32 +0000 Subject: [PATCH] ar71xx: move forcing of word write into a separate patch SVN-Revision: 19187 --- ...mtd_fix_cfi_cmdset_0002_status_check.patch | 52 +++------------- ...mtd-cfi_cmdset_0002-force-word-write.patch | 61 +++++++++++++++++++ 2 files changed, 70 insertions(+), 43 deletions(-) create mode 100644 target/linux/ar71xx/patches-2.6.30/111-mtd-cfi_cmdset_0002-force-word-write.patch diff --git a/target/linux/ar71xx/patches-2.6.30/108-mtd_fix_cfi_cmdset_0002_status_check.patch b/target/linux/ar71xx/patches-2.6.30/108-mtd_fix_cfi_cmdset_0002_status_check.patch index d3e8b79568..2ddd0d3dd3 100644 --- a/target/linux/ar71xx/patches-2.6.30/108-mtd_fix_cfi_cmdset_0002_status_check.patch +++ b/target/linux/ar71xx/patches-2.6.30/108-mtd_fix_cfi_cmdset_0002_status_check.patch @@ -1,31 +1,6 @@ --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c -@@ -39,7 +39,7 @@ - #include - - #define AMD_BOOTLOC_BUG --#define FORCE_WORD_WRITE 0 -+#define FORCE_WORD_WRITE 1 - - #define MAX_WORD_RETRIES 3 - -@@ -190,6 +190,7 @@ 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; -@@ -199,6 +200,7 @@ static void fixup_use_write_buffers(stru - mtd->write = cfi_amdstd_write_buffers; - } - } -+#endif - - /* Atmel chips don't use the same PRI format as AMD chips */ - static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) -@@ -1152,8 +1154,8 @@ static int __xipram do_write_oneword(str +@@ -1152,8 +1152,8 @@ static int __xipram do_write_oneword(str break; } @@ -36,7 +11,7 @@ /* Latency issues. Drop the lock, wait a while and retry */ UDELAY(map, chip, adr, 1); -@@ -1169,6 +1171,8 @@ static int __xipram do_write_oneword(str +@@ -1169,6 +1169,8 @@ static int __xipram do_write_oneword(str ret = -EIO; } @@ -45,24 +20,15 @@ xip_enable(map, chip, adr); op_done: chip->state = FL_READY; -@@ -1436,6 +1440,7 @@ static int __xipram do_write_buffer(stru - } - - -+#if !FORCE_WORD_WRITE - static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf) - { -@@ -1514,7 +1519,7 @@ static int cfi_amdstd_write_buffers(stru - +@@ -1515,7 +1517,6 @@ static int cfi_amdstd_write_buffers(stru return 0; } -- -+#endif +- /* * Handle devices with one erase region, that only implement -@@ -1579,8 +1584,8 @@ static int __xipram do_erase_chip(struct + * the chip erase command. +@@ -1579,8 +1580,8 @@ static int __xipram do_erase_chip(struct chip->erase_suspended = 0; } @@ -73,7 +39,7 @@ if (time_after(jiffies, timeo)) { printk(KERN_WARNING "MTD %s(): software timeout\n", -@@ -1600,6 +1605,7 @@ static int __xipram do_erase_chip(struct +@@ -1600,6 +1601,7 @@ static int __xipram do_erase_chip(struct ret = -EIO; } @@ -81,7 +47,7 @@ chip->state = FL_READY; xip_enable(map, chip, adr); put_chip(map, chip, adr); -@@ -1667,9 +1673,9 @@ static int __xipram do_erase_oneblock(st +@@ -1667,9 +1669,9 @@ static int __xipram do_erase_oneblock(st chip->erase_suspended = 0; } @@ -93,7 +59,7 @@ } if (time_after(jiffies, timeo)) { -@@ -1691,6 +1697,7 @@ static int __xipram do_erase_oneblock(st +@@ -1691,6 +1693,7 @@ static int __xipram do_erase_oneblock(st ret = -EIO; } diff --git a/target/linux/ar71xx/patches-2.6.30/111-mtd-cfi_cmdset_0002-force-word-write.patch b/target/linux/ar71xx/patches-2.6.30/111-mtd-cfi_cmdset_0002-force-word-write.patch new file mode 100644 index 0000000000..8c966d272d --- /dev/null +++ b/target/linux/ar71xx/patches-2.6.30/111-mtd-cfi_cmdset_0002-force-word-write.patch @@ -0,0 +1,61 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -39,7 +39,7 @@ + #include + + #define AMD_BOOTLOC_BUG +-#define FORCE_WORD_WRITE 0 ++#define FORCE_WORD_WRITE 1 + + #define MAX_WORD_RETRIES 3 + +@@ -55,7 +55,9 @@ + + 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 *); +@@ -190,6 +192,7 @@ 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; +@@ -199,6 +202,7 @@ 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) +@@ -1326,6 +1330,7 @@ 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) +@@ -1437,7 +1442,6 @@ 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) + { +@@ -1516,6 +1520,7 @@ static int cfi_amdstd_write_buffers(stru + + return 0; + } ++#endif /* !FORCE_WORD_WRITE */ + + /* + * Handle devices with one erase region, that only implement -- 2.30.2