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ar71xx: move forcing of word write into a separate patch 

SVN-Revision: 19187
lede-17.01
Gabor Juhos 2010-01-17 14:33:32 +00:00
parent f9f827eac2
commit 8b78972577
2 changed files with 70 additions and 43 deletions
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52
target/linux/ar71xx/patches-2.6.30/108-mtd_fix_cfi_cmdset_0002_status_check.patch
View File

@ -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 <linux/mtd/xip.h>
#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;
}

61
target/linux/ar71xx/patches-2.6.30/111-mtd-cfi_cmdset_0002-force-word-write.patch Normal file
View File

@ -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 <linux/mtd/xip.h>
#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