ar71xx: move forcing of word write into a separate patch
SVN-Revision: 19187
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f9f827eac2
commit
8b78972577
2 changed files with 70 additions and 43 deletions
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@ -1,31 +1,6 @@
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--- a/drivers/mtd/chips/cfi_cmdset_0002.c
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--- a/drivers/mtd/chips/cfi_cmdset_0002.c
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+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
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+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
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@@ -39,7 +39,7 @@
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@@ -1152,8 +1152,8 @@ static int __xipram do_write_oneword(str
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#include <linux/mtd/xip.h>
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#define AMD_BOOTLOC_BUG
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-#define FORCE_WORD_WRITE 0
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+#define FORCE_WORD_WRITE 1
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#define MAX_WORD_RETRIES 3
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@@ -190,6 +190,7 @@ static void fixup_amd_bootblock(struct m
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}
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#endif
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+#if !FORCE_WORD_WRITE
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static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
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{
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struct map_info *map = mtd->priv;
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@@ -199,6 +200,7 @@ static void fixup_use_write_buffers(stru
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mtd->write = cfi_amdstd_write_buffers;
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}
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}
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+#endif
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/* Atmel chips don't use the same PRI format as AMD chips */
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static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
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@@ -1152,8 +1154,8 @@ static int __xipram do_write_oneword(str
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break;
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break;
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}
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}
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@ -36,7 +11,7 @@
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/* Latency issues. Drop the lock, wait a while and retry */
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/* Latency issues. Drop the lock, wait a while and retry */
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UDELAY(map, chip, adr, 1);
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UDELAY(map, chip, adr, 1);
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@@ -1169,6 +1171,8 @@ static int __xipram do_write_oneword(str
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@@ -1169,6 +1169,8 @@ static int __xipram do_write_oneword(str
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ret = -EIO;
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ret = -EIO;
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}
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}
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@ -45,24 +20,15 @@
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xip_enable(map, chip, adr);
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xip_enable(map, chip, adr);
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op_done:
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op_done:
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chip->state = FL_READY;
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chip->state = FL_READY;
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@@ -1436,6 +1440,7 @@ static int __xipram do_write_buffer(stru
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@@ -1515,7 +1517,6 @@ static int cfi_amdstd_write_buffers(stru
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}
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+#if !FORCE_WORD_WRITE
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static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len,
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size_t *retlen, const u_char *buf)
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{
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@@ -1514,7 +1519,7 @@ static int cfi_amdstd_write_buffers(stru
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return 0;
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return 0;
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}
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}
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-
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+#endif
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-
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/*
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/*
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* Handle devices with one erase region, that only implement
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* Handle devices with one erase region, that only implement
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@@ -1579,8 +1584,8 @@ static int __xipram do_erase_chip(struct
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* the chip erase command.
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@@ -1579,8 +1580,8 @@ static int __xipram do_erase_chip(struct
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chip->erase_suspended = 0;
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chip->erase_suspended = 0;
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}
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}
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@ -73,7 +39,7 @@
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if (time_after(jiffies, timeo)) {
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if (time_after(jiffies, timeo)) {
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printk(KERN_WARNING "MTD %s(): software timeout\n",
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printk(KERN_WARNING "MTD %s(): software timeout\n",
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@@ -1600,6 +1605,7 @@ static int __xipram do_erase_chip(struct
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@@ -1600,6 +1601,7 @@ static int __xipram do_erase_chip(struct
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ret = -EIO;
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ret = -EIO;
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}
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}
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@ -81,7 +47,7 @@
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chip->state = FL_READY;
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chip->state = FL_READY;
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xip_enable(map, chip, adr);
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xip_enable(map, chip, adr);
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put_chip(map, chip, adr);
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put_chip(map, chip, adr);
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@@ -1667,9 +1673,9 @@ static int __xipram do_erase_oneblock(st
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@@ -1667,9 +1669,9 @@ static int __xipram do_erase_oneblock(st
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chip->erase_suspended = 0;
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chip->erase_suspended = 0;
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}
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}
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@ -93,7 +59,7 @@
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}
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}
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if (time_after(jiffies, timeo)) {
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if (time_after(jiffies, timeo)) {
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@@ -1691,6 +1697,7 @@ static int __xipram do_erase_oneblock(st
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@@ -1691,6 +1693,7 @@ static int __xipram do_erase_oneblock(st
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ret = -EIO;
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ret = -EIO;
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}
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}
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@ -0,0 +1,61 @@
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--- a/drivers/mtd/chips/cfi_cmdset_0002.c
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+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
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@@ -39,7 +39,7 @@
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#include <linux/mtd/xip.h>
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#define AMD_BOOTLOC_BUG
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-#define FORCE_WORD_WRITE 0
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+#define FORCE_WORD_WRITE 1
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#define MAX_WORD_RETRIES 3
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@@ -55,7 +55,9 @@
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static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
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static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
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+#if !FORCE_WORD_WRITE
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static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
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+#endif
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static int cfi_amdstd_erase_chip(struct mtd_info *, struct erase_info *);
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static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *);
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static void cfi_amdstd_sync (struct mtd_info *);
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@@ -190,6 +192,7 @@ static void fixup_amd_bootblock(struct m
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}
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#endif
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+#if !FORCE_WORD_WRITE
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static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
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{
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struct map_info *map = mtd->priv;
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@@ -199,6 +202,7 @@ static void fixup_use_write_buffers(stru
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mtd->write = cfi_amdstd_write_buffers;
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}
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}
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+#endif /* !FORCE_WORD_WRITE */
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/* Atmel chips don't use the same PRI format as AMD chips */
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static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
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@@ -1326,6 +1330,7 @@ static int cfi_amdstd_write_words(struct
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/*
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* FIXME: interleaved mode not tested, and probably not supported!
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*/
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+#if !FORCE_WORD_WRITE
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static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
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unsigned long adr, const u_char *buf,
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int len)
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@@ -1437,7 +1442,6 @@ static int __xipram do_write_buffer(stru
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return ret;
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}
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-
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static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len,
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size_t *retlen, const u_char *buf)
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{
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@@ -1516,6 +1520,7 @@ static int cfi_amdstd_write_buffers(stru
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return 0;
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}
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+#endif /* !FORCE_WORD_WRITE */
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/*
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* Handle devices with one erase region, that only implement
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