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-rw-r--r--target/linux/ar71xx/patches-4.9/403-mtd_fix_cfi_cmdset_0002_status_check.patch64
-rw-r--r--target/linux/ar71xx/patches-4.9/411-mtd-cfi_cmdset_0002-force-word-write.patch6
2 files changed, 67 insertions, 3 deletions
diff --git a/target/linux/ar71xx/patches-4.9/403-mtd_fix_cfi_cmdset_0002_status_check.patch b/target/linux/ar71xx/patches-4.9/403-mtd_fix_cfi_cmdset_0002_status_check.patch
new file mode 100644
index 0000000000..635e13d5ce
--- /dev/null
+++ b/target/linux/ar71xx/patches-4.9/403-mtd_fix_cfi_cmdset_0002_status_check.patch
@@ -0,0 +1,64 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1631,8 +1631,8 @@ static int __xipram do_write_oneword(str
+ break;
+ }
+
+- if (chip_ready(map, adr))
+- break;
++ if (chip_good(map, adr, datum))
++ goto enable_xip;
+
+ /* Latency issues. Drop the lock, wait a while and retry */
+ UDELAY(map, chip, adr, 1);
+@@ -1648,6 +1648,8 @@ static int __xipram do_write_oneword(str
+
+ ret = -EIO;
+ }
++
++ enable_xip:
+ xip_enable(map, chip, adr);
+ op_done:
+ if (mode == FL_OTP_WRITE)
+@@ -2226,7 +2228,6 @@ static int cfi_amdstd_panic_write(struct
+ return 0;
+ }
+
+-
+ /*
+ * Handle devices with one erase region, that only implement
+ * the chip erase command.
+@@ -2294,7 +2295,7 @@ static int __xipram do_erase_chip(struct
+ }
+
+ if (chip_good(map, adr, map_word_ff(map)))
+- break;
++ goto op_done;
+
+ if (time_after(jiffies, timeo)) {
+ printk(KERN_WARNING "MTD %s(): software timeout\n",
+@@ -2318,6 +2319,7 @@ static int __xipram do_erase_chip(struct
+ }
+ }
+
++ op_done:
+ chip->state = FL_READY;
+ xip_enable(map, chip, adr);
+ DISABLE_VPP(map);
+@@ -2391,7 +2393,7 @@ static int __xipram do_erase_oneblock(st
+
+ if (chip_good(map, adr, map_word_ff(map))) {
+ xip_enable(map, chip, adr);
+- break;
++ goto op_done;
+ }
+
+ if (time_after(jiffies, timeo)) {
+@@ -2417,6 +2419,7 @@ static int __xipram do_erase_oneblock(st
+ }
+ }
+
++ op_done:
+ chip->state = FL_READY;
+ DISABLE_VPP(map);
+ put_chip(map, chip, adr);
diff --git a/target/linux/ar71xx/patches-4.9/411-mtd-cfi_cmdset_0002-force-word-write.patch b/target/linux/ar71xx/patches-4.9/411-mtd-cfi_cmdset_0002-force-word-write.patch
index ddd69f17e1..aa708e01af 100644
--- a/target/linux/ar71xx/patches-4.9/411-mtd-cfi_cmdset_0002-force-word-write.patch
+++ b/target/linux/ar71xx/patches-4.9/411-mtd-cfi_cmdset_0002-force-word-write.patch
@@ -35,7 +35,7 @@
/* Atmel chips don't use the same PRI format as AMD chips */
static void fixup_convert_atmel_pri(struct mtd_info *mtd)
-@@ -1788,6 +1792,7 @@ static int cfi_amdstd_write_words(struct
+@@ -1790,6 +1794,7 @@ static int cfi_amdstd_write_words(struct
/*
* FIXME: interleaved mode not tested, and probably not supported!
*/
@@ -43,7 +43,7 @@
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(stru
+@@ -1918,7 +1923,6 @@ static int __xipram do_write_buffer(stru
return ret;
}
@@ -51,7 +51,7 @@
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(stru
+@@ -1993,6 +1997,7 @@ static int cfi_amdstd_write_buffers(stru
return 0;
}