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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-02-21 17:47:15 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-02-21 17:47:15 +0000
commit14ba941bf14ddb1d6b66a7fdbb583bb000c726c5 (patch)
treeb66e38d9adb7fc703bd859d53128f1466017e3c6 /target/linux/ar71xx/patches-3.8/403-mtd_fix_cfi_cmdset_0002_status_check.patch
parent14d8e68c1c33b29b1ee996b183684b4e3b471d2b (diff)
ar71xx: add support for 3.8
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35728 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/patches-3.8/403-mtd_fix_cfi_cmdset_0002_status_check.patch')
-rw-r--r--target/linux/ar71xx/patches-3.8/403-mtd_fix_cfi_cmdset_0002_status_check.patch69
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.8/403-mtd_fix_cfi_cmdset_0002_status_check.patch b/target/linux/ar71xx/patches-3.8/403-mtd_fix_cfi_cmdset_0002_status_check.patch
new file mode 100644
index 000000000..e569fe165
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.8/403-mtd_fix_cfi_cmdset_0002_status_check.patch
@@ -0,0 +1,69 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1288,8 +1288,8 @@ 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);
+@@ -1305,6 +1305,8 @@ static int __xipram do_write_oneword(str
+
+ ret = -EIO;
+ }
++
++ enable_xip:
+ xip_enable(map, chip, adr);
+ op_done:
+ chip->state = FL_READY;
+@@ -1875,7 +1877,6 @@ static int cfi_amdstd_panic_write(struct
+ return 0;
+ }
+
+-
+ /*
+ * Handle devices with one erase region, that only implement
+ * the chip erase command.
+@@ -1939,8 +1940,8 @@ static int __xipram do_erase_chip(struct
+ chip->erase_suspended = 0;
+ }
+
+- if (chip_ready(map, adr))
+- break;
++ if (chip_good(map, adr, map_word_ff(map)))
++ goto op_done;
+
+ if (time_after(jiffies, timeo)) {
+ printk(KERN_WARNING "MTD %s(): software timeout\n",
+@@ -1960,6 +1961,7 @@ static int __xipram do_erase_chip(struct
+ ret = -EIO;
+ }
+
++ op_done:
+ chip->state = FL_READY;
+ xip_enable(map, chip, adr);
+ DISABLE_VPP(map);
+@@ -2028,9 +2030,9 @@ static int __xipram do_erase_oneblock(st
+ chip->erase_suspended = 0;
+ }
+
+- if (chip_ready(map, adr)) {
++ if (chip_good(map, adr, map_word_ff(map))) {
+ xip_enable(map, chip, adr);
+- break;
++ goto op_done;
+ }
+
+ if (time_after(jiffies, timeo)) {
+@@ -2052,6 +2054,7 @@ static int __xipram do_erase_oneblock(st
+ ret = -EIO;
+ }
+
++ op_done:
+ chip->state = FL_READY;
+ DISABLE_VPP(map);
+ put_chip(map, chip, adr);