summaryrefslogtreecommitdiffstats
path: root/target/linux/ar71xx/patches-3.7/403-mtd_fix_cfi_cmdset_0002_status_check.patch
diff options
context:
space:
mode:
authorGabor Juhos <juhosg@openwrt.org>2012-12-29 16:02:31 +0000
committerGabor Juhos <juhosg@openwrt.org>2012-12-29 16:02:31 +0000
commit87271e9f28796debd156da0b2466bc286ccbac0f (patch)
treef155ac33958d33a2f945aa9835c1e68a0d1619f4 /target/linux/ar71xx/patches-3.7/403-mtd_fix_cfi_cmdset_0002_status_check.patch
parenta3a6e0f0396714106c8942c89a55179213d85726 (diff)
downloadmaster-31e0f0ae-87271e9f28796debd156da0b2466bc286ccbac0f.tar.gz
master-31e0f0ae-87271e9f28796debd156da0b2466bc286ccbac0f.tar.bz2
master-31e0f0ae-87271e9f28796debd156da0b2466bc286ccbac0f.zip
ar71xx: add support for 3.7
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 34920
Diffstat (limited to 'target/linux/ar71xx/patches-3.7/403-mtd_fix_cfi_cmdset_0002_status_check.patch')
-rw-r--r--target/linux/ar71xx/patches-3.7/403-mtd_fix_cfi_cmdset_0002_status_check.patch69
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.7/403-mtd_fix_cfi_cmdset_0002_status_check.patch b/target/linux/ar71xx/patches-3.7/403-mtd_fix_cfi_cmdset_0002_status_check.patch
new file mode 100644
index 0000000000..2e4c85a022
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.7/403-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;
+@@ -1863,7 +1865,6 @@ static int cfi_amdstd_panic_write(struct
+ return 0;
+ }
+
+-
+ /*
+ * Handle devices with one erase region, that only implement
+ * the chip erase command.
+@@ -1927,8 +1928,8 @@ 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",
+@@ -1948,6 +1949,7 @@ static int __xipram do_erase_chip(struct
+ ret = -EIO;
+ }
+
++ op_done:
+ chip->state = FL_READY;
+ xip_enable(map, chip, adr);
+ DISABLE_VPP(map);
+@@ -2016,9 +2018,9 @@ 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)) {
+@@ -2040,6 +2042,7 @@ static int __xipram do_erase_oneblock(st
+ ret = -EIO;
+ }
+
++ op_done:
+ chip->state = FL_READY;
+ DISABLE_VPP(map);
+ put_chip(map, chip, adr);