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authormb <mb@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-11-05 16:10:18 +0000
committermb <mb@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-11-05 16:10:18 +0000
commit3ac117e4b57ba5e49cd1a9269744a76c7a9b7032 (patch)
treefea182690b0eb61cb2f345ef2b664f5ba0b5144a /target/linux/omap24xx/patches-3.1/251-cbus-tahvo-lock-fix.patch
parent9ac8cd78024c129e75eb2579e49acb15b5cef76f (diff)
omap24xx: Add cbus tahvo locking fix.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28767 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/omap24xx/patches-3.1/251-cbus-tahvo-lock-fix.patch')
-rw-r--r--target/linux/omap24xx/patches-3.1/251-cbus-tahvo-lock-fix.patch14
1 files changed, 14 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.1/251-cbus-tahvo-lock-fix.patch b/target/linux/omap24xx/patches-3.1/251-cbus-tahvo-lock-fix.patch
new file mode 100644
index 000000000..ac3bd04a8
--- /dev/null
+++ b/target/linux/omap24xx/patches-3.1/251-cbus-tahvo-lock-fix.patch
@@ -0,0 +1,14 @@
+Index: linux-3.1/drivers/cbus/tahvo.c
+===================================================================
+--- linux-3.1.orig/drivers/cbus/tahvo.c 2011-11-05 17:03:39.598846119 +0100
++++ linux-3.1/drivers/cbus/tahvo.c 2011-11-05 17:04:36.274768324 +0100
+@@ -104,7 +104,9 @@ void tahvo_write_reg(struct device *chil
+ {
+ struct tahvo *tahvo = dev_get_drvdata(child->parent);
+
++ mutex_lock(&tahvo->mutex);
+ __tahvo_write_reg(tahvo, reg, val);
++ mutex_unlock(&tahvo->mutex);
+ }
+ EXPORT_SYMBOL(tahvo_write_reg);
+