1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-3.13/101-fix-off-by-one-masks.patch b/target/linux/sunxi/patches-3.13/101-fix-off-by-one-masks.patch
new file mode 100644
index 0000000000..4f04d54151
--- /dev/null
+++ b/target/linux/sunxi/patches-3.13/101-fix-off-by-one-masks.patch
@@ -0,0 +1,34 @@
+From b3cb099f8b0cbe56fcfbb4fb9c7cce48afff41f0 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Emilio=20L=C3=B3pez?= <emilio@elopez.com.ar>
+Date: Fri, 20 Sep 2013 22:03:10 -0300
+Subject: [PATCH] clk: sunxi: factors: fix off-by-one masks
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+The previous code would generate one bit too long masks, and was
+needlessly complicated. This patch replaces it by simpler code that can
+generate the masks correctly.
+
+Signed-off-by: Emilio López <emilio@elopez.com.ar>
+Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
+---
+ drivers/clk/sunxi/clk-factors.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c
+index 88523f9..5687ac9 100644
+--- a/drivers/clk/sunxi/clk-factors.c
++++ b/drivers/clk/sunxi/clk-factors.c
+@@ -40,7 +40,7 @@ struct clk_factors {
+ 
+ #define to_clk_factors(_hw) container_of(_hw, struct clk_factors, hw)
+ 
+-#define SETMASK(len, pos)		(((-1U) >> (31-len))  << (pos))
++#define SETMASK(len, pos)		(((1U << (len)) - 1) << (pos))
+ #define CLRMASK(len, pos)		(~(SETMASK(len, pos)))
+ #define FACTOR_GET(bit, len, reg)	(((reg) & SETMASK(len, bit)) >> (bit))
+ 
+-- 
+1.8.5.1
+