linux-kernel - [PATCH] clk: meson: fix SET

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Message-Id: <20170228093016.5624-1-jbrunet@baylibre.com>
Date:   Tue, 28 Feb 2017 10:30:16 +0100
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>, linux-clk@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] clk: meson: fix SET_PARM macro

parameter val is not enclosed in parenthesis which is buggy when given an
expression instead of a simple value

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 drivers/clk/meson/clkc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h
index 9bb70e7a7d6a..c6be77dd8694 100644
--- a/drivers/clk/meson/clkc.h
+++ b/drivers/clk/meson/clkc.h
@@ -25,7 +25,7 @@
 #define PARM_GET(width, shift, reg)					\
 	(((reg) & SETPMASK(width, shift)) >> (shift))
 #define PARM_SET(width, shift, reg, val)				\
-	(((reg) & CLRPMASK(width, shift)) | (val << (shift)))
+	(((reg) & CLRPMASK(width, shift)) | ((val) << (shift)))
 
 #define MESON_PARM_APPLICABLE(p)		(!!((p)->width))
 
-- 
2.9.3