staging: clocking-wizard: Contain macro argument in parenthesis

A macro doing some arithmetic to calculate a register offset, did not
contain an argument to the macro in parentheses, potentially leading to
unexpected results when using that macro with arithmetic expressions as
argument.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
index b8d89525bffdd4b986c3c8284ffb5797be11ef16..7202d8e889aab9a427dd20a411015c7704d3d6da 100644 (file)
--- a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
+++ b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c
@@ -29,7 +29,7 @@
 #define WZRD_NUM_OUTPUTS       7
 #define WZRD_ACLK_MAX_FREQ     250000000UL
 
-#define WZRD_CLK_CFG_REG(n)    (0x200 + 4 * n)
+#define WZRD_CLK_CFG_REG(n)    (0x200 + 4 * (n))
 
 #define WZRD_CLkOUT0_FRAC_EN   BIT(18)
 #define WZRD_CLkFBOUT_FRAC_EN  BIT(26)