[PATCH v4 2/6] clk: mmp: switch to GENMASK()

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

Convert the code to use GENMASK() helper instead of custom approach.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/clk/mmp/clk-mix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c
index de6a873..3aad9c8 100644
--- a/drivers/clk/mmp/clk-mix.c
+++ b/drivers/clk/mmp/clk-mix.c
@@ -26,7 +26,7 @@
 
 static unsigned int _get_maxdiv(struct mmp_clk_mix *mix)
 {
-	unsigned int div_mask = (1 << mix->reg_info.width_div) - 1;
+	unsigned int div_mask = GENMASK(mix->reg_info.width_div - 1, 0);
 	unsigned int maxdiv = 0;
 	struct clk_div_table *clkt;
 
-- 
2.1.4