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

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Message-Id: <1436460234-61425-3-git-send-email-andriy.shevchenko@linux.intel.com>
Date:	Thu,  9 Jul 2015 19:43:50 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	linux-kernel@...r.kernel.org, Sascha Hauer <kernel@...gutronix.de>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Tero Kristo <t-kristo@...com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v4 2/6] clk: mmp: switch to GENMASK()

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.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

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