linux-kernel - [PATCH v4 6/6] ARM: imx: switch to GENMASK()

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Message-Id: <1436460234-61425-7-git-send-email-andriy.shevchenko@linux.intel.com>
Date:	Thu,  9 Jul 2015 19:43:54 +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 6/6] ARM: imx: switch to GENMASK()

Convert the code to use GENMASK() helper instead of div_mask() macro.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 arch/arm/mach-imx/clk-fixup-div.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-imx/clk-fixup-div.c b/arch/arm/mach-imx/clk-fixup-div.c
index 21db020..cd9a843 100644
--- a/arch/arm/mach-imx/clk-fixup-div.c
+++ b/arch/arm/mach-imx/clk-fixup-div.c
@@ -16,7 +16,6 @@
 #include "clk.h"
 
 #define to_clk_div(_hw) container_of(_hw, struct clk_divider, hw)
-#define div_mask(d)	((1 << (d->width)) - 1)
 
 /**
  * struct clk_fixup_div - imx integer fixup divider clock
@@ -70,13 +69,13 @@ static int clk_fixup_div_set_rate(struct clk_hw *hw, unsigned long rate,
 	/* Zero based divider */
 	value = divider - 1;
 
-	if (value > div_mask(div))
-		value = div_mask(div);
+	if (value > GENMASK(div->width - 1, 0))
+		value = GENMASK(div->width - 1, 0);
 
 	spin_lock_irqsave(div->lock, flags);
 
 	val = readl(div->reg);
-	val &= ~(div_mask(div) << div->shift);
+	val &= ~(GENMASK(div->width - 1, 0) << div->shift);
 	val |= value << div->shift;
 	fixup_div->fixup(&val);
 	writel(val, div->reg);
-- 
2.1.4

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