linux-kernel - [PATCH] staging: sm750fb: Replace a bit shift by a use of BIT.

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Message-ID: <20170322024152.GA12064@arushi-HP-Pavilion-Notebook>
Date:   Wed, 22 Mar 2017 08:11:52 +0530
From:   Arushi Singhal <arushisinghal19971997@...il.com>
To:     sudipm.mukherjee@...il.com
Cc:     Teddy Wang <teddy.wang@...iconmotion.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-fbdev@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, outreachy-kernel@...glegroups.com
Subject: [PATCH] staging: sm750fb: Replace a bit shift by a use of BIT.

This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@

-1 << c
+BIT(c)

Signed-off-by: Arushi Singhal <arushisinghal19971997@...il.com>
---
 drivers/staging/sm750fb/ddk750_chip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c
index 5e4bfb601cea..112ee4182a0a 100644
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -44,7 +44,7 @@ static unsigned int get_mxclk_freq(void)
 	OD = (pll_reg & PLL_CTRL_OD_MASK) >> PLL_CTRL_OD_SHIFT;
 	POD = (pll_reg & PLL_CTRL_POD_MASK) >> PLL_CTRL_POD_SHIFT;
 
-	return DEFAULT_INPUT_CLOCK * M / N / (1 << OD) / (1 << POD);
+	return DEFAULT_INPUT_CLOCK * M / N / (BIT(OD)) / (BIT(POD));
 }
 
 /*
-- 
2.11.0