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Commit 42f8f218 authored by Moshe Green's avatar Moshe Green Committed by Greg Kroah-Hartman
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staging: sm750fb: replace roundedDiv with DIV_ROUND_CLOSEST 



Replace local implementation of rounded division (roundedDiv macro) with
the in-kernel implementation (DIV_ROUND_CLOSEST macro) in ddk750_chip.c

Signed-off-by: default avatarMoshe Green <mgmoshes@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 35e4d8ca

drivers/staging/sm750fb/ddk750_chip.c

+2 −4
Original line number Diff line number Diff line
@@ -6,8 +6,6 @@ 
#include "ddk750_chip.h"

#include "ddk750_power.h"



/* n / d + 1 / 2 = (2n + d) / 2d */

#define roundedDiv(num, denom)	((2 * (num) + (denom)) / (2 * (denom)))

#define MHz(x) ((x) * 1000000)



logical_chip_type_t sm750_get_chip_type(void)
@@ -102,7 +100,7 @@ static void setMemoryClock(unsigned int frequency) 
			frequency = MHz(336);



		/* Calculate the divisor */

		divisor = roundedDiv(get_mxclk_freq(), frequency);

		divisor = DIV_ROUND_CLOSEST(get_mxclk_freq(), frequency);



		/* Set the corresponding divisor in the register. */

		reg = PEEK32(CURRENT_GATE) & ~CURRENT_GATE_M2XCLK_MASK;
@@ -152,7 +150,7 @@ static void setMasterClock(unsigned int frequency) 
			frequency = MHz(190);



		/* Calculate the divisor */

		divisor = roundedDiv(get_mxclk_freq(), frequency);

		divisor = DIV_ROUND_CLOSEST(get_mxclk_freq(), frequency);



		/* Set the corresponding divisor in the register. */

		reg = PEEK32(CURRENT_GATE) & ~CURRENT_GATE_MCLK_MASK;