Commit e074da3f authored by Mike Rapoport's avatar Mike Rapoport Committed by Greg Kroah-Hartman
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staging: sm750fb: replace absDiff with kernel standard abs macro 



<linux/kernel.h> already has 'abs', use it instead of custom absDiff

Signed-off-by: default avatarMike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0d5d733b

drivers/staging/sm750fb/ddk750_chip.c

+2 −1
Original line number Diff line number Diff line 
#include <linux/kernel.h>

#include <linux/sizes.h>



#include "ddk750_help.h"
@@ -335,7 +336,7 @@ unsigned int calcPllValue(unsigned int request_orig, pll_value_t *pll) 
				unsigned int diff;



				tmpClock = pll->inputFreq * M / N / X;

				diff = absDiff(tmpClock, request_orig);

				diff = abs(tmpClock - request_orig);

				if (diff < mini_diff) {

					pll->M = M;

					pll->N = N;

drivers/staging/sm750fb/sm750_help.h

+0 −8
Original line number Diff line number Diff line
@@ -38,14 +38,6 @@ 
#define FIELD_SIZE(field)               (1 + FIELD_END(field) - FIELD_START(field))

#define FIELD_MASK(field)               (((1 << (FIELD_SIZE(field)-1)) | ((1 << (FIELD_SIZE(field)-1)) - 1)) << FIELD_START(field))



static inline unsigned int absDiff(unsigned int a, unsigned int b)

{

	if (a < b)

		return b-a;

	else

		return a-b;

}



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

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

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