<linux/kernel.h> already has 'abs', use it instead of custom absDiff
Signed-off-by: Mike Rapoport <[email protected]>
---
drivers/staging/sm750fb/ddk750_chip.c | 3 ++-
drivers/staging/sm750fb/sm750_help.h | 8 --------
2 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/sm750fb/ddk750_chip.c
b/drivers/staging/sm750fb/ddk750_chip.c
index e53a3d1..02157f8 100644
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -1,3 +1,4 @@
+#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;
diff --git a/drivers/staging/sm750fb/sm750_help.h
b/drivers/staging/sm750fb/sm750_help.h
index c070cf2..ce94d29 100644
--- a/drivers/staging/sm750fb/sm750_help.h
+++ b/drivers/staging/sm750fb/sm750_help.h
@@ -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)
--
1.9.1
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