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: Moshe Green <mgmoshes@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c
index 3a0afe1..839d673 100644 (file)
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -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;