s5j/i2c: tidy up a bit

This commit removes code lines that are not in use, reducing binary
footprints as following:

             text   data    bss    dec    hex filename
    Before   3639    432     16   4087    ff7 s5j_i2c.o
    After    2819    272     16   3107    c23 s5j_i2c.o

Change-Id: Id193c425327dc80e4724773b9e7d51780ca81bc6
Signed-off-by: Junhwan Park <junhwan.park@samsung.com>

diff --git a/os/arch/arm/src/s5j/s5j_i2c.c b/os/arch/arm/src/s5j/s5j_i2c.c
index 2221fe0..97503f5 100644 (file)
--- a/os/arch/arm/src/s5j/s5j_i2c.c
+++ b/os/arch/arm/src/s5j/s5j_i2c.c
@@ -84,6 +84,7 @@
 #define S5J_DEFAULT_I2CSLAVE_ADDR      0x22
 #define S5J_DEFAULT_I2C_TIMEOUT                10000
 #define S5J_DEFAULT_HS_CLOCK           400000  /* 400Khz */
+#define S5J_DEFAULT_HS_CLOCK           400000                  /* 400Khz */
 
 /****************************************************************************
  * Private Types
@@ -286,7 +287,7 @@ static void hsi2c_calculate_timing(struct s5j_i2c_priv_s *priv, unsigned int nOp
 
        tFTL_CYCLE_SCL = (i2c_getreg32(priv, S5J_I2C_CONF) >> 16) & 0x7;
 
-       uTemp0 = (priv->clock / nOpClk) - (tFTL_CYCLE_SCL + 3) * 2;
+       uTemp0 = (float)(priv->clock / nOpClk) - (tFTL_CYCLE_SCL + 3) * 2;
 
        for (i = 0; i < 256; i++) {
                uTemp1 = ((int)uTemp0 + ((tFTL_CYCLE_SCL + 3) % (i + 1)) * 2) / (i + 1);