spi: sprd: remove build warnings

Remove build warnings from sprd spi driver.

Change-Id: I59d195f8ff6b2d21d1c2ae7b7eb6fbcfabc5198b
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/arch/arm/include/asm/arch-sc8830/sprd_spi.h b/arch/arm/include/asm/arch-sc8830/sprd_spi.h
index aa6277f..d1b2bad 100644 (file)
--- a/arch/arm/include/asm/arch-sc8830/sprd_spi.h
+++ b/arch/arm/include/asm/arch-sc8830/sprd_spi.h
@@ -214,7 +214,7 @@ extern   "C"
        PUBLIC void SPI_SetRxLen(uint32 data_len, uint32 dummy_bitlen);\r
        PUBLIC void SPI_TxReq( void );\r
        PUBLIC void SPI_RxReq( void );\r
-       PUBLIC void SPI_WaitTxFinish();\r
+       PUBLIC void SPI_WaitTxFinish(void);\r
 \r
        PUBLIC void SPI_Init(SPI_INIT_PARM *spi_parm);\r
        PUBLIC void SPI_WriteData(uint32 data, uint32 data_len, uint32 dummy_bitlen);\r

diff --git a/drivers/spi/sprd_spi.c b/drivers/spi/sprd_spi.c
index 1fffaf7..6cbddfa 100644 (file)
--- a/drivers/spi/sprd_spi.c
+++ b/drivers/spi/sprd_spi.c
@@ -91,10 +91,10 @@ PUBLIC void SPI_Enable( uint32 spi_id, BOOLEAN is_en)
 \r
 PUBLIC void SPI_Reset( uint32 spi_id, uint32 ms)\r
 {\r
-       uint32 i = 0;\r
 #if defined(CONFIG_SC8830) || defined(CONFIG_SC9630)\r
-\r
 #else\r
+       uint32 i = 0;\r
+\r
        if(spi_id == 0)\r
        {\r
                *(volatile uint32 *)GR_SOFT_RST |= (1 << 14);\r
@@ -116,12 +116,6 @@ PUBLIC void SPI_Reset( uint32 spi_id, uint32 ms)
 #endif\r
 }\r
 \r
-\r
-LOCAL void SPI_PinConfig(void)\r
-{\r
-}\r
-\r
-\r
 // The dividend is clk_spiX_div[1:0] + 1\r
 PUBLIC void SPI_ClkSetting(uint32 spi_id, uint32 clk_src, uint32 clk_div)\r
 {\r
@@ -150,7 +144,6 @@ PUBLIC void SPI_ClkSetting(uint32 spi_id, uint32 clk_src, uint32 clk_div)
 PUBLIC void SPI_SetCsLow( uint32 spi_sel_csx , BOOLEAN is_low)\r
 {\r
        volatile SPI_CTL_REG_T *spi_ctr_ptr = (volatile SPI_CTL_REG_T*)(SPI_USED_BASE);\r
-       uint32 temp;\r
 \r
        if(is_low)     {\r
                //spi_ctl0[11:8]:cs3<->cs0 chip select, 0-selected;1-none\r
@@ -332,7 +325,6 @@ PUBLIC void SPI_Init(SPI_INIT_PARM *spi_parm)
 {\r
        volatile SPI_CTL_REG_T *spi_ctr_ptr = (volatile SPI_CTL_REG_T *)(SPI_USED_BASE);\r
        uint32 temp;\r
-       uint32 ctl0, ctl1, ctl2, ctl3;\r
 \r
        /*default clk is 500k 192M /(0xc0 * 2)*/\r
        spi_ctr_ptr->clkd =0xc0;\r
@@ -363,11 +355,11 @@ PUBLIC void SPI_Init(SPI_INIT_PARM *spi_parm)
 #endif\r
 }\r
 \r
-PUBLIC void SPI_WaitTxFinish()\r
+PUBLIC void SPI_WaitTxFinish(void)\r
 {\r
        volatile SPI_CTL_REG_T *spi_ctr_ptr = (volatile SPI_CTL_REG_T *)(SPI_USED_BASE);\r
 \r
-       while( !(spi_ctr_ptr->iraw)&BIT_8 ) // IS tx finish\r
+       while( !((spi_ctr_ptr->iraw)&BIT_8) ) // IS tx finish\r
        {\r
        }  \r
        spi_ctr_ptr->iclr |= BIT_8;\r
@@ -384,7 +376,6 @@ PUBLIC void SPI_WaitTxFinish()
 \r
 PUBLIC void SPI_WriteData(uint32 data, uint32 data_len, uint32 dummy_bitlen)\r
 {\r
-       uint32 command;\r
        volatile SPI_CTL_REG_T *spi_ctr_ptr = (volatile SPI_CTL_REG_T *)(SPI_USED_BASE);\r
 \r
        // The unit of data_len is identical with buswidth\r