diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c
index 2b231c28af16..a127eb2b4cbc 100644
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -51,7 +51,7 @@ static unsigned int get_mxclk_freq(void)
  *
  * Input: Frequency to be set.
  */
-static void setChipClock(unsigned int frequency)
+static void set_chip_clock(unsigned int frequency)
 {
 	struct pll_value pll;
 	unsigned int ulActualMxClk;
@@ -68,19 +68,19 @@ static void setChipClock(unsigned int frequency)
 		pll.clockType = MXCLK_PLL;
 
 		/*
-		* Call calcPllValue() to fill the other fields of PLL structure.
+		* Call calc_pll_value() to fill the other fields of PLL structure.
 		* Sometime, the chip cannot set up the exact clock
 		* required by the User.
-		* Return value of calcPllValue gives the actual possible clock.
+		* Return value of calc_pll_value gives the actual possible clock.
 		*/
-		ulActualMxClk = calcPllValue(frequency, &pll);
+		ulActualMxClk = calc_pll_value(frequency, &pll);
 
 		/* Master Clock Control: MXCLK_PLL */
-		POKE32(MXCLK_PLL_CTRL, formatPllReg(&pll));
+		POKE32(MXCLK_PLL_CTRL, format_pll_reg(&pll));
 	}
 }
 
-static void setMemoryClock(unsigned int frequency)
+static void set_memory_clock(unsigned int frequency)
 {
 	unsigned int reg, divisor;
 
@@ -119,7 +119,7 @@ static void setMemoryClock(unsigned int frequency)
 			break;
 		}
 
-		setCurrentGate(reg);
+		set_current_gate(reg);
 	}
 }
 
@@ -131,7 +131,7 @@ static void setMemoryClock(unsigned int frequency)
  * NOTE:
  *      The maximum frequency the engine can run is 168MHz.
  */
-static void setMasterClock(unsigned int frequency)
+static void set_master_clock(unsigned int frequency)
 {
 	unsigned int reg, divisor;
 
@@ -169,11 +169,11 @@ static void setMasterClock(unsigned int frequency)
 			break;
 		}
 
-		setCurrentGate(reg);
+		set_current_gate(reg);
 		}
 }
 
-unsigned int ddk750_getVMSize(void)
+unsigned int ddk750_get_vm_size(void)
 {
 	unsigned int reg;
 	unsigned int data;
@@ -205,18 +205,18 @@ unsigned int ddk750_getVMSize(void)
 	return data;
 }
 
-int ddk750_initHw(struct initchip_param *pInitParam)
+int ddk750_init_hw(struct initchip_param *pInitParam)
 {
 	unsigned int reg;
 
 	if (pInitParam->powerMode != 0)
 		pInitParam->powerMode = 0;
-	setPowerMode(pInitParam->powerMode);
+	set_power_mode(pInitParam->powerMode);
 
 	/* Enable display power gate & LOCALMEM power gate*/
 	reg = PEEK32(CURRENT_GATE);
 	reg |= (CURRENT_GATE_DISPLAY | CURRENT_GATE_LOCALMEM);
-	setCurrentGate(reg);
+	set_current_gate(reg);
 
 	if (sm750_get_chip_type() != SM750LE) {
 		/*	set panel pll and graphic mode via mmio_88 */
@@ -232,13 +232,13 @@ int ddk750_initHw(struct initchip_param *pInitParam)
 	}
 
 	/* Set the Main Chip Clock */
-	setChipClock(MHz((unsigned int)pInitParam->chipClock));
+	set_chip_clock(MHz((unsigned int)pInitParam->chipClock));
 
 	/* Set up memory clock. */
-	setMemoryClock(MHz(pInitParam->memClock));
+	set_memory_clock(MHz(pInitParam->memClock));
 
 	/* Set up master clock */
-	setMasterClock(MHz(pInitParam->masterClock));
+	set_master_clock(MHz(pInitParam->masterClock));
 
 
 	/* Reset the memory controller.
@@ -304,7 +304,7 @@ int ddk750_initHw(struct initchip_param *pInitParam)
  * M = {1,...,255}
  * N = {2,...,15}
  */
-unsigned int calcPllValue(unsigned int request_orig, struct pll_value *pll)
+unsigned int calc_pll_value(unsigned int request_orig, struct pll_value *pll)
 {
 	/* as sm750 register definition,
 	 * N located in 2,15 and M located in 1,255
@@ -372,7 +372,7 @@ unsigned int calcPllValue(unsigned int request_orig, struct pll_value *pll)
 	return ret;
 }
 
-unsigned int formatPllReg(struct pll_value *pPLL)
+unsigned int format_pll_reg(struct pll_value *pPLL)
 {
 #ifndef VALIDATION_CHIP
 	unsigned int POD = pPLL->POD;
diff --git a/drivers/staging/sm750fb/ddk750_chip.h b/drivers/staging/sm750fb/ddk750_chip.h
index 755aab1e5442..3b731b48bfb5 100644
--- a/drivers/staging/sm750fb/ddk750_chip.h
+++ b/drivers/staging/sm750fb/ddk750_chip.h
@@ -77,9 +77,9 @@ struct initchip_param {
 
 logical_chip_type_t sm750_get_chip_type(void);
 void sm750_set_chip_type(unsigned short devId, char revId);
-unsigned int calcPllValue(unsigned int request, struct  pll_value *pll);
-unsigned int formatPllReg(struct pll_value *pPLL);
-unsigned int ddk750_getVMSize(void);
-int ddk750_initHw(struct initchip_param *);
+unsigned int calc_pll_value(unsigned int request, struct  pll_value *pll);
+unsigned int format_pll_reg(struct pll_value *pPLL);
+unsigned int ddk750_get_vm_size(void);
+int ddk750_init_hw(struct initchip_param *);
 
 #endif
diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c
index 496491803a6b..b6af6f31e21c 100644
--- a/drivers/staging/sm750fb/ddk750_mode.c
+++ b/drivers/staging/sm750fb/ddk750_mode.c
@@ -80,7 +80,7 @@ static int programModeRegisters(mode_parameter_t *pModeParam,
 
 	if (pll->clockType == SECONDARY_PLL) {
 		/* programe secondary pixel clock */
-		POKE32(CRT_PLL_CTRL, formatPllReg(pll));
+		POKE32(CRT_PLL_CTRL, format_pll_reg(pll));
 		POKE32(CRT_HORIZONTAL_TOTAL,
 			(((pModeParam->horizontal_total - 1) <<
 				CRT_HORIZONTAL_TOTAL_TOTAL_SHIFT) &
@@ -130,7 +130,7 @@ static int programModeRegisters(mode_parameter_t *pModeParam,
 	} else if (pll->clockType == PRIMARY_PLL) {
 		unsigned int reserved;
 
-		POKE32(PANEL_PLL_CTRL, formatPllReg(pll));
+		POKE32(PANEL_PLL_CTRL, format_pll_reg(pll));
 
 		reg = ((pModeParam->horizontal_total - 1) <<
 			PANEL_HORIZONTAL_TOTAL_TOTAL_SHIFT) &
@@ -207,7 +207,7 @@ int ddk750_setModeTiming(mode_parameter_t *parm, clock_type_t clock)
 	pll.inputFreq = DEFAULT_INPUT_CLOCK;
 	pll.clockType = clock;
 
-	uiActualPixelClk = calcPllValue(parm->pixel_clock, &pll);
+	uiActualPixelClk = calc_pll_value(parm->pixel_clock, &pll);
 	if (sm750_get_chip_type() == SM750LE) {
 		/* set graphic mode via IO method */
 		outb_p(0x88, 0x3d4);
diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c
index 710106e35bcf..c9ea464e2a78 100644
--- a/drivers/staging/sm750fb/ddk750_power.c
+++ b/drivers/staging/sm750fb/ddk750_power.c
@@ -29,7 +29,7 @@ static unsigned int getPowerMode(void)
  * SM50x can operate in one of three modes: 0, 1 or Sleep.
  * On hardware reset, power mode 0 is default.
  */
-void setPowerMode(unsigned int powerMode)
+void set_power_mode(unsigned int powerMode)
 {
 	unsigned int control_value = 0;
 
@@ -72,7 +72,7 @@ void setPowerMode(unsigned int powerMode)
 	POKE32(POWER_MODE_CTRL, control_value);
 }
 
-void setCurrentGate(unsigned int gate)
+void set_current_gate(unsigned int gate)
 {
 	unsigned int gate_reg;
 	unsigned int mode;
@@ -111,7 +111,7 @@ void enable2DEngine(unsigned int enable)
 	else
 		gate &= ~(CURRENT_GATE_DE | CURRENT_GATE_CSC);
 
-	setCurrentGate(gate);
+	set_current_gate(gate);
 }
 
 void enableDMA(unsigned int enable)
@@ -125,7 +125,7 @@ void enableDMA(unsigned int enable)
 	else
 		gate &= ~CURRENT_GATE_DMA;
 
-	setCurrentGate(gate);
+	set_current_gate(gate);
 }
 
 /*
@@ -142,7 +142,7 @@ void enableGPIO(unsigned int enable)
 	else
 		gate &= ~CURRENT_GATE_GPIO;
 
-	setCurrentGate(gate);
+	set_current_gate(gate);
 }
 
 /*
@@ -159,7 +159,7 @@ void enableI2C(unsigned int enable)
 	else
 		gate &= ~CURRENT_GATE_I2C;
 
-	setCurrentGate(gate);
+	set_current_gate(gate);
 }
 
 
diff --git a/drivers/staging/sm750fb/ddk750_power.h b/drivers/staging/sm750fb/ddk750_power.h
index 5963691f9a68..ba0b3f5bfd9b 100644
--- a/drivers/staging/sm750fb/ddk750_power.h
+++ b/drivers/staging/sm750fb/ddk750_power.h
@@ -19,12 +19,12 @@ void ddk750_setDPMS(DPMS_t);
 /*
  * This function sets the current power mode
  */
-void setPowerMode(unsigned int powerMode);
+void set_power_mode(unsigned int powerMode);
 
 /*
  * This function sets current gate
  */
-void setCurrentGate(unsigned int gate);
+void set_current_gate(unsigned int gate);
 
 /*
  * This function enable/disable the 2D engine.
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index 61d2fdc41b52..d5508ba0e5ff 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -68,9 +68,9 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 	/* don't use pdev_resource[x].end - resource[x].start to
 	 * calculate the resource size, it's only the maximum available
 	 * size but not the actual size, using
-	 * @ddk750_getVMSize function can be safe.
+	 * @ddk750_get_vm_size function can be safe.
 	 */
-	sm750_dev->vidmem_size = ddk750_getVMSize();
+	sm750_dev->vidmem_size = ddk750_get_vm_size();
 	pr_info("video memory phyAddr = %lx, size = %u bytes\n",
 		sm750_dev->vidmem_start, sm750_dev->vidmem_size);
 
@@ -103,7 +103,7 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 	if (parm->master_clk == 0)
 		parm->master_clk = parm->chip_clk / 3;
 
-	ddk750_initHw((struct initchip_param *)&sm750_dev->initParm);
+	ddk750_init_hw((struct initchip_param *)&sm750_dev->initParm);
 	/* for sm718, open pci burst */
 	if (sm750_dev->devid == 0x718) {
 		POKE32(SYSTEM_CTRL,