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* [PATCH v2] Cleared out formatting warnings/errors for drivers/staging/sm750fb
@ 2025-08-15 18:51 Willem Grant
  0 siblings, 0 replies; only message in thread
From: Willem Grant @ 2025-08-15 18:51 UTC (permalink / raw)
  To: linux-fbdev; +Cc: Willem Grant

Signed-off-by: Willem Grant <willemgrant@mailfence.com>
---
 drivers/staging/sm750fb/sm750.c       |  55 +++++-----
 drivers/staging/sm750fb/sm750.h       |  20 ++--
 drivers/staging/sm750fb/sm750_accel.c | 148 +++++++++++++-------------
 drivers/staging/sm750fb/sm750_accel.h |  42 ++++----
 drivers/staging/sm750fb/sm750_hw.c    |  28 ++---
 5 files changed, 149 insertions(+), 144 deletions(-)

diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index 3659af7e519d..3d0896941943 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -121,8 +121,8 @@ static int lynxfb_ops_cursor(struct fb_info *info, struct fb_cursor *fbcursor)
 	sm750_hw_cursor_disable(cursor);
 	if (fbcursor->set & FB_CUR_SETSIZE)
 		sm750_hw_cursor_set_size(cursor,
-					fbcursor->image.width,
-					fbcursor->image.height);
+					 fbcursor->image.width,
+					 fbcursor->image.height);

 	if (fbcursor->set & FB_CUR_SETPOS)
 		sm750_hw_cursor_set_pos(cursor,
@@ -537,8 +537,13 @@ static int lynxfb_ops_setcolreg(unsigned int regno,
 		return -EINVAL;
 	}

-	if (info->var.grayscale)
-		red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
+	if (info->var.grayscale) {
+		int gray = (red * 77 + green * 151 + blue * 28) >> 8;
+
+		red = gray;
+		green = gray;
+		blue = gray;
+	}

 	if (var->bits_per_pixel == 8 &&
 	    info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
@@ -619,27 +624,27 @@ static int sm750fb_set_drv(struct lynxfb_par *par)
 		output->paths = sm750_pnc;
 		crtc->channel = sm750_primary;
 		crtc->o_screen = 0;
-		crtc->v_screen = sm750_dev->pvMem;
+		crtc->v_screen = sm750_dev->pv_mem;
 		pr_info("use simul primary mode\n");
 		break;
 	case sm750_simul_sec:
 		output->paths = sm750_pnc;
 		crtc->channel = sm750_secondary;
 		crtc->o_screen = 0;
-		crtc->v_screen = sm750_dev->pvMem;
+		crtc->v_screen = sm750_dev->pv_mem;
 		break;
 	case sm750_dual_normal:
 		if (par->index == 0) {
 			output->paths = sm750_panel;
 			crtc->channel = sm750_primary;
 			crtc->o_screen = 0;
-			crtc->v_screen = sm750_dev->pvMem;
+			crtc->v_screen = sm750_dev->pv_mem;
 		} else {
 			output->paths = sm750_crt;
 			crtc->channel = sm750_secondary;
 			/* not consider of padding stuffs for o_screen,need fix */
 			crtc->o_screen = sm750_dev->vidmem_size >> 1;
-			crtc->v_screen = sm750_dev->pvMem + crtc->o_screen;
+			crtc->v_screen = sm750_dev->pv_mem + crtc->o_screen;
 		}
 		break;
 	case sm750_dual_swap:
@@ -647,7 +652,7 @@ static int sm750fb_set_drv(struct lynxfb_par *par)
 			output->paths = sm750_panel;
 			crtc->channel = sm750_secondary;
 			crtc->o_screen = 0;
-			crtc->v_screen = sm750_dev->pvMem;
+			crtc->v_screen = sm750_dev->pv_mem;
 		} else {
 			output->paths = sm750_crt;
 			crtc->channel = sm750_primary;
@@ -655,7 +660,7 @@ static int sm750fb_set_drv(struct lynxfb_par *par)
 			 * need fix
 			 */
 			crtc->o_screen = sm750_dev->vidmem_size >> 1;
-			crtc->v_screen = sm750_dev->pvMem + crtc->o_screen;
+			crtc->v_screen = sm750_dev->pv_mem + crtc->o_screen;
 		}
 		break;
 	default:
@@ -735,7 +740,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 		"kernel HELPERS prepared vesa_modes",
 	};

-	static const char *fixId[2] = {
+	static const char *fix_id[2] = {
 		"sm750_fb1", "sm750_fb2",
 	};

@@ -759,14 +764,14 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 	 * must be set after crtc member initialized
 	 */
 	crtc->cursor.offset = crtc->o_screen + crtc->vidmem_size - 1024;
-	crtc->cursor.mmio = sm750_dev->pvReg +
+	crtc->cursor.mmio = sm750_dev->pv_reg +
 		0x800f0 + (int)crtc->channel * 0x140;

 	pr_info("crtc->cursor.mmio = %p\n", crtc->cursor.mmio);
 	crtc->cursor.max_h = 64;
 	crtc->cursor.max_w = 64;
 	crtc->cursor.size = crtc->cursor.max_h * crtc->cursor.max_w * 2 / 8;
-	crtc->cursor.vstart = sm750_dev->pvMem + crtc->cursor.offset;
+	crtc->cursor.vstart = sm750_dev->pv_mem + crtc->cursor.offset;

 	memset_io(crtc->cursor.vstart, 0, crtc->cursor.size);
 	if (!g_hwcursor)
@@ -857,7 +862,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 	fix->ywrapstep = crtc->ywrapstep;
 	fix->accel = FB_ACCEL_SMI;

-	strscpy(fix->id, fixId[index], sizeof(fix->id));
+	strscpy(fix->id, fix_id[index], sizeof(fix->id));

 	fix->smem_start = crtc->o_screen + sm750_dev->vidmem_start;
 	pr_info("fix->smem_start = %lx\n", fix->smem_start);
@@ -913,12 +918,12 @@ static void sm750fb_setup(struct sm750_dev *sm750_dev, char *src)

 	swap = 0;

-	sm750_dev->initParm.chip_clk = 0;
-	sm750_dev->initParm.mem_clk = 0;
-	sm750_dev->initParm.master_clk = 0;
-	sm750_dev->initParm.powerMode = 0;
-	sm750_dev->initParm.setAllEngOff = 0;
-	sm750_dev->initParm.resetMemory = 1;
+	sm750_dev->init_parm.chip_clk = 0;
+	sm750_dev->init_parm.mem_clk = 0;
+	sm750_dev->init_parm.master_clk = 0;
+	sm750_dev->init_parm.power_mode = 0;
+	sm750_dev->init_parm.set_all_eng_off = 0;
+	sm750_dev->init_parm.reset_memory = 1;

 	/* defaultly turn g_hwcursor on for both view */
 	g_hwcursor = 3;
@@ -937,9 +942,9 @@ static void sm750fb_setup(struct sm750_dev *sm750_dev, char *src)
 		} else if (!strncmp(opt, "nocrt", strlen("nocrt"))) {
 			sm750_dev->nocrt = 1;
 		} else if (!strncmp(opt, "36bit", strlen("36bit"))) {
-			sm750_dev->pnltype = sm750_doubleTFT;
+			sm750_dev->pnltype = sm750_double_tft;
 		} else if (!strncmp(opt, "18bit", strlen("18bit"))) {
-			sm750_dev->pnltype = sm750_dualTFT;
+			sm750_dev->pnltype = sm750_dual_tft;
 		} else if (!strncmp(opt, "24bit", strlen("24bit"))) {
 			sm750_dev->pnltype = sm750_24TFT;
 		} else if (!strncmp(opt, "nohwc0", strlen("nohwc0"))) {
@@ -1085,7 +1090,7 @@ static int lynxfb_pci_probe(struct pci_dev *pdev,
 		sm750_dev->mtrr.vram = arch_phys_wc_add(sm750_dev->vidmem_start,
 							sm750_dev->vidmem_size);

-	memset_io(sm750_dev->pvMem, 0, sm750_dev->vidmem_size);
+	memset_io(sm750_dev->pv_mem, 0, sm750_dev->vidmem_size);

 	pci_set_drvdata(pdev, sm750_dev);

@@ -1116,8 +1121,8 @@ static void lynxfb_pci_remove(struct pci_dev *pdev)
 	sm750fb_framebuffer_release(sm750_dev);
 	arch_phys_wc_del(sm750_dev->mtrr.vram);

-	iounmap(sm750_dev->pvReg);
-	iounmap(sm750_dev->pvMem);
+	iounmap(sm750_dev->pv_reg);
+	iounmap(sm750_dev->pv_mem);
 	kfree(g_settings);
 }

diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h
index d7f40efe3a2c..866353796b86 100644
--- a/drivers/staging/sm750fb/sm750.h
+++ b/drivers/staging/sm750fb/sm750.h
@@ -14,8 +14,8 @@

 enum sm750_pnltype {
 	sm750_24TFT = 0,	/* 24bit tft */
-	sm750_dualTFT = 2,	/* dual 18 bit tft */
-	sm750_doubleTFT = 1,	/* 36 bit double pixel tft */
+	sm750_dual_tft = 2,	/* dual 18 bit tft */
+	sm750_double_tft = 1,	/* 36 bit double pixel tft */
 };

 /* vga channel is not concerned  */
@@ -39,20 +39,20 @@ enum sm750_path {
 };

 struct init_status {
-	ushort powerMode;
+	ushort power_mode;
 	/* below three clocks are in unit of MHZ*/
 	ushort chip_clk;
 	ushort mem_clk;
 	ushort master_clk;
-	ushort setAllEngOff;
-	ushort resetMemory;
+	ushort set_all_eng_off;
+	ushort reset_memory;
 };

 struct lynx_accel {
 	/* base virtual address of DPR registers */
-	volatile unsigned char __iomem *dprBase;
+	volatile unsigned char __iomem *dpr_base;
 	/* base virtual address of de data port */
-	volatile unsigned char __iomem *dpPortBase;
+	volatile unsigned char __iomem *dp_port_base;

 	/* function pointers */
 	void (*de_init)(struct lynx_accel *accel);
@@ -97,12 +97,12 @@ struct sm750_dev {
 	unsigned long vidreg_start;
 	__u32 vidmem_size;
 	__u32 vidreg_size;
-	void __iomem *pvReg;
-	unsigned char __iomem *pvMem;
+	void __iomem *pv_reg;
+	unsigned char __iomem *pv_mem;
 	/* locks*/
 	spinlock_t slock;

-	struct init_status initParm;
+	struct init_status init_parm;
 	enum sm750_pnltype pnltype;
 	enum sm750_dataflow dataflow;
 	int nocrt;
diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c
index 44b9e3fe3a41..b02b7b06d49c 100644
--- a/drivers/staging/sm750fb/sm750_accel.c
+++ b/drivers/staging/sm750fb/sm750_accel.c
@@ -17,19 +17,19 @@

 #include "sm750.h"
 #include "sm750_accel.h"
-static inline void write_dpr(struct lynx_accel *accel, int offset, u32 regValue)
+static inline void write_dpr(struct lynx_accel *accel, int offset, u32 reg_value)
 {
-	writel(regValue, accel->dprBase + offset);
+	writel(reg_value, accel->dpr_base + offset);
 }

 static inline u32 read_dpr(struct lynx_accel *accel, int offset)
 {
-	return readl(accel->dprBase + offset);
+	return readl(accel->dpr_base + offset);
 }

-static inline void write_dpPort(struct lynx_accel *accel, u32 data)
+static inline void write_dp_port(struct lynx_accel *accel, u32 data)
 {
-	writel(data, accel->dpPortBase);
+	writel(data, accel->dp_port_base);
 }

 void sm750_hw_de_init(struct lynx_accel *accel)
@@ -85,11 +85,11 @@ void sm750_hw_set2dformat(struct lynx_accel *accel, int fmt)
 }

 int sm750_hw_fillrect(struct lynx_accel *accel,
-		      u32 base, u32 pitch, u32 Bpp,
+		      u32 base, u32 pitch, u32 bpp,
 		      u32 x, u32 y, u32 width, u32 height,
 		      u32 color, u32 rop)
 {
-	u32 deCtrl;
+	u32 de_ctrl;

 	if (accel->de_wait() != 0) {
 		/*
@@ -102,14 +102,14 @@ int sm750_hw_fillrect(struct lynx_accel *accel,

 	write_dpr(accel, DE_WINDOW_DESTINATION_BASE, base); /* dpr40 */
 	write_dpr(accel, DE_PITCH,
-		  ((pitch / Bpp << DE_PITCH_DESTINATION_SHIFT) &
+		  ((pitch / bpp << DE_PITCH_DESTINATION_SHIFT) &
 		   DE_PITCH_DESTINATION_MASK) |
-		  (pitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */
+		  (pitch / bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */

 	write_dpr(accel, DE_WINDOW_WIDTH,
-		  ((pitch / Bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
+		  ((pitch / bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
 		   DE_WINDOW_WIDTH_DST_MASK) |
-		   (pitch / Bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr44 */
+		   (pitch / bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr44 */

 	write_dpr(accel, DE_FOREGROUND, color); /* DPR14 */

@@ -121,24 +121,24 @@ int sm750_hw_fillrect(struct lynx_accel *accel,
 		  ((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
 		  (height & DE_DIMENSION_Y_ET_MASK)); /* dpr8 */

-	deCtrl = DE_CONTROL_STATUS | DE_CONTROL_LAST_PIXEL |
+	de_ctrl = DE_CONTROL_STATUS | DE_CONTROL_LAST_PIXEL |
 		DE_CONTROL_COMMAND_RECTANGLE_FILL | DE_CONTROL_ROP_SELECT |
 		(rop & DE_CONTROL_ROP_MASK); /* dpr0xc */

-	write_dpr(accel, DE_CONTROL, deCtrl);
+	write_dpr(accel, DE_CONTROL, de_ctrl);
 	return 0;
 }

 /**
  * sm750_hw_copyarea
  * @accel: Acceleration device data
- * @sBase: Address of source: offset in frame buffer
- * @sPitch: Pitch value of source surface in BYTE
+ * @s_base: Address of source: offset in frame buffer
+ * @s_pitch: Pitch value of source surface in BYTE
  * @sx: Starting x coordinate of source surface
  * @sy: Starting y coordinate of source surface
- * @dBase: Address of destination: offset in frame buffer
- * @dPitch: Pitch value of destination surface in BYTE
- * @Bpp: Color depth of destination surface
+ * @d_base: Address of destination: offset in frame buffer
+ * @d_pitch: Pitch value of destination surface in BYTE
+ * @bpp: Color depth of destination surface
  * @dx: Starting x coordinate of destination surface
  * @dy: Starting y coordinate of destination surface
  * @width: width of rectangle in pixel value
@@ -146,21 +146,21 @@ int sm750_hw_fillrect(struct lynx_accel *accel,
  * @rop2: ROP value
  */
 int sm750_hw_copyarea(struct lynx_accel *accel,
-		      unsigned int sBase, unsigned int sPitch,
+		      unsigned int s_base, unsigned int s_pitch,
 		      unsigned int sx, unsigned int sy,
-		      unsigned int dBase, unsigned int dPitch,
-		      unsigned int Bpp, unsigned int dx, unsigned int dy,
+		      unsigned int d_base, unsigned int d_pitch,
+		      unsigned int bpp, unsigned int dx, unsigned int dy,
 		      unsigned int width, unsigned int height,
 		      unsigned int rop2)
 {
-	unsigned int nDirection, de_ctrl;
+	unsigned int n_direction, de_ctrl;

-	nDirection = LEFT_TO_RIGHT;
+	n_direction = LEFT_TO_RIGHT;
 	/* Direction of ROP2 operation: 1 = Left to Right, (-1) = Right to Left */
 	de_ctrl = 0;

 	/* If source and destination are the same surface, need to check for overlay cases */
-	if (sBase == dBase && sPitch == dPitch) {
+	if (s_base == d_base && s_pitch == d_pitch) {
 		/* Determine direction of operation */
 		if (sy < dy) {
 			/*  +----------+
@@ -173,7 +173,7 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 			 *	+----------+
 			 */

-			nDirection = BOTTOM_TO_TOP;
+			n_direction = BOTTOM_TO_TOP;
 		} else if (sy > dy) {
 			/*  +----------+
 			 *  |D         |
@@ -185,7 +185,7 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 			 *	+----------+
 			 */

-			nDirection = TOP_TO_BOTTOM;
+			n_direction = TOP_TO_BOTTOM;
 		} else {
 			/* sy == dy */

@@ -198,7 +198,7 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 				 * +------+---+------+
 				 */

-				nDirection = RIGHT_TO_LEFT;
+				n_direction = RIGHT_TO_LEFT;
 			} else {
 			/* sx > dx */

@@ -210,12 +210,12 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 				 * +------+---+------+
 				 */

-				nDirection = LEFT_TO_RIGHT;
+				n_direction = LEFT_TO_RIGHT;
 			}
 		}
 	}

-	if ((nDirection == BOTTOM_TO_TOP) || (nDirection == RIGHT_TO_LEFT)) {
+	if ((n_direction == BOTTOM_TO_TOP) || (n_direction == RIGHT_TO_LEFT)) {
 		sx += width - 1;
 		sy += height - 1;
 		dx += width - 1;
@@ -234,14 +234,14 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 	 * It is an address offset (128 bit aligned)
 	 * from the beginning of frame buffer.
 	 */
-	write_dpr(accel, DE_WINDOW_SOURCE_BASE, sBase); /* dpr40 */
+	write_dpr(accel, DE_WINDOW_SOURCE_BASE, s_base); /* dpr40 */

 	/*
 	 * 2D Destination Base.
 	 * It is an address offset (128 bit aligned)
 	 * from the beginning of frame buffer.
 	 */
-	write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase); /* dpr44 */
+	write_dpr(accel, DE_WINDOW_DESTINATION_BASE, d_base); /* dpr44 */

 	/*
 	 * Program pitch (distance between the 1st points of two adjacent lines).
@@ -249,9 +249,9 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 	 * pixel values. Need Byte to pixel conversion.
 	 */
 	write_dpr(accel, DE_PITCH,
-		  ((dPitch / Bpp << DE_PITCH_DESTINATION_SHIFT) &
+		  ((d_pitch / bpp << DE_PITCH_DESTINATION_SHIFT) &
 		   DE_PITCH_DESTINATION_MASK) |
-		  (sPitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */
+		  (s_pitch / bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */

 	/*
 	 * Screen Window width in Pixels.
@@ -259,9 +259,9 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 	 * for a given point.
 	 */
 	write_dpr(accel, DE_WINDOW_WIDTH,
-		  ((dPitch / Bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
+		  ((d_pitch / bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
 		   DE_WINDOW_WIDTH_DST_MASK) |
-		  (sPitch / Bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr3c */
+		  (s_pitch / bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr3c */

 	if (accel->de_wait() != 0)
 		return -1;
@@ -277,14 +277,14 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 		  (height & DE_DIMENSION_Y_ET_MASK)); /* dpr08 */

 	de_ctrl = (rop2 & DE_CONTROL_ROP_MASK) | DE_CONTROL_ROP_SELECT |
-		((nDirection == RIGHT_TO_LEFT) ? DE_CONTROL_DIRECTION : 0) |
+		((n_direction == RIGHT_TO_LEFT) ? DE_CONTROL_DIRECTION : 0) |
 		DE_CONTROL_COMMAND_BITBLT | DE_CONTROL_STATUS;
 	write_dpr(accel, DE_CONTROL, de_ctrl); /* dpr0c */

 	return 0;
 }

-static unsigned int deGetTransparency(struct lynx_accel *accel)
+static unsigned int de_get_transparency(struct lynx_accel *accel)
 {
 	unsigned int de_ctrl;

@@ -299,38 +299,38 @@ static unsigned int deGetTransparency(struct lynx_accel *accel)
 /**
  * sm750_hw_imageblit
  * @accel: Acceleration device data
- * @pSrcbuf: pointer to start of source buffer in system memory
- * @srcDelta: Pitch value (in bytes) of the source buffer, +ive means top down
+ * @p_srcbuf: pointer to start of source buffer in system memory
+ * @src_delta: Pitch value (in bytes) of the source buffer, +ive means top down
  *	      and -ive mean button up
- * @startBit: Mono data can start at any bit in a byte, this value should be
+ * @start_bit: Mono data can start at any bit in a byte, this value should be
  *	      0 to 7
- * @dBase: Address of destination: offset in frame buffer
- * @dPitch: Pitch value of destination surface in BYTE
- * @bytePerPixel: Color depth of destination surface
+ * @d_base: Address of destination: offset in frame buffer
+ * @d_pitch: Pitch value of destination surface in BYTE
+ * @byte_per_pixel: Color depth of destination surface
  * @dx: Starting x coordinate of destination surface
  * @dy: Starting y coordinate of destination surface
  * @width: width of rectangle in pixel value
  * @height: height of rectangle in pixel value
- * @fColor: Foreground color (corresponding to a 1 in the monochrome data
- * @bColor: Background color (corresponding to a 0 in the monochrome data
+ * @f_color: Foreground color (corresponding to a 1 in the monochrome data
+ * @b_color: Background color (corresponding to a 0 in the monochrome data
  * @rop2: ROP value
  */
-int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
-		       u32 srcDelta, u32 startBit, u32 dBase, u32 dPitch,
-		       u32 bytePerPixel, u32 dx, u32 dy, u32 width,
-		       u32 height, u32 fColor, u32 bColor, u32 rop2)
+int sm750_hw_imageblit(struct lynx_accel *accel, const char *p_srcbuf,
+		       u32 src_delta, u32 start_bit, u32 d_base, u32 d_pitch,
+		       u32 byte_per_pixel, u32 dx, u32 dy, u32 width,
+		       u32 height, u32 f_color, u32 b_color, u32 rop2)
 {
-	unsigned int ulBytesPerScan;
-	unsigned int ul4BytesPerScan;
-	unsigned int ulBytesRemain;
+	unsigned int ul_bytes_per_scan;
+	unsigned int ul_4bytes_per_scan;
+	unsigned int ul_bytes_remain;
 	unsigned int de_ctrl = 0;
-	unsigned char ajRemain[4];
+	unsigned char aj_remain[4];
 	int i, j;

-	startBit &= 7; /* Just make sure the start bit is within legal range */
-	ulBytesPerScan = (width + startBit + 7) / 8;
-	ul4BytesPerScan = ulBytesPerScan & ~3;
-	ulBytesRemain = ulBytesPerScan & 3;
+	start_bit &= 7; /* Just make sure the start bit is within legal range */
+	ul_bytes_per_scan = (width + start_bit + 7) / 8;
+	ul_4bytes_per_scan = ul_bytes_per_scan & ~3;
+	ul_bytes_remain = ul_bytes_per_scan & 3;

 	if (accel->de_wait() != 0)
 		return -1;
@@ -345,7 +345,7 @@ int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
 	 * It is an address offset (128 bit aligned)
 	 * from the beginning of frame buffer.
 	 */
-	write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase);
+	write_dpr(accel, DE_WINDOW_DESTINATION_BASE, d_base);

 	/*
 	 * Program pitch (distance between the 1st points of two adjacent
@@ -353,9 +353,9 @@ int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
 	 * register uses pixel values. Need Byte to pixel conversion.
 	 */
 	write_dpr(accel, DE_PITCH,
-		  ((dPitch / bytePerPixel << DE_PITCH_DESTINATION_SHIFT) &
+		  ((d_pitch / byte_per_pixel << DE_PITCH_DESTINATION_SHIFT) &
 		   DE_PITCH_DESTINATION_MASK) |
-		  (dPitch / bytePerPixel & DE_PITCH_SOURCE_MASK)); /* dpr10 */
+		  (d_pitch / byte_per_pixel & DE_PITCH_SOURCE_MASK)); /* dpr10 */

 	/*
 	 * Screen Window width in Pixels.
@@ -363,17 +363,17 @@ int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
 	 * in frame buffer for a given point.
 	 */
 	write_dpr(accel, DE_WINDOW_WIDTH,
-		  ((dPitch / bytePerPixel << DE_WINDOW_WIDTH_DST_SHIFT) &
+		  ((d_pitch / byte_per_pixel << DE_WINDOW_WIDTH_DST_SHIFT) &
 		   DE_WINDOW_WIDTH_DST_MASK) |
-		  (dPitch / bytePerPixel & DE_WINDOW_WIDTH_SRC_MASK));
+		  (d_pitch / byte_per_pixel & DE_WINDOW_WIDTH_SRC_MASK));

 	 /*
 	  * Note: For 2D Source in Host Write, only X_K1_MONO field is needed,
 	  * and Y_K2 field is not used.
-	  * For mono bitmap, use startBit for X_K1.
+	  * For mono bitmap, use start_bit for X_K1.
 	  */
 	write_dpr(accel, DE_SOURCE,
-		  (startBit << DE_SOURCE_X_K1_SHIFT) &
+		  (start_bit << DE_SOURCE_X_K1_SHIFT) &
 		  DE_SOURCE_X_K1_MONO_MASK); /* dpr00 */

 	write_dpr(accel, DE_DESTINATION,
@@ -384,28 +384,28 @@ int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
 		  ((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
 		  (height & DE_DIMENSION_Y_ET_MASK)); /* dpr08 */

-	write_dpr(accel, DE_FOREGROUND, fColor);
-	write_dpr(accel, DE_BACKGROUND, bColor);
+	write_dpr(accel, DE_FOREGROUND, f_color);
+	write_dpr(accel, DE_BACKGROUND, b_color);

 	de_ctrl = (rop2 & DE_CONTROL_ROP_MASK) |
 		DE_CONTROL_ROP_SELECT | DE_CONTROL_COMMAND_HOST_WRITE |
 		DE_CONTROL_HOST | DE_CONTROL_STATUS;

-	write_dpr(accel, DE_CONTROL, de_ctrl | deGetTransparency(accel));
+	write_dpr(accel, DE_CONTROL, de_ctrl | de_get_transparency(accel));

 	/* Write MONO data (line by line) to 2D Engine data port */
 	for (i = 0; i < height; i++) {
 		/* For each line, send the data in chunks of 4 bytes */
-		for (j = 0; j < (ul4BytesPerScan / 4); j++)
-			write_dpPort(accel, *(unsigned int *)(pSrcbuf + (j * 4)));
+		for (j = 0; j < (ul_4bytes_per_scan / 4); j++)
+			write_dp_port(accel, *(unsigned int *)(p_srcbuf + (j * 4)));

-		if (ulBytesRemain) {
-			memcpy(ajRemain, pSrcbuf + ul4BytesPerScan,
-			       ulBytesRemain);
-			write_dpPort(accel, *(unsigned int *)ajRemain);
+		if (ul_bytes_remain) {
+			memcpy(aj_remain, p_srcbuf + ul_4bytes_per_scan,
+			       ul_bytes_remain);
+			write_dp_port(accel, *(unsigned int *)aj_remain);
 		}

-		pSrcbuf += srcDelta;
+		p_srcbuf += src_delta;
 	}

 	return 0;
diff --git a/drivers/staging/sm750fb/sm750_accel.h b/drivers/staging/sm750fb/sm750_accel.h
index 2c79cb730a0a..dca5c14d2f8e 100644
--- a/drivers/staging/sm750fb/sm750_accel.h
+++ b/drivers/staging/sm750fb/sm750_accel.h
@@ -190,19 +190,19 @@ void sm750_hw_set2dformat(struct lynx_accel *accel, int fmt);
 void sm750_hw_de_init(struct lynx_accel *accel);

 int sm750_hw_fillrect(struct lynx_accel *accel,
-		      u32 base, u32 pitch, u32 Bpp,
+		      u32 base, u32 pitch, u32 bpp,
 		      u32 x, u32 y, u32 width, u32 height,
 		      u32 color, u32 rop);

 /**
  * sm750_hm_copyarea
- * @sBase: Address of source: offset in frame buffer
- * @sPitch: Pitch value of source surface in BYTE
+ * @s_base: Address of source: offset in frame buffer
+ * @s_pitch: Pitch value of source surface in BYTE
  * @sx: Starting x coordinate of source surface
  * @sy: Starting y coordinate of source surface
- * @dBase: Address of destination: offset in frame buffer
- * @dPitch: Pitch value of destination surface in BYTE
- * @Bpp: Color depth of destination surface
+ * @d_base: Address of destination: offset in frame buffer
+ * @d_pitch: Pitch value of destination surface in BYTE
+ * @bpp: Color depth of destination surface
  * @dx: Starting x coordinate of destination surface
  * @dy: Starting y coordinate of destination surface
  * @width: width of rectangle in pixel value
@@ -210,34 +210,34 @@ int sm750_hw_fillrect(struct lynx_accel *accel,
  * @rop2: ROP value
  */
 int sm750_hw_copyarea(struct lynx_accel *accel,
-		      unsigned int sBase, unsigned int sPitch,
+		      unsigned int s_base, unsigned int s_pitch,
 		      unsigned int sx, unsigned int sy,
-		      unsigned int dBase, unsigned int dPitch,
-		      unsigned int Bpp, unsigned int dx, unsigned int dy,
+		      unsigned int d_base, unsigned int d_pitch,
+		      unsigned int bpp, unsigned int dx, unsigned int dy,
 		      unsigned int width, unsigned int height,
 		      unsigned int rop2);

 /**
  * sm750_hw_imageblit
- * @pSrcbuf: pointer to start of source buffer in system memory
- * @srcDelta: Pitch value (in bytes) of the source buffer, +ive means top down
+ * @p_srcbuf: pointer to start of source buffer in system memory
+ * @src_delta: Pitch value (in bytes) of the source buffer, +ive means top down
  *>-----      and -ive mean button up
- * @startBit: Mono data can start at any bit in a byte, this value should be
+ * @start_bit: Mono data can start at any bit in a byte, this value should be
  *>-----      0 to 7
- * @dBase: Address of destination: offset in frame buffer
- * @dPitch: Pitch value of destination surface in BYTE
- * @bytePerPixel: Color depth of destination surface
+ * @d_base: Address of destination: offset in frame buffer
+ * @d_pitch: Pitch value of destination surface in BYTE
+ * @byte_per_pixel: Color depth of destination surface
  * @dx: Starting x coordinate of destination surface
  * @dy: Starting y coordinate of destination surface
  * @width: width of rectangle in pixel value
  * @height: height of rectangle in pixel value
- * @fColor: Foreground color (corresponding to a 1 in the monochrome data
- * @bColor: Background color (corresponding to a 0 in the monochrome data
+ * @f_color: Foreground color (corresponding to a 1 in the monochrome data
+ * @b_color: Background color (corresponding to a 0 in the monochrome data
  * @rop2: ROP value
  */
-int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
-		       u32 srcDelta, u32 startBit, u32 dBase, u32 dPitch,
-		       u32 bytePerPixel, u32 dx, u32 dy, u32 width,
-		       u32 height, u32 fColor, u32 bColor, u32 rop2);
+int sm750_hw_imageblit(struct lynx_accel *accel, const char *p_srcbuf,
+		       u32 src_delta, u32 start_bit, u32 d_base, u32 d_pitch,
+		       u32 byte_per_pixel, u32 dx, u32 dy, u32 width,
+		       u32 height, u32 f_color, u32 b_color, u32 rop2);

 #endif
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index 7119b67efe11..9e69f3387e08 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -49,19 +49,19 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 	}

 	/* now map mmio and vidmem */
-	sm750_dev->pvReg =
+	sm750_dev->pv_reg =
 		ioremap(sm750_dev->vidreg_start, sm750_dev->vidreg_size);
-	if (!sm750_dev->pvReg) {
+	if (!sm750_dev->pv_reg) {
 		pr_err("mmio failed\n");
 		ret = -EFAULT;
 		goto exit;
 	}
-	pr_info("mmio virtual addr = %p\n", sm750_dev->pvReg);
+	pr_info("mmio virtual addr = %p\n", sm750_dev->pv_reg);

-	sm750_dev->accel.dprBase = sm750_dev->pvReg + DE_BASE_ADDR_TYPE1;
-	sm750_dev->accel.dpPortBase = sm750_dev->pvReg + DE_PORT_ADDR_TYPE1;
+	sm750_dev->accel.dpr_base = sm750_dev->pv_reg + DE_BASE_ADDR_TYPE1;
+	sm750_dev->accel.dp_port_base = sm750_dev->pv_reg + DE_PORT_ADDR_TYPE1;

-	mmio750 = sm750_dev->pvReg;
+	mmio750 = sm750_dev->pv_reg;
 	sm750_set_chip_type(sm750_dev->devid, sm750_dev->revid);

 	sm750_dev->vidmem_start = pci_resource_start(pdev, 0);
@@ -76,15 +76,15 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 		sm750_dev->vidmem_start, sm750_dev->vidmem_size);

 	/* reserve the vidmem space of smi adaptor */
-	sm750_dev->pvMem =
+	sm750_dev->pv_mem =
 		ioremap_wc(sm750_dev->vidmem_start, sm750_dev->vidmem_size);
-	if (!sm750_dev->pvMem) {
-		iounmap(sm750_dev->pvReg);
+	if (!sm750_dev->pv_mem) {
+		iounmap(sm750_dev->pv_reg);
 		pr_err("Map video memory failed\n");
 		ret = -EFAULT;
 		goto exit;
 	}
-	pr_info("video memory vaddr = %p\n", sm750_dev->pvMem);
+	pr_info("video memory vaddr = %p\n", sm750_dev->pv_mem);
 exit:
 	return ret;
 }
@@ -93,7 +93,7 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 {
 	struct init_status *parm;

-	parm = &sm750_dev->initParm;
+	parm = &sm750_dev->init_parm;
 	if (parm->chip_clk == 0)
 		parm->chip_clk = (sm750_get_chip_type() == SM750LE) ?
 					       DEFAULT_SM750LE_CHIP_CLOCK :
@@ -104,7 +104,7 @@ 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_init_hw((struct initchip_param *)&sm750_dev->initParm);
+	ddk750_init_hw((struct initchip_param *)&sm750_dev->init_parm);
 	/* for sm718, open pci burst */
 	if (sm750_dev->devid == 0x718) {
 		poke32(SYSTEM_CTRL,
@@ -136,10 +136,10 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 		switch (sm750_dev->pnltype) {
 		case sm750_24TFT:
 			break;
-		case sm750_doubleTFT:
+		case sm750_double_tft:
 			val |= PANEL_DISPLAY_CTRL_DOUBLE_PIXEL;
 			break;
-		case sm750_dualTFT:
+		case sm750_dual_tft:
 			val |= PANEL_DISPLAY_CTRL_DUAL_DISPLAY;
 			break;
 		}
--
2.50.1


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