diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index 22881d35c9ad..2c944539eaf0 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -175,7 +175,7 @@ static void lynxfb_ops_fillrect(struct fb_info *info,
 	 * each time 2d function begin to work,below three variable always need
 	 * be set, seems we can put them together in some place
 	 */
-	base = par->crtc.oScreen;
+	base = par->crtc.o_screen;
 	pitch = info->fix.line_length;
 	Bpp = info->var.bits_per_pixel >> 3;
 
@@ -213,7 +213,7 @@ static void lynxfb_ops_copyarea(struct fb_info *info,
 	 * each time 2d function begin to work,below three variable always need
 	 * be set, seems we can put them together in some place
 	 */
-	base = par->crtc.oScreen;
+	base = par->crtc.o_screen;
 	pitch = info->fix.line_length;
 	Bpp = info->var.bits_per_pixel >> 3;
 
@@ -247,7 +247,7 @@ static void lynxfb_ops_imageblit(struct fb_info *info,
 	 * each time 2d function begin to work,below three variable always need
 	 * be set, seems we can put them together in some place
 	 */
-	base = par->crtc.oScreen;
+	base = par->crtc.o_screen;
 	pitch = info->fix.line_length;
 	Bpp = info->var.bits_per_pixel >> 3;
 
@@ -451,7 +451,7 @@ static int __maybe_unused lynxfb_resume(struct device *dev)
 		crtc = &par->crtc;
 		cursor = &crtc->cursor;
 		memset_io(cursor->vstart, 0x0, cursor->size);
-		memset_io(crtc->vScreen, 0x0, crtc->vidmem_size);
+		memset_io(crtc->v_screen, 0x0, crtc->vidmem_size);
 		lynxfb_ops_set_par(info);
 		fb_set_suspend(info, 0);
 	}
@@ -463,7 +463,7 @@ static int __maybe_unused lynxfb_resume(struct device *dev)
 		crtc = &par->crtc;
 		cursor = &crtc->cursor;
 		memset_io(cursor->vstart, 0x0, cursor->size);
-		memset_io(crtc->vScreen, 0x0, crtc->vidmem_size);
+		memset_io(crtc->v_screen, 0x0, crtc->vidmem_size);
 		lynxfb_ops_set_par(info);
 		fb_set_suspend(info, 0);
 	}
@@ -614,44 +614,44 @@ static int sm750fb_set_drv(struct lynxfb_par *par)
 	case sm750_simul_pri:
 		output->paths = sm750_pnc;
 		crtc->channel = sm750_primary;
-		crtc->oScreen = 0;
-		crtc->vScreen = sm750_dev->mem;
+		crtc->o_screen = 0;
+		crtc->v_screen = sm750_dev->mem;
 		pr_info("use simul primary mode\n");
 		break;
 	case sm750_simul_sec:
 		output->paths = sm750_pnc;
 		crtc->channel = sm750_secondary;
-		crtc->oScreen = 0;
-		crtc->vScreen = sm750_dev->mem;
+		crtc->o_screen = 0;
+		crtc->v_screen = sm750_dev->mem;
 		break;
 	case sm750_dual_normal:
 		if (par->index == 0) {
 			output->paths = sm750_panel;
 			crtc->channel = sm750_primary;
-			crtc->oScreen = 0;
-			crtc->vScreen = sm750_dev->mem;
+			crtc->o_screen = 0;
+			crtc->v_screen = sm750_dev->mem;
 		} else {
 			output->paths = sm750_crt;
 			crtc->channel = sm750_secondary;
-			/* not consider of padding stuffs for oScreen,need fix */
-			crtc->oScreen = sm750_dev->vidmem_size >> 1;
-			crtc->vScreen = sm750_dev->mem + crtc->oScreen;
+			/* not consider of padding stuffs for o_screen,need fix */
+			crtc->o_screen = sm750_dev->vidmem_size >> 1;
+			crtc->v_screen = sm750_dev->mem + crtc->o_screen;
 		}
 		break;
 	case sm750_dual_swap:
 		if (par->index == 0) {
 			output->paths = sm750_panel;
 			crtc->channel = sm750_secondary;
-			crtc->oScreen = 0;
-			crtc->vScreen = sm750_dev->mem;
+			crtc->o_screen = 0;
+			crtc->v_screen = sm750_dev->mem;
 		} else {
 			output->paths = sm750_crt;
 			crtc->channel = sm750_primary;
-			/* not consider of padding stuffs for oScreen,
+			/* not consider of padding stuffs for o_screen,
 			 * need fix
 			 */
-			crtc->oScreen = sm750_dev->vidmem_size >> 1;
-			crtc->vScreen = sm750_dev->mem + crtc->oScreen;
+			crtc->o_screen = sm750_dev->vidmem_size >> 1;
+			crtc->v_screen = sm750_dev->mem + crtc->o_screen;
 		}
 		break;
 	default:
@@ -718,7 +718,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 	 * set current cursor variable and proc pointer,
 	 * must be set after crtc member initialized
 	 */
-	crtc->cursor.offset = crtc->oScreen + crtc->vidmem_size - 1024;
+	crtc->cursor.offset = crtc->o_screen + crtc->vidmem_size - 1024;
 	crtc->cursor.mmio = sm750_dev->reg +
 		0x800f0 + (int)crtc->channel * 0x140;
 
@@ -801,7 +801,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 			    crtc->line_pad);
 
 	info->pseudo_palette = &par->pseudo_palette[0];
-	info->screen_base = crtc->vScreen;
+	info->screen_base = crtc->v_screen;
 	pr_debug("screen_base vaddr = %p\n", info->screen_base);
 	info->screen_size = line_length * var->yres_virtual;
 	info->flags = FBINFO_FLAG_DEFAULT | 0;
@@ -816,7 +816,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 
 	strscpy(fix->id, fixId[index], sizeof(fix->id));
 
-	fix->smem_start = crtc->oScreen + sm750_dev->vidmem_start;
+	fix->smem_start = crtc->o_screen + sm750_dev->vidmem_start;
 	pr_info("fix->smem_start = %lx\n", fix->smem_start);
 	/*
 	 * according to mmap experiment from user space application,
diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h
index 6f3af779f3b0..368e5cc19147 100644
--- a/drivers/staging/sm750fb/sm750.h
+++ b/drivers/staging/sm750fb/sm750.h
@@ -132,10 +132,10 @@ struct lynx_cursor {
 };
 
 struct lynxfb_crtc {
-	unsigned char __iomem *vCursor; /* virtual address of cursor */
-	unsigned char __iomem *vScreen; /* virtual address of on_screen */
-	int oCursor; /* cursor address offset in vidmem */
-	int oScreen; /* onscreen address offset in vidmem */
+	unsigned char __iomem *v_cursor; /* virtual address of cursor */
+	unsigned char __iomem *v_screen; /* virtual address of on_screen */
+	int o_cursor; /* cursor address offset in vidmem */
+	int o_screen; /* onscreen address offset in vidmem */
 	int channel;/* which channel this crtc stands for*/
 	resource_size_t vidmem_size;/* this view's video memory max size */
 
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index add9daa585fd..7c852c6a153b 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -314,7 +314,7 @@ int hw_sm750_crtc_set_mode(struct lynxfb_crtc *crtc,
 	if (crtc->channel != sm750_secondary) {
 		/* set pitch, offset, width, start address, etc... */
 		poke32(PANEL_FB_ADDRESS,
-		       crtc->oScreen & PANEL_FB_ADDRESS_ADDRESS_MASK);
+		       crtc->o_screen & PANEL_FB_ADDRESS_ADDRESS_MASK);
 
 		reg = var->xres * (var->bits_per_pixel >> 3);
 		/*
@@ -350,7 +350,7 @@ int hw_sm750_crtc_set_mode(struct lynxfb_crtc *crtc,
 		poke32(PANEL_DISPLAY_CTRL, reg | (var->bits_per_pixel >> 4));
 	} else {
 		/* not implemented now */
-		poke32(CRT_FB_ADDRESS, crtc->oScreen);
+		poke32(CRT_FB_ADDRESS, crtc->o_screen);
 		reg = var->xres * (var->bits_per_pixel >> 3);
 		/*
 		 * crtc->channel is not equal to par->index on numeric,
@@ -554,7 +554,7 @@ int hw_sm750_pan_display(struct lynxfb_crtc *crtc,
 
 	total = var->yoffset * info->fix.line_length +
 		((var->xoffset * var->bits_per_pixel) >> 3);
-	total += crtc->oScreen;
+	total += crtc->o_screen;
 	if (crtc->channel == sm750_primary) {
 		poke32(PANEL_FB_ADDRESS,
 		       peek32(PANEL_FB_ADDRESS) |
