fbdev: Remove trailing whitespaces

Fix coding style. No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220718072322.8927-2-tzimmermann@suse.de

drivers/video/fbdev/aty/aty128fb.c

@@ -23,7 +23,7 @@
  *			- Convert to new framebuffer API,
  *			  fix colormap setting at 16 bits/pixel (565)
  *
- *		  Paul Mundt 
+ *		  Paul Mundt
  *		  	- PCI hotplug
  *
  *		  Jon Smirl <jonsmirl@yahoo.com>
@@ -520,13 +520,13 @@ static const struct fb_ops aty128fb_ops = {
      *	- endian conversions may possibly be avoided by
      *    using the other register aperture. TODO.
      */
-static inline u32 _aty_ld_le32(volatile unsigned int regindex, 
+static inline u32 _aty_ld_le32(volatile unsigned int regindex,
 			       const struct aty128fb_par *par)
 {
 	return readl (par->regbase + regindex);
 }
 
-static inline void _aty_st_le32(volatile unsigned int regindex, u32 val, 
+static inline void _aty_st_le32(volatile unsigned int regindex, u32 val,
 				const struct aty128fb_par *par)
 {
 	writel (val, par->regbase + regindex);
@@ -559,12 +559,12 @@ static inline void _aty_st_8(unsigned int regindex, u8 val,
 
 static u32 _aty_ld_pll(unsigned int pll_index,
 		       const struct aty128fb_par *par)
-{       
+{
 	aty_st_8(CLOCK_CNTL_INDEX, pll_index & 0x3F);
 	return aty_ld_le32(CLOCK_CNTL_DATA);
 }
 
-    
+
 static void _aty_st_pll(unsigned int pll_index, u32 val,
 			const struct aty128fb_par *par)
 {
@@ -619,7 +619,7 @@ static int register_test(const struct aty128fb_par *par)
 		aty_st_le32(BIOS_0_SCRATCH, 0xAAAAAAAA);
 
 		if (aty_ld_le32(BIOS_0_SCRATCH) == 0xAAAAAAAA)
-			flag = 1; 
+			flag = 1;
 	}
 
 	aty_st_le32(BIOS_0_SCRATCH, val);	// restore value
@@ -901,7 +901,7 @@ static void aty128_get_pllinfo(struct aty128fb_par *par,
 
 	bios_hdr = BIOS_IN16(0x48);
 	bios_pll = BIOS_IN16(bios_hdr + 0x30);
-	
+
 	par->constants.ppll_max = BIOS_IN32(bios_pll + 0x16);
 	par->constants.ppll_min = BIOS_IN32(bios_pll + 0x12);
 	par->constants.xclk = BIOS_IN16(bios_pll + 0x08);
@@ -913,7 +913,7 @@ static void aty128_get_pllinfo(struct aty128fb_par *par,
 			par->constants.xclk, par->constants.ref_divider,
 			par->constants.ref_clk);
 
-}           
+}
 
 #ifdef CONFIG_X86
 static void __iomem *aty128_find_mem_vbios(struct aty128fb_par *par)
@@ -925,7 +925,7 @@ static void __iomem *aty128_find_mem_vbios(struct aty128fb_par *par)
 	 */
         u32  segstart;
         unsigned char __iomem *rom_base = NULL;
-                                                
+
         for (segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
                 rom_base = ioremap(segstart, 0x10000);
 		if (rom_base == NULL)
@@ -1118,12 +1118,12 @@ static int aty128_var_to_crtc(const struct fb_var_screeninfo *var,
 		v_sync_wid = 1;
 	else if (v_sync_wid > 0x1f)        /* 0x1f = max vwidth */
 		v_sync_wid = 0x1f;
-    
+
 	v_sync_strt = v_disp + lower;
 
 	h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
 	v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
-    
+
 	c_sync = sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
 
 	crtc->gen_cntl = 0x3000000L | c_sync | (dst << 8);
@@ -1301,11 +1301,11 @@ static void aty128_set_lcd_enable(struct aty128fb_par *par, int on)
 		aty_st_le32(LVDS_GEN_CNTL, reg);
 #ifdef CONFIG_FB_ATY128_BACKLIGHT
 		aty128_bl_set_power(info, FB_BLANK_UNBLANK);
-#endif	
+#endif
 	} else {
 #ifdef CONFIG_FB_ATY128_BACKLIGHT
 		aty128_bl_set_power(info, FB_BLANK_POWERDOWN);
-#endif	
+#endif
 		reg = aty_ld_le32(LVDS_GEN_CNTL);
 		reg |= LVDS_DISPLAY_DIS;
 		aty_st_le32(LVDS_GEN_CNTL, reg);
@@ -1481,7 +1481,7 @@ static int aty128_ddafifo(struct aty128_ddafifo *dsp,
  * This actually sets the video mode.
  */
 static int aty128fb_set_par(struct fb_info *info)
-{ 
+{
 	struct aty128fb_par *par = info->par;
 	u32 config;
 	int err;
@@ -1595,7 +1595,7 @@ static int aty128_encode_var(struct fb_var_screeninfo *var,
 	var->accel_flags = par->accel_flags;
 
 	return 0;
-}           
+}
 
 
 static int aty128fb_check_var(struct fb_var_screeninfo *var,
@@ -1979,12 +1979,12 @@ static int aty128_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 			/* PowerBook Titanium */
 			if (of_machine_is_compatible("PowerBook3,2"))
 				default_vmode = VMODE_1152_768_60;
-	
-			if (default_cmode > 16) 
+
+			if (default_cmode > 16)
 				default_cmode = CMODE_32;
-			else if (default_cmode > 8) 
+			else if (default_cmode > 8)
 				default_cmode = CMODE_16;
-			else 
+			else
 				default_cmode = CMODE_8;
 
 			if (mac_vmode_to_var(default_vmode, default_cmode, &var))
@@ -1994,7 +1994,7 @@ static int aty128_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 #endif /* CONFIG_PPC_PMAC */
 	{
 		if (mode_option)
-			if (fb_find_mode(&var, info, mode_option, NULL, 
+			if (fb_find_mode(&var, info, mode_option, NULL,
 					 0, &defaultmode, 8) == 0)
 				var = default_var;
 	}
@@ -2301,7 +2301,7 @@ static int aty128fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 	struct aty128fb_par *par = info->par;
 	u32 value;
 	int rc;
-    
+
 	switch (cmd) {
 	case FBIO_ATY128_SET_MIRROR:
 		if (par->chip_gen != rage_M3)
@@ -2313,8 +2313,8 @@ static int aty128fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 		par->crt_on = (value & 0x02) != 0;
 		if (!par->crt_on && !par->lcd_on)
 			par->lcd_on = 1;
-		aty128_set_crt_enable(par, par->crt_on);	
-		aty128_set_lcd_enable(par, par->lcd_on);	
+		aty128_set_crt_enable(par, par->crt_on);
+		aty128_set_lcd_enable(par, par->lcd_on);
 		return 0;
 	case FBIO_ATY128_GET_MIRROR:
 		if (par->chip_gen != rage_M3)
@@ -2331,7 +2331,7 @@ static void aty128_set_suspend(struct aty128fb_par *par, int suspend)
 
 	if (!par->pdev->pm_cap)
 		return;
-		
+
 	/* Set the chip into the appropriate suspend mode (we use D2,
 	 * D3 would require a complete re-initialisation of the chip,
 	 * including PCI config registers, clocks, AGP configuration, ...)
@@ -2376,12 +2376,12 @@ static int aty128_pci_suspend_late(struct device *dev, pm_message_t state)
 	 */
 	return 0;
 #endif /* CONFIG_PPC_PMAC */
-	 
+
 	if (state.event == pdev->dev.power.power_state.event)
 		return 0;
 
 	printk(KERN_DEBUG "aty128fb: suspending...\n");
-	
+
 	console_lock();
 
 	fb_set_suspend(info, 1);

drivers/video/fbdev/aty/radeon_base.c

@@ -7,7 +7,7 @@
  *	Copyright 2000	Ani Joshi <ajoshi@kernel.crashing.org>
  *
  *	i2c bits from Luca Tettamanti <kronos@kronoz.cjb.net>
- *	
+ *
  *	Special thanks to ATI DevRel team for their hardware donations.
  *
  *	...Insert GPL boilerplate here...
@@ -110,7 +110,7 @@ static const struct pci_device_id radeonfb_pci_table[] = {
 	/* Radeon IGP320M (U1) */
 	CHIP_DEF(PCI_CHIP_RS100_4336,	RS100,	CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
 	/* Radeon IGP320 (A3) */
-	CHIP_DEF(PCI_CHIP_RS100_4136,	RS100,	CHIP_HAS_CRTC2 | CHIP_IS_IGP), 
+	CHIP_DEF(PCI_CHIP_RS100_4136,	RS100,	CHIP_HAS_CRTC2 | CHIP_IS_IGP),
 	/* IGP330M/340M/350M (U2) */
 	CHIP_DEF(PCI_CHIP_RS200_4337,	RS200,	CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
 	/* IGP330/340/350 (A4) */
@@ -240,7 +240,7 @@ typedef struct {
  * interfere with anything
  */
 static reg_val common_regs[] = {
-	{ OVR_CLR, 0 },	
+	{ OVR_CLR, 0 },
 	{ OVR_WID_LEFT_RIGHT, 0 },
 	{ OVR_WID_TOP_BOTTOM, 0 },
 	{ OV0_SCALE_CNTL, 0 },
@@ -255,7 +255,7 @@ static reg_val common_regs[] = {
 /*
  * globals
  */
-        
+
 static char *mode_option;
 static char *monitor_layout;
 static bool noaccel = 0;
@@ -422,7 +422,7 @@ static int radeon_map_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
 	 * ROM somewhere in the first meg. We will just ignore the copy
 	 * and use the ROM directly.
 	 */
-    
+
     	/* Fix from ATI for problem with Radeon hardware not leaving ROM enabled */
     	unsigned int temp;
 	temp = INREG(MPP_TB_CONFIG);
@@ -430,14 +430,14 @@ static int radeon_map_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
 	temp |= 0x04 << 24;
 	OUTREG(MPP_TB_CONFIG, temp);
 	temp = INREG(MPP_TB_CONFIG);
-                                                                                                          
+
 	rom = pci_map_rom(dev, &rom_size);
 	if (!rom) {
 		printk(KERN_ERR "radeonfb (%s): ROM failed to map\n",
 		       pci_name(rinfo->pdev));
 		return -ENOMEM;
 	}
-	
+
 	rinfo->bios_seg = rom;
 
 	/* Very simple test to make sure it appeared */
@@ -515,7 +515,7 @@ static int  radeon_find_mem_vbios(struct radeonfb_info *rinfo)
 	 */
         u32  segstart;
 	void __iomem *rom_base = NULL;
-                                                
+
         for(segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
                 rom_base = ioremap(segstart, 0x10000);
 		if (rom_base == NULL)
@@ -605,16 +605,16 @@ static int radeon_probe_pll_params(struct radeonfb_info *rinfo)
 	for(i=0; i<1000000; i++)
 		if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) == 0)
 			break;
-	
+
 	stop_time = ktime_get();
-	
+
 	local_irq_enable();
 
 	total_usecs = ktime_us_delta(stop_time, start_time);
 	if (total_usecs >= 10 * USEC_PER_SEC || total_usecs == 0)
 		return -1;
 	hz = USEC_PER_SEC/(u32)total_usecs;
- 
+
 	hTotal = ((INREG(CRTC_H_TOTAL_DISP) & 0x1ff) + 1) * 8;
 	vTotal = ((INREG(CRTC_V_TOTAL_DISP) & 0x3ff) + 1);
 	vclk = (long long)hTotal * (long long)vTotal * hz;
@@ -662,7 +662,7 @@ static int radeon_probe_pll_params(struct radeonfb_info *rinfo)
 		denom *= 3;
 		break;
 	case 6:
-		denom *= 6;   
+		denom *= 6;
 		break;
 	case 7:
 		denom *= 12;
@@ -878,7 +878,7 @@ static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *in
                         v.green.length = 6;
                         v.blue.length = 5;
                         v.transp.offset = v.transp.length = 0;
-                        break;                          
+                        break;
                 case 24:
                         nom = 4;
                         den = 1;
@@ -908,7 +908,7 @@ static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *in
 		v.yres_virtual = v.yres;
 	if (v.xres_virtual < v.xres)
 		v.xres_virtual = v.xres;
-                
+
 
 	/* XXX I'm adjusting xres_virtual to the pitch, that may help XFree
 	 * with some panels, though I don't quite like this solution
@@ -929,14 +929,14 @@ static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *in
 
         if (v.xoffset > v.xres_virtual - v.xres)
                 v.xoffset = v.xres_virtual - v.xres - 1;
-                        
+
         if (v.yoffset > v.yres_virtual - v.yres)
                 v.yoffset = v.yres_virtual - v.yres - 1;
-         
+
         v.red.msb_right = v.green.msb_right = v.blue.msb_right =
                           v.transp.offset = v.transp.length =
                           v.transp.msb_right = 0;
-	
+
         memcpy(var, &v, sizeof(v));
 
         return 0;
@@ -951,7 +951,7 @@ static int radeonfb_pan_display (struct fb_var_screeninfo *var,
 	if ((var->xoffset + info->var.xres > info->var.xres_virtual)
 	    || (var->yoffset + info->var.yres > info->var.yres_virtual))
 		return -EINVAL;
-                
+
         if (rinfo->asleep)
         	return 0;
 
@@ -1151,7 +1151,7 @@ static int radeonfb_blank (int blank, struct fb_info *info)
 
 	if (rinfo->asleep)
 		return 0;
-		
+
 	return radeon_screen_blank(rinfo, blank, 0);
 }
 
@@ -1401,7 +1401,7 @@ static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_reg
 		} else {
 			/* R300 uses ref_div_acc field as real ref divider */
 			OUTPLLP(PPLL_REF_DIV,
-				(mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT), 
+				(mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
 				~R300_PPLL_REF_DIV_ACC_MASK);
 		}
 	} else
@@ -1423,7 +1423,7 @@ static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_reg
 	   workaround shouldn't have any effect on them. */
 	for (i = 0; (i < 10000 && INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R); i++)
 		;
-	
+
 	OUTPLL(HTOTAL_CNTL, 0);
 
 	/* Clear reset & atomic update */
@@ -1510,7 +1510,7 @@ void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
 
 	radeon_fifo_wait(2);
 	OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
-	
+
 	return;
 }
 
@@ -1735,7 +1735,7 @@ static int radeonfb_set_par(struct fb_info *info)
 	/* Clear auto-center etc... */
 	newmode->crtc_more_cntl = rinfo->init_state.crtc_more_cntl;
 	newmode->crtc_more_cntl &= 0xfffffff0;
-	
+
 	if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
 		newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
 		if (mirror)
@@ -1793,7 +1793,7 @@ static int radeonfb_set_par(struct fb_info *info)
 			newmode->surface_cntl |= NONSURF_AP0_SWP_16BPP;
 			newmode->surface_cntl |= NONSURF_AP1_SWP_16BPP;
 			break;
-		case 24:	
+		case 24:
 		case 32:
 			newmode->surface_cntl |= NONSURF_AP0_SWP_32BPP;
 			newmode->surface_cntl |= NONSURF_AP1_SWP_32BPP;
@@ -2028,7 +2028,7 @@ static void fixup_memory_mappings(struct radeonfb_info *rinfo)
 	}
 	save_crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
 	save_crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
-	
+
 	OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl | CRTC_DISPLAY_DIS);
 	OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl | CRTC_DISP_REQ_EN_B);
 	mdelay(100);
@@ -2038,7 +2038,7 @@ static void fixup_memory_mappings(struct radeonfb_info *rinfo)
 
 #ifdef SET_MC_FB_FROM_APERTURE
 	/* Set framebuffer to be at the same address as set in PCI BAR */
-	OUTREG(MC_FB_LOCATION, 
+	OUTREG(MC_FB_LOCATION,
 		((aper_base + aper_size - 1) & 0xffff0000) | (aper_base >> 16));
 	rinfo->fb_local_base = aper_base;
 #else
@@ -2079,7 +2079,7 @@ static void fixup_memory_mappings(struct radeonfb_info *rinfo)
 	OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl);
 	OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl);
 	if (rinfo->has_CRTC2)
-		OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl);	
+		OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl);
 
 	pr_debug("aper_base: %08x MC_FB_LOC to: %08x, MC_AGP_LOC to: %08x\n",
 		aper_base,
@@ -2265,7 +2265,7 @@ static int radeonfb_pci_register(struct pci_dev *pdev,
 	int err = 0;
 
 	pr_debug("radeonfb_pci_register BEGIN\n");
-	
+
 	/* Enable device in PCI config */
 	ret = pci_enable_device(pdev);
 	if (ret < 0) {
@@ -2280,9 +2280,9 @@ static int radeonfb_pci_register(struct pci_dev *pdev,
 		goto err_disable;
 	}
 	rinfo = info->par;
-	rinfo->info = info;	
+	rinfo->info = info;
 	rinfo->pdev = pdev;
-	
+
 	spin_lock_init(&rinfo->reg_lock);
 	timer_setup(&rinfo->lvds_timer, radeon_lvds_timer_func, 0);
 
@@ -2521,7 +2521,7 @@ static void radeonfb_pci_unregister(struct pci_dev *pdev)
 {
         struct fb_info *info = pci_get_drvdata(pdev);
         struct radeonfb_info *rinfo = info->par;
- 
+
         if (!rinfo)
                 return;
 
@@ -2540,7 +2540,7 @@ static void radeonfb_pci_unregister(struct pci_dev *pdev)
 
         iounmap(rinfo->mmio_base);
         iounmap(rinfo->fb_base);
- 
+
 	pci_release_region(pdev, 2);
 	pci_release_region(pdev, 0);
 
@@ -2550,7 +2550,7 @@ static void radeonfb_pci_unregister(struct pci_dev *pdev)
 		fb_destroy_modedb(rinfo->mon1_modedb);
 #ifdef CONFIG_FB_RADEON_I2C
 	radeon_delete_i2c_busses(rinfo);
-#endif        
+#endif
 	fb_dealloc_cmap(&info->cmap);
         framebuffer_release(info);
 }

drivers/video/fbdev/chipsfb.c

@@ -122,7 +122,7 @@ static int chipsfb_set_par(struct fb_info *info)
 		info->var.blue.offset = 0;
 		info->var.red.length = info->var.green.length =
 			info->var.blue.length = 5;
-		
+
 	} else {
 		/* p->var.bits_per_pixel == 8 */
 		write_cr(0x13, 100);		// Set line length (doublewords)
@@ -131,13 +131,13 @@ static int chipsfb_set_par(struct fb_info *info)
 		write_xr(0x20, 0x00);		// 8 bit blitter mode
 
 		info->fix.line_length = 800;
-		info->fix.visual = FB_VISUAL_PSEUDOCOLOR;		
+		info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
 
  		info->var.red.offset = info->var.green.offset =
 			info->var.blue.offset = 0;
 		info->var.red.length = info->var.green.length =
 			info->var.blue.length = 8;
-		
+
 	}
 	return 0;
 }

drivers/video/fbdev/imsttfb.c

@@ -86,7 +86,7 @@ enum {
 	SSTATUS	= 36, /* 0x90 */
 	PRC	= 37, /* 0x94 */
 
-#if 0	
+#if 0
 	/* PCI Registers */
 	DVID	= 0x00000000L,
 	SC	= 0x00000004L,
@@ -103,8 +103,8 @@ enum {
 	PDATA	= 0x04,
 	PPMASK	= 0x08,
 	PADDRR	= 0x0c,
-	PIDXLO	= 0x10,	
-	PIDXHI	= 0x14,	
+	PIDXLO	= 0x10,
+	PIDXHI	= 0x14,
 	PIDXDATA= 0x18,
 	PIDXCTL	= 0x1c
 };
@@ -131,7 +131,7 @@ enum {
 	SYSCLKC		= 0x18,	/* () System Clock C */
 	/*
 	 * Dot clock rate is 20MHz * (m + 1) / ((n + 1) * (p ? 2 * p : 1)
-	 * c is charge pump bias which depends on the VCO frequency  
+	 * c is charge pump bias which depends on the VCO frequency
 	 */
 	PIXM0		= 0x20,	/* () Pixel M 0 */
 	PIXN0		= 0x21,	/* () Pixel N 0 */
@@ -320,7 +320,7 @@ struct imstt_par {
 	__u32 ramdac;
 	__u32 palette[16];
 };
- 
+
 enum {
 	IBM = 0,
 	TVP = 1
@@ -373,7 +373,7 @@ static struct imstt_regvals tvp_reg_init_17 = {
 
 static struct imstt_regvals tvp_reg_init_18 = {
 	1152,
-  	0x0009, 0x0011, 0x059, 0x5b, 0x0003, 0x0031, 0x0397, 0x039a, 0x0000, 
+  	0x0009, 0x0011, 0x059, 0x5b, 0x0003, 0x0031, 0x0397, 0x039a, 0x0000,
 	0xfd, 0x3a, 0xf1,
 	{ 0x39, 0x38, 0x38 }, { 0xf3, 0xf3, 0xf2 }
 };
@@ -856,10 +856,10 @@ imsttfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 }
 
 static int
-imsttfb_set_par(struct fb_info *info) 
+imsttfb_set_par(struct fb_info *info)
 {
 	struct imstt_par *par = info->par;
-		
+
 	if (!compute_imstt_regvals(par, info->var.xres, info->var.yres))
 		return -EINVAL;
 
@@ -930,7 +930,7 @@ imsttfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
 	return 0;
 }
 
-static int 
+static int
 imsttfb_blank(int blank, struct fb_info *info)
 {
 	struct imstt_par *par = info->par;
@@ -986,7 +986,7 @@ imsttfb_blank(int blank, struct fb_info *info)
 
 static void
 imsttfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
-{ 
+{
 	struct imstt_par *par = info->par;
 	__u32 Bpp, line_pitch, bgc, dx, dy, width, height;
 
@@ -1192,7 +1192,7 @@ imstt_set_cursor(struct imstt_par *par, struct fb_image *d, int on)
 	}
 }
 
-static int 
+static int
 imsttfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 {
 	struct imstt_par *par = info->par;
@@ -1200,7 +1200,7 @@ imsttfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 
 	if (cursor->dest == NULL && cursor->rop == ROP_XOR)
 		return 1;
-	
+
 	imstt_set_cursor(info, cursor, 0);
 
 	if (flags & FB_CUR_SETPOS) {
@@ -1470,7 +1470,7 @@ static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct fb_info *info;
 	struct device_node *dp;
 	int ret = -ENOMEM;
-	
+
 	dp = pci_device_to_OF_node(pdev);
 	if(dp)
 		printk(KERN_INFO "%s: OF name %pOFn\n",__func__, dp);
@@ -1619,7 +1619,7 @@ static int __init imsttfb_init(void)
 #endif
 	return pci_register_driver(&imsttfb_pci_driver);
 }
- 
+
 static void __exit imsttfb_exit(void)
 {
 	pci_unregister_driver(&imsttfb_pci_driver);

drivers/video/fbdev/neofb.c

@@ -23,9 +23,9 @@
  *
  * 0.3.3
  *  - Porting over to new fbdev api. (jsimmons)
- *  
+ *
  * 0.3.2
- *  - got rid of all floating point (dok) 
+ *  - got rid of all floating point (dok)
  *
  * 0.3.1
  *  - added module license (dok)
@@ -1154,14 +1154,14 @@ static int neofb_set_par(struct fb_info *info)
 
 	switch (info->fix.accel) {
 		case FB_ACCEL_NEOMAGIC_NM2200:
-		case FB_ACCEL_NEOMAGIC_NM2230: 
-		case FB_ACCEL_NEOMAGIC_NM2360: 
-		case FB_ACCEL_NEOMAGIC_NM2380: 
+		case FB_ACCEL_NEOMAGIC_NM2230:
+		case FB_ACCEL_NEOMAGIC_NM2360:
+		case FB_ACCEL_NEOMAGIC_NM2380:
 			neo2200_accel_init(info, &info->var);
 			break;
 		default:
 			break;
-	}	
+	}
 	return 0;
 }
 
@@ -1493,15 +1493,15 @@ neofb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
 	switch (info->fix.accel) {
 		case FB_ACCEL_NEOMAGIC_NM2200:
-		case FB_ACCEL_NEOMAGIC_NM2230: 
-		case FB_ACCEL_NEOMAGIC_NM2360: 
+		case FB_ACCEL_NEOMAGIC_NM2230:
+		case FB_ACCEL_NEOMAGIC_NM2360:
 		case FB_ACCEL_NEOMAGIC_NM2380:
 			neo2200_fillrect(info, rect);
 			break;
 		default:
 			cfb_fillrect(info, rect);
 			break;
-	}	
+	}
 }
 
 static void
@@ -1509,15 +1509,15 @@ neofb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 {
 	switch (info->fix.accel) {
 		case FB_ACCEL_NEOMAGIC_NM2200:
-		case FB_ACCEL_NEOMAGIC_NM2230: 
-		case FB_ACCEL_NEOMAGIC_NM2360: 
-		case FB_ACCEL_NEOMAGIC_NM2380: 
+		case FB_ACCEL_NEOMAGIC_NM2230:
+		case FB_ACCEL_NEOMAGIC_NM2360:
+		case FB_ACCEL_NEOMAGIC_NM2380:
 			neo2200_copyarea(info, area);
 			break;
 		default:
 			cfb_copyarea(info, area);
 			break;
-	}	
+	}
 }
 
 static void
@@ -1536,20 +1536,20 @@ neofb_imageblit(struct fb_info *info, const struct fb_image *image)
 	}
 }
 
-static int 
+static int
 neofb_sync(struct fb_info *info)
 {
 	switch (info->fix.accel) {
 		case FB_ACCEL_NEOMAGIC_NM2200:
-		case FB_ACCEL_NEOMAGIC_NM2230: 
-		case FB_ACCEL_NEOMAGIC_NM2360: 
-		case FB_ACCEL_NEOMAGIC_NM2380: 
+		case FB_ACCEL_NEOMAGIC_NM2230:
+		case FB_ACCEL_NEOMAGIC_NM2360:
+		case FB_ACCEL_NEOMAGIC_NM2380:
 			neo2200_sync(info);
 			break;
 		default:
 			break;
 	}
-	return 0;		
+	return 0;
 }
 
 /*

drivers/video/fbdev/riva/fbdev.c

@@ -474,7 +474,7 @@ static inline void reverse_order(u32 *l)
  * DESCRIPTiON:
  * Loads cursor image based on a monochrome source and mask bitmap.  The
  * image bits determines the color of the pixel, 0 for background, 1 for
- * foreground.  Only the affected region (as determined by @w and @h 
+ * foreground.  Only the affected region (as determined by @w and @h
  * parameters) will be updated.
  *
  * CALLED FROM:
@@ -494,7 +494,7 @@ static void rivafb_load_cursor_image(struct riva_par *par, u8 *data8,
 	for (i = 0; i < h; i++) {
 		b = *data++;
 		reverse_order(&b);
-		
+
 		for (j = 0; j < w/2; j++) {
 			tmp = 0;
 #if defined (__BIG_ENDIAN)
@@ -562,7 +562,7 @@ static void riva_rclut(RIVA_HW_INST *chip,
 		       unsigned char regnum, unsigned char *red,
 		       unsigned char *green, unsigned char *blue)
 {
-	
+
 	VGA_WR08(chip->PDIO, 0x3c7, regnum);
 	*red = VGA_RD08(chip->PDIO, 0x3c9);
 	*green = VGA_RD08(chip->PDIO, 0x3c9);
@@ -673,7 +673,7 @@ static int riva_load_video_mode(struct fb_info *info)
 	int rc;
 	struct riva_par *par = info->par;
 	struct riva_regs newmode;
-	
+
 	NVTRACE_ENTER();
 	/* time to calculate */
 	rivafb_blank(FB_BLANK_NORMAL, info);
@@ -717,7 +717,7 @@ static int riva_load_video_mode(struct fb_info *info)
 		hBlankEnd = hTotal + 4;
 	}
 
-	newmode.crtc[0x0] = Set8Bits (hTotal); 
+	newmode.crtc[0x0] = Set8Bits (hTotal);
 	newmode.crtc[0x1] = Set8Bits (hDisplay);
 	newmode.crtc[0x2] = Set8Bits (hBlankStart);
 	newmode.crtc[0x3] = SetBitField (hBlankEnd, 4: 0, 4:0) | SetBit (7);
@@ -748,20 +748,20 @@ static int riva_load_video_mode(struct fb_info *info)
 		| SetBitField(vStart,10:10,2:2)
 		| SetBitField(vDisplay,10:10,1:1)
 		| SetBitField(vTotal,10:10,0:0);
-	newmode.ext.horiz  = SetBitField(hTotal,8:8,0:0) 
+	newmode.ext.horiz  = SetBitField(hTotal,8:8,0:0)
 		| SetBitField(hDisplay,8:8,1:1)
 		| SetBitField(hBlankStart,8:8,2:2)
 		| SetBitField(hStart,8:8,3:3);
 	newmode.ext.extra  = SetBitField(vTotal,11:11,0:0)
 		| SetBitField(vDisplay,11:11,2:2)
 		| SetBitField(vStart,11:11,4:4)
-		| SetBitField(vBlankStart,11:11,6:6); 
+		| SetBitField(vBlankStart,11:11,6:6);
 
 	if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
 		int tmp = (hTotal >> 1) & ~1;
 		newmode.ext.interlace = Set8Bits(tmp);
 		newmode.ext.horiz |= SetBitField(tmp, 8:8,4:4);
-	} else 
+	} else
 		newmode.ext.interlace = 0xff; /* interlace off */
 
 	if (par->riva.Architecture >= NV_ARCH_10)
@@ -774,7 +774,7 @@ static int riva_load_video_mode(struct fb_info *info)
 	if (info->var.sync & FB_SYNC_VERT_HIGH_ACT)
 		newmode.misc_output &= ~0x80;
 	else
-		newmode.misc_output |= 0x80;	
+		newmode.misc_output |= 0x80;
 
 	rc = CalcStateExt(&par->riva, &newmode.ext, par->pdev, bpp, width,
 			  hDisplaySize, height, dotClock);
@@ -841,7 +841,7 @@ static void riva_update_var(struct fb_var_screeninfo *var,
 }
 
 /**
- * rivafb_do_maximize - 
+ * rivafb_do_maximize -
  * @info: pointer to fb_info object containing info for current riva board
  * @var: standard kernel fb changeable data
  * @nom: nom
@@ -852,7 +852,7 @@ static void riva_update_var(struct fb_var_screeninfo *var,
  *
  * RETURNS:
  * -EINVAL on failure, 0 on success
- * 
+ *
  *
  * CALLED FROM:
  * rivafb_check_var()
@@ -916,14 +916,14 @@ static int rivafb_do_maximize(struct fb_info *info,
 			return -EINVAL;
 		}
 	}
-	
+
 	if (var->xres_virtual * nom / den >= 8192) {
 		printk(KERN_WARNING PFX
 		       "virtual X resolution (%d) is too high, lowering to %d\n",
 		       var->xres_virtual, 8192 * den / nom - 16);
 		var->xres_virtual = 8192 * den / nom - 16;
 	}
-	
+
 	if (var->xres_virtual < var->xres) {
 		printk(KERN_ERR PFX
 		       "virtual X resolution (%d) is smaller than real\n", var->xres_virtual);
@@ -1010,7 +1010,7 @@ static int riva_get_cmap_len(const struct fb_var_screeninfo *var)
 		break;
 	case 6:
 		rc = 64;	/* 64 entries (2^6), 16 bpp, RGB565 */
-		break;		
+		break;
 	default:
 		/* should not occur */
 		break;
@@ -1042,7 +1042,7 @@ static int rivafb_open(struct fb_info *info, int user)
 		/* vgaHWunlock() + riva unlock (0x7F) */
 		CRTCout(par, 0x11, 0xFF);
 		par->riva.LockUnlock(&par->riva, 0);
-	
+
 		riva_save_state(par, &par->initial_state);
 	}
 	par->ref_count++;
@@ -1082,7 +1082,7 @@ static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 	struct riva_par *par = info->par;
 	int nom, den;		/* translating from pixels->bytes */
 	int mode_valid = 0;
-	
+
 	NVTRACE_ENTER();
 	if (!var->pixclock)
 		return -EINVAL;
@@ -1176,7 +1176,7 @@ static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 	if (var->yoffset > var->yres_virtual - var->yres)
 		var->yoffset = var->yres_virtual - var->yres - 1;
 
-	var->red.msb_right = 
+	var->red.msb_right =
 	    var->green.msb_right =
 	    var->blue.msb_right =
 	    var->transp.offset = var->transp.length = var->transp.msb_right = 0;
@@ -1198,7 +1198,7 @@ static int rivafb_set_par(struct fb_info *info)
 		goto out;
 	if(!(info->flags & FBINFO_HWACCEL_DISABLED))
 		riva_setup_accel(info);
-	
+
 	par->cursor_reset = 1;
 	info->fix.line_length = (info->var.xres_virtual * (info->var.bits_per_pixel >> 3));
 	info->fix.visual = (info->var.bits_per_pixel == 8) ?
@@ -1486,7 +1486,7 @@ static inline void convert_bgcolor_16(u32 *col)
  * CALLED FROM:
  * framebuffer hook
  */
-static void rivafb_imageblit(struct fb_info *info, 
+static void rivafb_imageblit(struct fb_info *info,
 			     const struct fb_image *image)
 {
 	struct riva_par *par = info->par;
@@ -1515,7 +1515,7 @@ static void rivafb_imageblit(struct fb_info *info,
 			bgx = par->palette[image->bg_color];
 		}
 		if (info->var.green.length == 6)
-			convert_bgcolor_16(&bgx);	
+			convert_bgcolor_16(&bgx);
 		break;
 	}
 
@@ -1612,7 +1612,7 @@ static int rivafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 		u8 *dat = (u8 *) cursor->image.data;
 		u8 *msk = (u8 *) cursor->mask;
 		u8 *src;
-		
+
 		src = kmalloc_array(s_pitch, cursor->image.height, GFP_ATOMIC);
 
 		if (src) {
@@ -1683,7 +1683,7 @@ static const struct fb_ops riva_fb_ops = {
 	.fb_fillrect 	= rivafb_fillrect,
 	.fb_copyarea 	= rivafb_copyarea,
 	.fb_imageblit 	= rivafb_imageblit,
-	.fb_cursor	= rivafb_cursor,	
+	.fb_cursor	= rivafb_cursor,
 	.fb_sync 	= rivafb_sync,
 };
 
@@ -1713,7 +1713,7 @@ static int riva_set_fbinfo(struct fb_info *info)
 	info->pseudo_palette = par->pseudo_palette;
 
 	cmap_len = riva_get_cmap_len(&info->var);
-	fb_alloc_cmap(&info->cmap, cmap_len, 0);	
+	fb_alloc_cmap(&info->cmap, cmap_len, 0);
 
 	info->pixmap.size = 8 * 1024;
 	info->pixmap.buf_align = 4;
@@ -1929,7 +1929,7 @@ static int rivafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
 
 	default_par->Chipset = (pd->vendor << 16) | pd->device;
 	printk(KERN_INFO PFX "nVidia device/chipset %X\n",default_par->Chipset);
-	
+
 	if(default_par->riva.Architecture == 0) {
 		printk(KERN_ERR PFX "unknown NV_ARCH\n");
 		ret=-ENODEV;
@@ -1947,7 +1947,7 @@ static int rivafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
 	if (flatpanel == 1)
 		printk(KERN_INFO PFX "flatpanel support enabled\n");
 	default_par->forceCRTC = forceCRTC;
-	
+
 	rivafb_fix.mmio_len = pci_resource_len(pd, 0);
 	rivafb_fix.smem_len = pci_resource_len(pd, 1);
 
@@ -1959,7 +1959,7 @@ static int rivafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
 		cmd |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
 		pci_write_config_word(pd, PCI_COMMAND, cmd);
 	}
-	
+
 	rivafb_fix.mmio_start = pci_resource_start(pd, 0);
 	rivafb_fix.smem_start = pci_resource_start(pd, 1);
 
@@ -2058,7 +2058,7 @@ static int rivafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
 #endif
 	iounmap(info->screen_base);
 err_iounmap_pramin:
-	if (default_par->riva.Architecture == NV_ARCH_03) 
+	if (default_par->riva.Architecture == NV_ARCH_03)
 		iounmap(default_par->riva.PRAMIN);
 err_iounmap_ctrl_base:
 	iounmap(default_par->ctrl_base);
@@ -2077,7 +2077,7 @@ static void rivafb_remove(struct pci_dev *pd)
 {
 	struct fb_info *info = pci_get_drvdata(pd);
 	struct riva_par *par = info->par;
-	
+
 	NVTRACE_ENTER();
 
 #ifdef CONFIG_FB_RIVA_I2C
@@ -2117,11 +2117,11 @@ static int rivafb_setup(char *options)
 	while ((this_opt = strsep(&options, ",")) != NULL) {
 		if (!strncmp(this_opt, "forceCRTC", 9)) {
 			char *p;
-			
+
 			p = this_opt + 9;
-			if (!*p || !*(++p)) continue; 
+			if (!*p || !*(++p)) continue;
 			forceCRTC = *p - '0';
-			if (forceCRTC < 0 || forceCRTC > 1) 
+			if (forceCRTC < 0 || forceCRTC > 1)
 				forceCRTC = -1;
 		} else if (!strncmp(this_opt, "flatpanel", 9)) {
 			flatpanel = 1;

drivers/video/fbdev/sstfb.c

@@ -364,7 +364,7 @@ static int sstfb_check_var(struct fb_var_screeninfo *var,
 		return -EINVAL;
 	}
 	var->pixclock = KHZ2PICOS(freq);
-	
+
 	if (var->vmode & FB_VMODE_INTERLACED)
 		vBackPorch += (vBackPorch % 2);
 	if (var->vmode & FB_VMODE_DOUBLE) {
@@ -382,7 +382,7 @@ static int sstfb_check_var(struct fb_var_screeninfo *var,
 		printk(KERN_ERR "sstfb: Unsupported bpp %d\n", var->bits_per_pixel);
 		return -EINVAL;
 	}
-	
+
 	/* validity tests */
 	if (var->xres <= 1 || yDim <= 0 || var->hsync_len <= 1  ||
 	    hSyncOff <= 1  || var->left_margin <= 2  || vSyncOn <= 0 ||
@@ -392,7 +392,7 @@ static int sstfb_check_var(struct fb_var_screeninfo *var,
 
 	if (IS_VOODOO2(par)) {
 		/* Voodoo 2 limits */
-		tiles_in_X = (var->xres + 63 ) / 64 * 2;		
+		tiles_in_X = (var->xres + 63 ) / 64 * 2;
 
 		if (var->xres  > POW2(11) || yDim >= POW2(11)) {
 			printk(KERN_ERR "sstfb: Unsupported resolution %dx%d\n",
@@ -631,7 +631,7 @@ static int sstfb_set_par(struct fb_info *info)
 	lfbmode |= ( LFB_WORD_SWIZZLE_WR | LFB_BYTE_SWIZZLE_WR |
 		     LFB_WORD_SWIZZLE_RD | LFB_BYTE_SWIZZLE_RD );
 #endif
-	
+
 	if (clipping) {
 		sst_write(LFBMODE, lfbmode | EN_PXL_PIPELINE);
 	/*
@@ -684,7 +684,7 @@ static int sstfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
 	    | (green << info->var.green.offset)
 	    | (blue  << info->var.blue.offset)
 	    | (transp << info->var.transp.offset);
-	
+
 	par->palette[regno] = col;
 
 	return 0;
@@ -773,7 +773,7 @@ static void sstfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 {
 	struct sstfb_par *par = info->par;
 	u32 stride = info->fix.line_length;
-   
+
 	if (!IS_VOODOO2(par))
 		return;
 
@@ -795,17 +795,17 @@ static void sstfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
  * FillRect 2D command (solidfill or invert (via ROP_XOR)) - Voodoo2 only
  */
 #if 0
-static void sstfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) 
+static void sstfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
 	struct sstfb_par *par = info->par;
 	u32 stride = info->fix.line_length;
 
 	if (!IS_VOODOO2(par))
 		return;
-   	
+
 	sst_write(BLTCLIPX, info->var.xres);
 	sst_write(BLTCLIPY, info->var.yres);
-	
+
 	sst_write(BLTDSTBASEADDR, 0);
 	sst_write(BLTCOLOR, rect->color);
 	sst_write(BLTROP, rect->rop == ROP_COPY ? BLTROP_COPY : BLTROP_XOR);
@@ -820,8 +820,8 @@ static void sstfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 
 
 
-/* 
- * get lfb size 
+/*
+ * get lfb size
  */
 static int sst_get_memsize(struct fb_info *info, __u32 *memsize)
 {
@@ -859,8 +859,8 @@ static int sst_get_memsize(struct fb_info *info, __u32 *memsize)
 }
 
 
-/* 
- * DAC detection routines 
+/*
+ * DAC detection routines
  */
 
 /* fbi should be idle, and fifo emty and mem disabled */
@@ -963,7 +963,7 @@ static int sst_detect_ics(struct fb_info *info)
  * see detect_dac
  */
 
-static int sst_set_pll_att_ti(struct fb_info *info, 
+static int sst_set_pll_att_ti(struct fb_info *info,
 		const struct pll_timing *t, const int clock)
 {
 	struct sstfb_par *par = info->par;
@@ -1338,10 +1338,10 @@ static int sstfb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		return -ENOMEM;
 
 	pci_set_drvdata(pdev, info);
-	
+
 	par  = info->par;
 	fix  = &info->fix;
-	
+
 	par->type = id->driver_data;
 	spec = &voodoo_spec[par->type];
 	f_ddprintk("found device : %s\n", spec->name);
@@ -1407,7 +1407,7 @@ static int sstfb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	 * fact dithered to 16bit).
 	 */
 	fix->line_length = 2048; /* default value, for 24 or 32bit: 4096 */
-	
+
 	fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 16);
 
 	if (sstfb_check_var(&info->var, info)) {
@@ -1419,7 +1419,7 @@ static int sstfb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		printk(KERN_ERR "sstfb: can't set default video mode.\n");
 		goto fail;
 	}
-	
+
 	if (fb_alloc_cmap(&info->cmap, 256, 0)) {
 		printk(KERN_ERR "sstfb: can't alloc cmap memory.\n");
 		goto fail;
@@ -1465,7 +1465,7 @@ static void sstfb_remove(struct pci_dev *pdev)
 
 	info = pci_get_drvdata(pdev);
 	par = info->par;
-	
+
 	device_remove_file(info->dev, &device_attrs[0]);
 	sst_shutdown(info);
 	iounmap(info->screen_base);

drivers/video/fbdev/tgafb.c

@@ -729,7 +729,7 @@ tgafb_mono_imageblit(struct fb_info *info, const struct fb_image *image)
 
 		/* Handle another common case in which accel_putcs
 		   generates a large bitmap, which happens to be aligned.
-		   Allow the tail to be misaligned.  This case is 
+		   Allow the tail to be misaligned.  This case is
 		   interesting because we've not got to hold partial
 		   bytes across the words being written.  */
 
@@ -908,9 +908,9 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image)
 }
 
 /**
- *      tgafb_fillrect - REQUIRED function. Can use generic routines if 
+ *      tgafb_fillrect - REQUIRED function. Can use generic routines if
  *                       non acclerated hardware and packed pixel based.
- *                       Draws a rectangle on the screen.               
+ *                       Draws a rectangle on the screen.
  *
  *      @info: frame buffer structure that represents a single frame buffer
  *      @rect: structure defining the rectagle and operation.
@@ -1044,7 +1044,7 @@ tgafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 
 /* Handle the special case of copying entire lines, e.g. during scrolling.
    We can avoid a lot of needless computation in this case.  In the 8bpp
-   case we need to use the COPY64 registers instead of mask writes into 
+   case we need to use the COPY64 registers instead of mask writes into
    the frame buffer to achieve maximum performance.  */
 
 static inline void
@@ -1251,7 +1251,7 @@ copyarea_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,
 }
 
 static void
-tgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area) 
+tgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 {
 	unsigned long dx, dy, width, height, sx, sy, vxres, vyres;
 	unsigned long line_length, bpp;

drivers/video/fbdev/vga16fb.c

 /*
  * linux/drivers/video/vga16.c -- VGA 16-color framebuffer driver
- * 
+ *
  * Copyright 1999 Ben Pfaff <pfaffben@debian.org> and Petr Vandrovec <VANDROVE@vc.cvut.cz>
  * Based on VGA info at http://www.goodnet.com/~tinara/FreeVGA/home.htm
  * Based on VESA framebuffer (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de>
  *
  * This file is subject to the terms and conditions of the GNU General
  * Public License.  See the file COPYING in the main directory of this
- * archive for more details.  
+ * archive for more details.
  */
 
 #include <linux/module.h>
@@ -70,7 +70,7 @@ static struct fb_var_screeninfo vga16fb_defined = {
 	.yres		= 480,
 	.xres_virtual	= 640,
 	.yres_virtual	= 480,
-	.bits_per_pixel	= 4,	
+	.bits_per_pixel	= 4,
 	.activate	= FB_ACTIVATE_TEST,
 	.height		= -1,
 	.width		= -1,
@@ -120,7 +120,7 @@ static inline void rmw(volatile char __iomem *p)
 static inline int setmode(int mode)
 {
 	int oldmode;
-	
+
 	oldmode = vga_io_rgfx(VGA_GFX_MODE);
 	vga_io_w(VGA_GFX_D, mode);
 	return oldmode;
@@ -139,19 +139,19 @@ static inline void setmask(int mask)
 	vga_io_w(VGA_GFX_D, mask);
 }
 
-/* Set the Data Rotate Register and return its old value. 
+/* Set the Data Rotate Register and return its old value.
    Bits 0-2 are rotate count, bits 3-4 are logical operation
    (0=NOP, 1=AND, 2=OR, 3=XOR). */
 static inline int setop(int op)
 {
 	int oldop;
-	
+
 	oldop = vga_io_rgfx(VGA_GFX_DATA_ROTATE);
 	vga_io_w(VGA_GFX_D, op);
 	return oldop;
 }
 
-/* Set the Enable Set/Reset Register and return its old value.  
+/* Set the Enable Set/Reset Register and return its old value.
    The code here always uses value 0xf for this register. */
 static inline int setsr(int sr)
 {
@@ -203,7 +203,7 @@ static inline int check_mode_supported(void)
 	return 0;
 }
 
-static void vga16fb_pan_var(struct fb_info *info, 
+static void vga16fb_pan_var(struct fb_info *info,
 			    struct fb_var_screeninfo *var)
 {
 	struct vga16fb_par *par = info->par;
@@ -296,7 +296,7 @@ static void vga16fb_clock_chip(struct vga16fb_par *par,
 	par->clkdiv = best->seq_clock_mode;
 	*pixclock = (best->pixclock * div) / mul;
 }
-			       
+
 #define FAIL(X) return -EINVAL
 
 static int vga16fb_open(struct fb_info *info, int user)
@@ -511,7 +511,7 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var,
 		par->misc &= ~0x40;
 	if (var->sync & FB_SYNC_VERT_HIGH_ACT)
 		par->misc &= ~0x80;
-	
+
 	par->mode = mode;
 
 	if (mode & MODE_8BPP)
@@ -520,8 +520,8 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var,
 	else
 		/* pixel clock == vga clock */
 		vga16fb_clock_chip(par, &var->pixclock, info, 1, 1);
-	
-	var->red.offset = var->green.offset = var->blue.offset = 
+
+	var->red.offset = var->green.offset = var->blue.offset =
 	var->transp.offset = 0;
 	var->red.length = var->green.length = var->blue.length =
 		(par->isVGA) ? 6 : 2;
@@ -588,10 +588,10 @@ static int vga16fb_set_par(struct fb_info *info)
 	else
 		atc[VGA_ATC_PEL] = info->var.xoffset & 7;
 	atc[VGA_ATC_COLOR_PAGE] = 0x00;
-	
+
 	if (par->mode & MODE_TEXT) {
-		fh = 16; // FIXME !!! Fudge font height. 
-		par->crtc[VGA_CRTC_MAX_SCAN] = (par->crtc[VGA_CRTC_MAX_SCAN] 
+		fh = 16; // FIXME !!! Fudge font height.
+		par->crtc[VGA_CRTC_MAX_SCAN] = (par->crtc[VGA_CRTC_MAX_SCAN]
 					       & ~0x1F) | (fh - 1);
 	}
 
@@ -602,10 +602,10 @@ static int vga16fb_set_par(struct fb_info *info)
 		vga_io_w(EGA_GFX_E0, 0x00);
 		vga_io_w(EGA_GFX_E1, 0x01);
 	}
-	
+
 	/* update misc output register */
 	vga_io_w(VGA_MIS_W, par->misc);
-	
+
 	/* synchronous reset on */
 	vga_io_wseq(0x00, 0x01);
 
@@ -617,7 +617,7 @@ static int vga16fb_set_par(struct fb_info *info)
 	for (i = 2; i < VGA_SEQ_C; i++) {
 		vga_io_wseq(i, seq[i]);
 	}
-	
+
 	/* synchronous reset off */
 	vga_io_wseq(0x00, 0x03);
 
@@ -628,12 +628,12 @@ static int vga16fb_set_par(struct fb_info *info)
 	for (i = 0; i < VGA_CRTC_REGS; i++) {
 		vga_io_wcrt(i, par->crtc[i]);
 	}
-	
+
 	/* write graphics controller registers */
 	for (i = 0; i < VGA_GFX_C; i++) {
 		vga_io_wgfx(i, gdc[i]);
 	}
-	
+
 	/* write attribute controller registers */
 	for (i = 0; i < VGA_ATT_C; i++) {
 		vga_io_r(VGA_IS1_RC);		/* reset flip-flop */
@@ -656,7 +656,7 @@ static void ega16_setpalette(int regno, unsigned red, unsigned green, unsigned b
 {
 	static const unsigned char map[] = { 000, 001, 010, 011 };
 	int val;
-	
+
 	if (regno >= 16)
 		return;
 	val = map[red>>14] | ((map[green>>14]) << 1) | ((map[blue>>14]) << 2);
@@ -687,17 +687,17 @@ static int vga16fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 	 *  (according to the entries in the `var' structure). Return
 	 *  != 0 for invalid regno.
 	 */
-	
+
 	if (regno >= 256)
 		return 1;
 
 	gray = info->var.grayscale;
-	
+
 	if (gray) {
 		/* gray = 0.30*R + 0.59*G + 0.11*B */
 		red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 	}
-	if (par->isVGA) 
+	if (par->isVGA)
 		vga16_setpalette(regno,red,green,blue);
 	else
 		ega16_setpalette(regno,red,green,blue);
@@ -705,7 +705,7 @@ static int vga16fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 }
 
 static int vga16fb_pan_display(struct fb_var_screeninfo *var,
-			       struct fb_info *info) 
+			       struct fb_info *info)
 {
 	vga16fb_pan_var(info, var);
 	return 0;
@@ -720,7 +720,7 @@ static void vga_vesa_blank(struct vga16fb_par *par, int mode)
 {
 	unsigned char SeqCtrlIndex = vga_io_r(VGA_SEQ_I);
 	unsigned char CrtCtrlIndex = vga_io_r(VGA_CRT_IC);
-	
+
 	/* save original values of VGA controller registers */
 	if(!par->vesa_blanked) {
 		par->vga_state.CrtMiscIO = vga_io_r(VGA_MIS_R);
@@ -776,7 +776,7 @@ static void vga_vesa_unblank(struct vga16fb_par *par)
 {
 	unsigned char SeqCtrlIndex = vga_io_r(VGA_SEQ_I);
 	unsigned char CrtCtrlIndex = vga_io_r(VGA_CRT_IC);
-	
+
 	/* restore original values of VGA controller registers */
 	vga_io_w(VGA_MIS_W, par->vga_state.CrtMiscIO);
 
@@ -962,7 +962,7 @@ static void vga16fb_fillrect(struct fb_info *info, const struct fb_fillrect *rec
 				}
 				break;
 			}
-		} else 
+		} else
 			vga_8planes_fillrect(info, rect);
 		break;
 	case FB_TYPE_PACKED_PIXELS:
@@ -1029,7 +1029,7 @@ static void vga_8planes_copyarea(struct fb_info *info, const struct fb_copyarea
 
 static void vga16fb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 {
-	u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy; 
+	u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy;
 	int x, x2, y2, old_dx, old_dy, vxres, vyres;
 	int height, width, line_ofs;
 	char __iomem *dst = NULL;
@@ -1094,9 +1094,9 @@ static void vga16fb_copyarea(struct fb_info *info, const struct fb_copyarea *are
 					dst += line_ofs;
 				}
 			} else {
-				dst = info->screen_base + (dx/8) + width + 
+				dst = info->screen_base + (dx/8) + width +
 					(dy + height - 1) * info->fix.line_length;
-				src = info->screen_base + (sx/8) + width + 
+				src = info->screen_base + (sx/8) + width +
 					(sy + height  - 1) * info->fix.line_length;
 				while (height--) {
 					for (x = 0; x < width; x++) {
@@ -1109,7 +1109,7 @@ static void vga16fb_copyarea(struct fb_info *info, const struct fb_copyarea *are
 					dst -= line_ofs;
 				}
 			}
-		} else 
+		} else
 			vga_8planes_copyarea(info, area);
 		break;
 	case FB_TYPE_PACKED_PIXELS:
@@ -1182,7 +1182,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
 				setsr(0xf);
 				setcolor(image->fg_color);
 				selectmask();
-				
+
 				setmask(0xff);
 				writeb(image->bg_color, where);
 				rmb();
@@ -1191,7 +1191,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
 				wmb();
 				for (y = 0; y < image->height; y++) {
 					dst = where;
-					for (x = image->width/8; x--;) 
+					for (x = image->width/8; x--;)
 						writeb(*cdat++, dst++);
 					where += info->fix.line_length;
 				}
@@ -1202,7 +1202,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
 				setsr(0xf);
 				setcolor(image->bg_color);
 				selectmask();
-				
+
 				setmask(0xff);
 				for (y = 0; y < image->height; y++) {
 					dst = where;
@@ -1218,7 +1218,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
 					where += info->fix.line_length;
 				}
 			}
-		} else 
+		} else
 			vga_8planes_imageblit(info, image);
 		break;
 	case FB_TYPE_PACKED_PIXELS:
@@ -1231,7 +1231,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
 static void vga_imageblit_color(struct fb_info *info, const struct fb_image *image)
 {
 	/*
-	 * Draw logo 
+	 * Draw logo
 	 */
 	struct vga16fb_par *par = info->par;
 	char __iomem *where =
@@ -1248,7 +1248,7 @@ static void vga_imageblit_color(struct fb_info *info, const struct fb_image *ima
 			setsr(0xf);
 			setop(0);
 			setmode(0);
-			
+
 			for (y = 0; y < image->height; y++) {
 				for (x = 0; x < image->width; x++) {
 					dst = where + x/8;
@@ -1272,7 +1272,7 @@ static void vga_imageblit_color(struct fb_info *info, const struct fb_image *ima
 		break;
 	}
 }
-				
+
 static void vga16fb_imageblit(struct fb_info *info, const struct fb_image *image)
 {
 	if (image->depth == 1)
@@ -1308,10 +1308,10 @@ static const struct fb_ops vga16fb_ops = {
 static int __init vga16fb_setup(char *options)
 {
 	char *this_opt;
-	
+
 	if (!options || !*options)
 		return 0;
-	
+
 	while ((this_opt = strsep(&options, ",")) != NULL) {
 		if (!*this_opt) continue;
 	}
@@ -1361,10 +1361,10 @@ static int vga16fb_probe(struct platform_device *dev)
 	par->vesa_blanked = 0;
 
 	i = par->isVGA? 6 : 2;
-	
+
 	vga16fb_defined.red.length   = i;
 	vga16fb_defined.green.length = i;
-	vga16fb_defined.blue.length  = i;	
+	vga16fb_defined.blue.length  = i;
 
 	/* name should not depend on EGA/VGA */
 	info->fbops = &vga16fb_ops;

include/video/vga.h

@@ -2,15 +2,15 @@
  * linux/include/video/vga.h -- standard VGA chipset interaction
  *
  * Copyright 1999 Jeff Garzik <jgarzik@pobox.com>
- * 
+ *
  * Copyright history from vga16fb.c:
  *	Copyright 1999 Ben Pfaff and Petr Vandrovec
- *	Based on VGA info at http://www.osdever.net/FreeVGA/home.htm 
+ *	Based on VGA info at http://www.osdever.net/FreeVGA/home.htm
  *	Based on VESA framebuffer (c) 1998 Gerd Knorr
  *
  * This file is subject to the terms and conditions of the GNU General
  * Public License.  See the file COPYING in the main directory of this
- * archive for more details.  
+ * archive for more details.
  *
  */
 
@@ -190,7 +190,7 @@ struct vgastate {
 	__u32 num_gfx;		/* number of gfx registers, 0 for default  */
 	__u32 num_seq;		/* number of seq registers, 0 for default  */
 	void *vidstate;
-};	
+};
 
 extern int save_vga(struct vgastate *state);
 extern int restore_vga(struct vgastate *state);
@@ -198,7 +198,7 @@ extern int restore_vga(struct vgastate *state);
 /*
  * generic VGA port read/write
  */
- 
+
 static inline unsigned char vga_io_r (unsigned short port)
 {
 	return inb_p(port);
@@ -261,7 +261,7 @@ static inline void vga_w_fast (void __iomem *regbase, unsigned short port,
 /*
  * VGA CRTC register read/write
  */
- 
+
 static inline unsigned char vga_rcrt (void __iomem *regbase, unsigned char reg)
 {
         vga_w (regbase, VGA_CRT_IC, reg);
@@ -314,7 +314,7 @@ static inline void vga_mm_wcrt (void __iomem *regbase, unsigned char reg, unsign
 /*
  * VGA sequencer register read/write
  */
- 
+
 static inline unsigned char vga_rseq (void __iomem *regbase, unsigned char reg)
 {
         vga_w (regbase, VGA_SEQ_I, reg);
@@ -366,7 +366,7 @@ static inline void vga_mm_wseq (void __iomem *regbase, unsigned char reg, unsign
 /*
  * VGA graphics controller register read/write
  */
- 
+
 static inline unsigned char vga_rgfx (void __iomem *regbase, unsigned char reg)
 {
         vga_w (regbase, VGA_GFX_I, reg);
@@ -419,7 +419,7 @@ static inline void vga_mm_wgfx (void __iomem *regbase, unsigned char reg, unsign
 /*
  * VGA attribute controller register read/write
  */
- 
+
 static inline unsigned char vga_rattr (void __iomem *regbase, unsigned char reg)
 {
         vga_w (regbase, VGA_ATT_IW, reg);