video: da8xx-fb: make clock naming consistent

Clean up the code, so that the names of the various clock variables
are consistent to it is clear what variable is associated with what
clock.
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/da8xx-fb.c

@@ -177,7 +177,7 @@ struct da8xx_fb_par {
 #ifdef CONFIG_CPU_FREQ
 	struct notifier_block	freq_transition;
 #endif
-	unsigned int		lcd_fck_rate;
+	unsigned int		lcdc_clk_rate;
 	void (*panel_power_ctrl)(int);
 	u32 pseudo_palette[16];
 	struct fb_videomode	mode;
@@ -693,7 +693,7 @@ static int da8xx_fb_config_clk_divider(struct da8xx_fb_par *par,
 {
 	int ret;
 
-	if (par->lcd_fck_rate != lcdc_clk_rate) {
+	if (par->lcdc_clk_rate != lcdc_clk_rate) {
 		ret = clk_set_rate(par->lcdc_clk, lcdc_clk_rate);
 		if (IS_ERR_VALUE(ret)) {
 			dev_err(par->dev,
@@ -701,7 +701,7 @@ static int da8xx_fb_config_clk_divider(struct da8xx_fb_par *par,
 				lcdc_clk_rate);
 			return ret;
 		}
-		par->lcd_fck_rate = clk_get_rate(par->lcdc_clk);
+		par->lcdc_clk_rate = clk_get_rate(par->lcdc_clk);
 	}
 
 	/* Configure the LCD clock divisor. */
@@ -723,7 +723,7 @@ static unsigned int da8xx_fb_calc_clk_divider(struct da8xx_fb_par *par,
 
 	pixclock = PICOS2KHZ(pixclock) * 1000;
 
-	*lcdc_clk_rate = par->lcd_fck_rate;
+	*lcdc_clk_rate = par->lcdc_clk_rate;
 
 	if (pixclock < (*lcdc_clk_rate / CLK_MAX_DIV)) {
 		*lcdc_clk_rate = clk_round_rate(par->lcdc_clk,
@@ -1031,8 +1031,8 @@ static int lcd_da8xx_cpufreq_transition(struct notifier_block *nb,
 
 	par = container_of(nb, struct da8xx_fb_par, freq_transition);
 	if (val == CPUFREQ_POSTCHANGE) {
-		if (par->lcd_fck_rate != clk_get_rate(par->lcdc_clk)) {
-			par->lcd_fck_rate = clk_get_rate(par->lcdc_clk);
+		if (par->lcdc_clk_rate != clk_get_rate(par->lcdc_clk)) {
+			par->lcdc_clk_rate = clk_get_rate(par->lcdc_clk);
 			lcd_disable_raster(DA8XX_FRAME_WAIT);
 			da8xx_fb_calc_config_clk_divider(par, &par->mode);
 			if (par->blank == FB_BLANK_UNBLANK)
@@ -1327,8 +1327,8 @@ static int fb_probe(struct platform_device *device)
 	struct lcd_ctrl_config *lcd_cfg;
 	struct fb_videomode *lcdc_info;
 	struct fb_info *da8xx_fb_info;
-	struct clk *fb_clk = NULL;
 	struct da8xx_fb_par *par;
+	struct clk *tmp_lcdc_clk;
 	int ret;
 	unsigned long ulcm;
 
@@ -1346,10 +1346,10 @@ static int fb_probe(struct platform_device *device)
 	if (IS_ERR(da8xx_fb_reg_base))
 		return PTR_ERR(da8xx_fb_reg_base);
 
-	fb_clk = devm_clk_get(&device->dev, "fck");
-	if (IS_ERR(fb_clk)) {
+	tmp_lcdc_clk = devm_clk_get(&device->dev, "fck");
+	if (IS_ERR(tmp_lcdc_clk)) {
 		dev_err(&device->dev, "Can not get device clock\n");
-		return PTR_ERR(fb_clk);
+		return PTR_ERR(tmp_lcdc_clk);
 	}
 
 	pm_runtime_enable(&device->dev);
@@ -1389,8 +1389,8 @@ static int fb_probe(struct platform_device *device)
 
 	par = da8xx_fb_info->par;
 	par->dev = &device->dev;
-	par->lcdc_clk = fb_clk;
-	par->lcd_fck_rate = clk_get_rate(fb_clk);
+	par->lcdc_clk = tmp_lcdc_clk;
+	par->lcdc_clk_rate = clk_get_rate(par->lcdc_clk);
 	if (fb_pdata->panel_power_ctrl) {
 		par->panel_power_ctrl = fb_pdata->panel_power_ctrl;
 		par->panel_power_ctrl(1);