mfd: wm831x: Remove redundant !pdata checks

Since a copy of the pdata was added into the core struct in
commit f6dd8449 ("mfd: wm831x: Add basic device tree binding")
the pdata pointer in probe can no longer be NULL. As such remove
the redundant checks for this case.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/wm831x-core.c

@@ -1766,7 +1766,7 @@ int wm831x_device_init(struct wm831x *wm831x, int irq)
 	}
 	wm831x->locked = 1;
 
-	if (pdata && pdata->pre_init) {
+	if (pdata->pre_init) {
 		ret = pdata->pre_init(wm831x);
 		if (ret != 0) {
 			dev_err(wm831x->dev, "pre_init() failed: %d\n", ret);
@@ -1774,19 +1774,17 @@ int wm831x_device_init(struct wm831x *wm831x, int irq)
 		}
 	}
 
-	if (pdata) {
-		for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
-			if (!pdata->gpio_defaults[i])
-				continue;
+	for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
+		if (!pdata->gpio_defaults[i])
+			continue;
 
-			wm831x_reg_write(wm831x,
-					 WM831X_GPIO1_CONTROL + i,
-					 pdata->gpio_defaults[i] & 0xffff);
-		}
+		wm831x_reg_write(wm831x,
+				 WM831X_GPIO1_CONTROL + i,
+				 pdata->gpio_defaults[i] & 0xffff);
 	}
 
 	/* Multiply by 10 as we have many subdevices of the same type */
-	if (pdata && pdata->wm831x_num)
+	if (pdata->wm831x_num)
 		wm831x_num = pdata->wm831x_num * 10;
 	else
 		wm831x_num = -1;
@@ -1809,7 +1807,7 @@ int wm831x_device_init(struct wm831x *wm831x, int irq)
 		ret = mfd_add_devices(wm831x->dev, wm831x_num,
 				      wm8311_devs, ARRAY_SIZE(wm8311_devs),
 				      NULL, 0, NULL);
-		if (!pdata || !pdata->disable_touch)
+		if (!pdata->disable_touch)
 			mfd_add_devices(wm831x->dev, wm831x_num,
 					touch_devs, ARRAY_SIZE(touch_devs),
 					NULL, 0, NULL);
@@ -1819,7 +1817,7 @@ int wm831x_device_init(struct wm831x *wm831x, int irq)
 		ret = mfd_add_devices(wm831x->dev, wm831x_num,
 				      wm8312_devs, ARRAY_SIZE(wm8312_devs),
 				      NULL, 0, NULL);
-		if (!pdata || !pdata->disable_touch)
+		if (!pdata->disable_touch)
 			mfd_add_devices(wm831x->dev, wm831x_num,
 					touch_devs, ARRAY_SIZE(touch_devs),
 					NULL, 0, NULL);
@@ -1865,7 +1863,7 @@ int wm831x_device_init(struct wm831x *wm831x, int irq)
 		dev_info(wm831x->dev, "32.768kHz clock disabled, no RTC\n");
 	}
 
-	if (pdata && pdata->backlight) {
+	if (pdata->backlight) {
 		/* Treat errors as non-critical */
 		ret = mfd_add_devices(wm831x->dev, wm831x_num, backlight_devs,
 				      ARRAY_SIZE(backlight_devs), NULL,
@@ -1877,7 +1875,7 @@ int wm831x_device_init(struct wm831x *wm831x, int irq)
 
 	wm831x_otp_init(wm831x);
 
-	if (pdata && pdata->post_init) {
+	if (pdata->post_init) {
 		ret = pdata->post_init(wm831x);
 		if (ret != 0) {
 			dev_err(wm831x->dev, "post_init() failed: %d\n", ret);