gpio: bd7181x - compile fix - do not use dev from gpiochip

dev pointer was removed from struct gpiochip. Use gpiochip
data instead of parent's devdata. At the same time we can use
devm and drop the unnecessary remove. Untested - just fixing
compilation.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>

Author: M-Vaittinen

drivers/gpio/gpio-bd7181x.c

@@ -23,7 +23,8 @@
 #include <linux/init.h>
 #include <linux/kthread.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
+//#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 #include <linux/platform_device.h>
 #include <linux/of.h>
 
@@ -40,7 +41,8 @@ static struct gpio_chip bd7181xgpo_chip;
  */
 static int bd7181xgpo_get(struct gpio_chip *chip, unsigned offset)
 {
-	struct bd7181x *bd7181x = dev_get_drvdata(chip->dev->parent);
+	//struct bd7181x *bd7181x = dev_get_drvdata(chip->gpiodev->dev->parent);
+	struct bd7181x *bd7181x = gpiochip_get_data(chip);
 	int ret = 0;
 
 	ret = bd7181x_reg_read(bd7181x, BD7181X_REG_GPO);
@@ -72,7 +74,8 @@ static int bd7181xgpo_direction_out(struct gpio_chip *chip, unsigned offset,
  */
 static void bd7181xgpo_set(struct gpio_chip *chip, unsigned offset, int value)
 {
-	struct bd7181x *bd7181x = dev_get_drvdata(chip->dev->parent);
+	//struct bd7181x *bd7181x = dev_get_drvdata(chip->gpiodev->dev->parent);
+	struct bd7181x *bd7181x = gpiochip_get_data(chip);
 	int ret;
 	u8 gpoctl;
 
@@ -155,9 +158,12 @@ static int gpo_bd7181x_probe(struct platform_device *pdev)
 
 	bd7181xgpo_chip.ngpio = 2;	/* bd71815/bd71817 have 2 GPO */
 
-	bd7181xgpo_chip.dev = &pdev->dev;
+//	bd7181xgpo_chip.dev = &pdev->dev;
+	bd7181xgpo_chip.parent = pdev->dev.parent;
 
-	ret = gpiochip_add(&bd7181xgpo_chip);
+//	ret = gpiochip_add(&bd7181xgpo_chip);
+	ret = devm_gpiochip_add_data(&pdev->dev, &bd7181xgpo_chip,
+				     bd7181x);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "could not register gpiochip, %d\n", ret);
 		bd7181xgpo_chip.ngpio = 0;
@@ -171,16 +177,6 @@ static int gpo_bd7181x_probe(struct platform_device *pdev)
 	return ret;
 }
 
-/** @brief remove bd7181x gpo device
- * @param pdev platfrom device pointer
- * @retval 0 success
- * @retval negative error number
- */
-static int gpo_bd7181x_remove(struct platform_device *pdev)
-{
-	return gpiochip_remove(&bd7181xgpo_chip);
-}
-
 /* Note:  this hardware lives inside an I2C-based multi-function device. */
 MODULE_ALIAS("platform:bd7181x-gpo");
 
@@ -191,7 +187,6 @@ static struct platform_driver gpo_bd7181x_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= gpo_bd7181x_probe,
-	.remove		= gpo_bd7181x_remove,
 };
 
 module_platform_driver(gpo_bd7181x_driver);