ARM: OMAP: fix the ads7846 init code

In case a board provides the gpio_pendown and not board_pdata,
the GPIO debounce is not taken care of.
Fix this by taking care of GPIO debounce in any case.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/common-board-devices.c

@@ -63,17 +63,14 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
 	struct spi_board_info *spi_bi = &ads7846_spi_board_info;
 	int err;
 
-	if (board_pdata && board_pdata->get_pendown_state) {
 	err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
 	if (err) {
 		pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
 		return;
 	}
-		gpio_export(gpio_pendown, 0);
 
 	if (gpio_debounce)
 		gpio_set_debounce(gpio_pendown, gpio_debounce);
-	}
 
 	spi_bi->bus_num	= bus_num;
 	spi_bi->irq	= gpio_to_irq(gpio_pendown);
@@ -81,10 +78,15 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
 	if (board_pdata) {
 		board_pdata->gpio_pendown = gpio_pendown;
 		spi_bi->platform_data = board_pdata;
+		if (board_pdata->get_pendown_state)
+			gpio_export(gpio_pendown, 0);
 	} else {
 		ads7846_config.gpio_pendown = gpio_pendown;
 	}
 
+	if (!board_pdata || (board_pdata && !board_pdata->get_pendown_state))
+		gpio_free(gpio_pendown);
+
 	spi_register_board_info(&ads7846_spi_board_info, 1);
 }
 #else