[PATCH] gpio: mxc: fix build error introduced by pin_ranges

[Deepak Das <deepak_das@xxxxxxxxxx>]

'commit 964a7e51240df ("gpio: mxc: Shift
generic request/free after gpiochip registration")'
introduced a build error because pin_ranges now moved to
struct gpio_device.

This commit fixes this build error by dereferencing gpio_device
inside struct gpio_chip for pin_ranges.

Signed-off-by: Deepak Das <deepak_das@xxxxxxxxxx>
---
 drivers/gpio/gpio-mxc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 9f79a9f..3128dad 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -36,6 +36,8 @@
 #include <linux/of_device.h>
 #include <linux/bug.h>
 
+#include "gpiolib.h"
+
 enum mxc_gpio_hwtype {
 	IMX1_GPIO,	/* runs on i.mx1 */
 	IMX21_GPIO,	/* runs on i.mx21 and i.mx27 */
@@ -466,7 +468,7 @@ static int mxc_gpio_probe(struct platform_device *pdev)
 	if (err)
 		goto out_bgio;
 
-	if (!list_empty(&port->gc.pin_ranges)) {
+	if (!list_empty(&port->gc.gpiodev->pin_ranges)) {
 		port->gc.request = gpiochip_generic_request;
 		port->gc.free = gpiochip_generic_free;
 	}
-- 
1.9.1

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