[PATCH] gpio: mxs: fix Wvoid-pointer-to-enum-cast warning

[Krzysztof Kozlowski]

'devid' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:

  gpio-mxs.c:274:16: error: cast to smaller integer type 'enum mxs_gpio_id' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
 drivers/gpio/gpio-mxs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 8e04c9c4b5a2..024ad077e98d 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -271,7 +271,7 @@ static int mxs_gpio_probe(struct platform_device *pdev)
 	port->id = of_alias_get_id(np, "gpio");
 	if (port->id < 0)
 		return port->id;
-	port->devid = (enum mxs_gpio_id)of_device_get_match_data(&pdev->dev);
+	port->devid = (uintptr_t)of_device_get_match_data(&pdev->dev);
 	port->dev = &pdev->dev;
 	port->irq = platform_get_irq(pdev, 0);
 	if (port->irq < 0)
-- 
2.34.1