gpio: exar: Fix iomap request

The UART driver already maps the resource for us. Trying to do this here
only fails and leaves us with a non-working device.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index 139d54008ad0c2790b78abadce219b2ebb975342..f3585a184f392d1a25f193ee43e81dec748ee7b6 100644 (file)
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -125,14 +125,10 @@ static int gpio_exar_probe(struct platform_device *pdev)
        int index, ret;
 
        /*
-        * Map the pci device to get the register addresses.
-        * We will need to read and write those registers to control
-        * the GPIO pins.
-        * Using managed functions will save us from unmaping on exit.
-        * As the device is enabled using managed functions by the
-        * UART driver we can also use managed functions here.
+        * The UART driver must have mapped region 0 prior to registering this
+        * device - use it.
         */
-       p = pcim_iomap(pcidev, 0, 0);
+       p = pcim_iomap_table(pcidev)[0];
        if (!p)
                return -ENOMEM;