gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells

The of_gpio_n_cells default is 2 when ->of_xlate() callback is
not defined. No need to assign it explicitly in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 2fc6b6ff7f1651db2274740a9233f09261b70395..e248809965ca5a86b1affa7c5a6def49f959be11 100644 (file)
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -558,7 +558,6 @@ static int xgpio_probe(struct platform_device *pdev)
        int status = 0;
        struct device_node *np = pdev->dev.of_node;
        u32 is_dual = 0;
-       u32 cells = 2;
        u32 width[2];
        u32 state[2];
        u32 dir[2];
@@ -591,15 +590,6 @@ static int xgpio_probe(struct platform_device *pdev)
 
        bitmap_from_arr32(chip->dir, dir, 64);
 
-       /* Update cells with gpio-cells value */
-       if (of_property_read_u32(np, "#gpio-cells", &cells))
-               dev_dbg(&pdev->dev, "Missing gpio-cells property\n");
-
-       if (cells != 2) {
-               dev_err(&pdev->dev, "#gpio-cells mismatch\n");
-               return -EINVAL;
-       }
-
        /*
         * Check device node and parent device node for device width
         * and assume default width of 32
@@ -630,7 +620,6 @@ static int xgpio_probe(struct platform_device *pdev)
        chip->gc.parent = &pdev->dev;
        chip->gc.direction_input = xgpio_dir_in;
        chip->gc.direction_output = xgpio_dir_out;
-       chip->gc.of_gpio_n_cells = cells;
        chip->gc.get = xgpio_get;
        chip->gc.set = xgpio_set;
        chip->gc.request = xgpio_request;