pinctrl: equilibrium: Use temporary variable to hold pins
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Wed, 29 Nov 2023 16:06:27 +0000 (18:06 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Fri, 1 Dec 2023 14:00:14 +0000 (15:00 +0100)
The pins are allocated from the heap, but in order to pass
them as constant object, we need to use non-constant pointer.
Achieve this by using a temporary variable.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231129161459.1002323-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/pinctrl/pinctrl-equilibrium.c

index 54755b583d3fa8a787f533a5a4025140b093952e..fd59cfdeeface5817c906cd54f4036f53888e566 100644 (file)
@@ -704,7 +704,7 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
 {
        struct device *dev = drvdata->dev;
        struct device_node *node = dev->of_node;
-       unsigned int *pinmux, pin_id, pinmux_id;
+       unsigned int *pins, *pinmux, pin_id, pinmux_id;
        struct group_desc group;
        struct device_node *np;
        struct property *prop;
@@ -723,15 +723,14 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
                }
                group.num_pins = err;
                group.name = prop->value;
-               group.pins = devm_kcalloc(dev, group.num_pins,
-                                         sizeof(*(group.pins)), GFP_KERNEL);
-               if (!group.pins) {
+               pins = devm_kcalloc(dev, group.num_pins, sizeof(*pins), GFP_KERNEL);
+               if (!pins) {
                        of_node_put(np);
                        return -ENOMEM;
                }
+               group.pins = pins;
 
-               pinmux = devm_kcalloc(dev, group.num_pins, sizeof(*pinmux),
-                                     GFP_KERNEL);
+               pinmux = devm_kcalloc(dev, group.num_pins, sizeof(*pinmux), GFP_KERNEL);
                if (!pinmux) {
                        of_node_put(np);
                        return -ENOMEM;
@@ -750,7 +749,7 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
                                of_node_put(np);
                                return -EINVAL;
                        }
-                       group.pins[j] = pin_id;
+                       pins[j] = pin_id;
                        if (of_property_read_u32_index(np, "pinmux", j, &pinmux_id)) {
                                dev_err(dev, "Group %s: Read intel pinmux id failed\n",
                                        group.name);