pinctrl: mxs: skip gpio nodes for group creation

The recent added mxs gpio device tree bindings require gpio nodes
defined under pinctrl node too.  The pinctrl-mxs driver should skip
these node for group parsing and creating.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c
index 787ae7bb7dc3..ab63d3851f27 100644
--- a/drivers/pinctrl/pinctrl-mxs.c
+++ b/drivers/pinctrl/pinctrl-mxs.c
@@ -393,6 +393,7 @@ static int __devinit mxs_pinctrl_probe_dt(struct platform_device *pdev,
         struct device_node *np = pdev->dev.of_node;
         struct device_node *child;
         struct mxs_function *f;
+        const char *gpio_compat = "fsl,mxs-gpio";
         const char *fn, *fnull = "";
         int i = 0, idxf = 0, idxg = 0;
         int ret;
@@ -407,6 +408,8 @@ static int __devinit mxs_pinctrl_probe_dt(struct platform_device *pdev,
         /* Count total functions and groups */
         fn = fnull;
         for_each_child_of_node(np, child) {
+                if (of_device_is_compatible(child, gpio_compat))
+                        continue;
                 soc->ngroups++;
                 /* Skip pure pinconf node */
                 if (of_property_read_u32(child, "reg", &val))
@@ -431,6 +434,8 @@ static int __devinit mxs_pinctrl_probe_dt(struct platform_device *pdev,
         fn = fnull;
         f = &soc->functions[idxf];
         for_each_child_of_node(np, child) {
+                if (of_device_is_compatible(child, gpio_compat))
+                        continue;
                 if (of_property_read_u32(child, "reg", &val))
                         continue;
                 if (strcmp(fn, child->name)) {
@@ -444,6 +449,8 @@ static int __devinit mxs_pinctrl_probe_dt(struct platform_device *pdev,
         idxf = 0;
         fn = fnull;
         for_each_child_of_node(np, child) {
+                if (of_device_is_compatible(child, gpio_compat))
+                        continue;
                 if (of_property_read_u32(child, "reg", &val)) {
                         ret = mxs_pinctrl_parse_group(pdev, child,
                                                       idxg++, NULL);