[PATCH 2/2] pinctrl: mxs: skip gpio nodes for group creation
Shawn Guo
shawn.guo at linaro.org
Sun May 13 11:19:01 EDT 2012
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 at linaro.org>
---
drivers/pinctrl/pinctrl-mxs.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c
index 787ae7b..ab63d38 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);
--
1.7.5.4
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