[PATCH 4/5] W1: Add pinctrl support to MXC onewire master.
Martin Fuzzey
mfuzzey at parkeon.com
Wed Jan 16 04:48:29 EST 2013
Signed-off-by: Martin Fuzzey <mfuzzey at parkeon.com>
---
drivers/w1/masters/mxc_w1.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index 949e566..7454938 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -24,6 +24,7 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/pinctrl/consumer.h>
#include "../w1.h"
#include "../w1_int.h"
@@ -107,6 +108,7 @@ static int mxc_w1_probe(struct platform_device *pdev)
{
struct mxc_w1_device *mdev;
struct resource *res;
+ struct pinctrl *pinctrl;
int err = 0;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -117,6 +119,13 @@ static int mxc_w1_probe(struct platform_device *pdev)
if (!mdev)
return -ENOMEM;
+ pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+ if (IS_ERR(pinctrl)) {
+ err = PTR_ERR(pinctrl);
+ dev_err(&pdev->dev, "failed to get default pinctrl: %d\n", err);
+ goto failed_pin;
+ }
+
mdev->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(mdev->clk)) {
err = PTR_ERR(mdev->clk);
@@ -159,6 +168,7 @@ failed_ioremap:
release_mem_region(res->start, resource_size(res));
failed_req:
clk_put(mdev->clk);
+failed_pin:
failed_clk:
kfree(mdev);
return err;
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