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pwm: pwm-tiehrpwm: pinctrl support

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Enable pinctrl for pwm-tiehrpwm if pinctrl driver available, else
bail out with warning message.

Signed-off-by: Philip, Avinash <avinashphilip@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
This commit is contained in:
Philip, Avinash 2012-11-27 14:18:14 +05:30 committed by Thierry Reding
parent 53ad9e8d37
commit 98ccf49daf
1 changed files with 6 additions and 0 deletions
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6
drivers/pwm/pwm-tiehrpwm.c
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@ -26,6 +26,7 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
#include "pwm-tipwmss.h" #include "pwm-tipwmss.h"
@ -415,6 +416,11 @@ static int __devinit ehrpwm_pwm_probe(struct platform_device *pdev)
struct clk *clk; struct clk *clk;
struct ehrpwm_pwm_chip *pc; struct ehrpwm_pwm_chip *pc;
u16 status; u16 status;
struct pinctrl *pinctrl;
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl))
dev_warn(&pdev->dev, "unable to select pin group\n");
pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
if (!pc) { if (!pc) {