linux-kernel - [PATCH v5 09/12] pwm: pwm-tiehrpwm: pinctrl support

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Message-ID: <1354006097-25895-10-git-send-email-avinashphilip@ti.com>
Date:	Tue, 27 Nov 2012 14:18:14 +0530
From:	"Philip, Avinash" <avinashphilip@...com>
To:	<thierry.reding@...onic-design.de>, <paul@...an.com>,
	<tony@...mide.com>, <linux@....linux.org.uk>, <b-cousson@...com>
CC:	<hvaibhav@...com>, <anilkumar@...com>,
	<linux-kernel@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <nsekhar@...com>,
	<gururaja.hebbar@...com>, <vaibhav.bedia@...com>,
	"Philip, Avinash" <avinashphilip@...com>
Subject: [PATCH v5 09/12] pwm: pwm-tiehrpwm: pinctrl support

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

Signed-off-by: Philip, Avinash <avinashphilip@...com>
---
Changes since v4:
	- Changes warning message.

 drivers/pwm/pwm-tiehrpwm.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index d3194c0..e8683bc 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -26,6 +26,7 @@
 #include <linux/clk.h>
 #include <linux/pm_runtime.h>
 #include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
 
 #include "pwm-tipwmss.h"
 
@@ -415,6 +416,11 @@ static int __devinit ehrpwm_pwm_probe(struct platform_device *pdev)
 	struct clk *clk;
 	struct ehrpwm_pwm_chip *pc;
 	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);
 	if (!pc) {
-- 
1.7.0.4

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