linux-kernel - [PATCH 1/4] mrf24j40: pinctrl support

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Date:	Mon, 18 Mar 2013 18:06:40 -0400
From:	Alan Ott <alan@...nal11.us>
To:	linux-zigbee-devel@...ts.sourceforge.net, netdev@...r.kernel.org
Cc:	Alexander Smirnov <alex.bluesman.smirnov@...il.com>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	linux-kernel@...r.kernel.org, Alan Ott <alan@...nal11.us>
Subject: [PATCH 1/4] mrf24j40: pinctrl support

Activate pinctrl settings when used with a DT system.

Signed-off-by: Alan Ott <alan@...nal11.us>
---
 drivers/net/ieee802154/mrf24j40.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index 3f2c7aa..3106895 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -22,6 +22,7 @@
 #include <linux/spi/spi.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/pinctrl/consumer.h>
 #include <net/wpan-phy.h>
 #include <net/mac802154.h>
 
@@ -623,6 +624,7 @@ static int mrf24j40_probe(struct spi_device *spi)
 	int ret = -ENOMEM;
 	u8 val;
 	struct mrf24j40 *devrec;
+	struct pinctrl *pinctrl;
 
 	printk(KERN_INFO "mrf24j40: probe(). IRQ: %d\n", spi->irq);
 
@@ -633,6 +635,11 @@ static int mrf24j40_probe(struct spi_device *spi)
 	if (!devrec->buf)
 		goto err_buf;
 
+	pinctrl = devm_pinctrl_get_select_default(&spi->dev);
+	if (IS_ERR(pinctrl))
+		dev_warn(&spi->dev,
+			"pinctrl pins are not configured from the driver");
+
 	spi->mode = SPI_MODE_0; /* TODO: Is this appropriate for right here? */
 	if (spi->max_speed_hz > MAX_SPI_SPEED_HZ)
 		spi->max_speed_hz = MAX_SPI_SPEED_HZ;
-- 
1.7.11.2

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