mrf24j40: pinctrl support

Activate pinctrl settings when used with a DT system.

Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index 3f2c7aa..3106895 100644 (file)
--- 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;