can: mcp251x: Make use of device property API

Make use of device property API in this driver so that both OF based
system and ACPI based system can use this driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
index b5d7082..e088549 100644 (file)
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -33,8 +33,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/property.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/spi/spi.h>
@@ -894,7 +893,7 @@ static int mcp251x_open(struct net_device *net)
        priv->tx_skb = NULL;
        priv->tx_len = 0;
 
-       if (!spi->dev.of_node)
+       if (!dev_fwnode(&spi->dev))
                flags = IRQF_TRIGGER_FALLING;
 
        ret = request_threaded_irq(spi->irq, NULL, mcp251x_can_ist,
@@ -986,8 +985,7 @@ MODULE_DEVICE_TABLE(spi, mcp251x_id_table);
 
 static int mcp251x_can_probe(struct spi_device *spi)
 {
-       const struct of_device_id *of_id = of_match_device(mcp251x_of_match,
-                                                          &spi->dev);
+       const void *match = device_get_match_data(&spi->dev);
        struct mcp251x_platform_data *pdata = dev_get_platdata(&spi->dev);
        struct net_device *net;
        struct mcp251x_priv *priv;
@@ -1024,8 +1022,8 @@ static int mcp251x_can_probe(struct spi_device *spi)
        priv->can.clock.freq = freq / 2;
        priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES |
                CAN_CTRLMODE_LOOPBACK | CAN_CTRLMODE_LISTENONLY;
-       if (of_id)
-               priv->model = (enum mcp251x_model)of_id->data;
+       if (match)
+               priv->model = (enum mcp251x_model)match;
        else
                priv->model = spi_get_device_id(spi)->driver_data;
        priv->net = net;