can: mcp251x: Eliminate irq_flags from driver platform_data

Flags is not used by boards, so remove this field from the driver
platform_data.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/mcp251x.c

@@ -935,8 +935,7 @@ static int mcp251x_open(struct net_device *net)
 {
 	struct mcp251x_priv *priv = netdev_priv(net);
 	struct spi_device *spi = priv->spi;
-	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
-	unsigned long flags;
+	unsigned long flags = IRQF_ONESHOT | IRQF_TRIGGER_FALLING;
 	int ret;
 
 	ret = open_candev(net);
@@ -952,12 +951,6 @@ static int mcp251x_open(struct net_device *net)
 	priv->tx_skb = NULL;
 	priv->tx_len = 0;
 
-	flags = IRQF_ONESHOT;
-	if (pdata->irq_flags)
-		flags |= pdata->irq_flags;
-	else
-		flags |= IRQF_TRIGGER_FALLING;
-
 	ret = request_threaded_irq(spi->irq, NULL, mcp251x_can_ist,
 				   flags, DEVICE_NAME, priv);
 	if (ret) {

include/linux/can/platform/mcp251x.h

@@ -12,12 +12,10 @@
 /*
  * struct mcp251x_platform_data - MCP251X SPI CAN controller platform data
  * @oscillator_frequency:       - oscillator frequency in Hz
- * @irq_flags:                  - IRQF configuration flags
  */
 
 struct mcp251x_platform_data {
 	unsigned long oscillator_frequency;
-	unsigned long irq_flags;
 };
 
 #endif /* __CAN_PLATFORM_MCP251X_H__ */