[ARM] Convert request_irq+set_irq_type to request_irq with SA_TRIGGER

There's no need to have request_irq followed by set_irq_type.
Just use request_irq with the appropriate SA_TRIGGER flags.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/input/touchscreen/ads7846.c

@@ -29,9 +29,6 @@
 #ifdef	CONFIG_ARCH_OMAP
 #include <asm/arch/gpio.h>
 #endif
-
-#else
-#define	set_irq_type(irq,type)	do{}while(0)
 #endif
 
 
@@ -509,14 +506,14 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 	ts->msg.complete = ads7846_rx;
 	ts->msg.context = ts;
 
-	if (request_irq(spi->irq, ads7846_irq, SA_SAMPLE_RANDOM,
+	if (request_irq(spi->irq, ads7846_irq,
+			SA_SAMPLE_RANDOM | SA_TRIGGER_FALLING,
 			spi->dev.bus_id, ts)) {
 		dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
 		input_unregister_device(&ts->input);
 		kfree(ts);
 		return -EBUSY;
 	}
-	set_irq_type(spi->irq, IRQT_FALLING);
 
 	dev_info(&spi->dev, "touchscreen, irq %d\n", spi->irq);
 

drivers/serial/imx.c

@@ -402,10 +402,10 @@ static int imx_startup(struct uart_port *port)
 			     DRIVER_NAME, sport);
 	if (retval) goto error_out2;
 
-	retval = request_irq(sport->rtsirq, imx_rtsint, 0,
+	retval = request_irq(sport->rtsirq, imx_rtsint,
+			     SA_TRIGGER_FALLING | SA_TRIGGER_RISING,
 			     DRIVER_NAME, sport);
 	if (retval) goto error_out3;
-	set_irq_type(sport->rtsirq, IRQT_BOTHEDGE);
 
 	/*
 	 * Finally, clear and enable interrupts