Input: ad7877, ad7879 - remove depreciated IRQF_SAMPLE_RANDOM flag

This patch removes depreciated IRQF_SAMPLE_RANDOM flags from
ad7877 and ad7879 touchscreen drivers.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/touchscreen/ad7877.c

@@ -736,8 +736,8 @@ static int __devinit ad7877_probe(struct spi_device *spi)
 
 	/* Request AD7877 /DAV GPIO interrupt */
 
-	err = request_irq(spi->irq, ad7877_irq, IRQF_TRIGGER_FALLING |
-			IRQF_SAMPLE_RANDOM, spi->dev.driver->name, ts);
+	err = request_irq(spi->irq, ad7877_irq, IRQF_TRIGGER_FALLING,
+			spi->dev.driver->name, ts);
 	if (err) {
 		dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
 		goto err_free_mem;

drivers/input/touchscreen/ad7879.c

@@ -448,8 +448,7 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
 	ad7879_setup(ts);
 
 	err = request_irq(bus->irq, ad7879_irq,
-			  IRQF_TRIGGER_FALLING | IRQF_SAMPLE_RANDOM,
-			  bus->dev.driver->name, ts);
+			  IRQF_TRIGGER_FALLING, bus->dev.driver->name, ts);
 
 	if (err) {
 		dev_err(&bus->dev, "irq %d busy?\n", bus->irq);