staging:iio: gpio build dependency fixing

Numerous drivers either had pointless includes of gpio.h
or should have been dependent on GENERIC_GPIO and were not.
Conversion of ads1210 to use array registration triggered
build failures that highlighted all was not well.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/iio/accel/Kconfig

@@ -67,6 +67,7 @@ config LIS3L02DQ
 	depends on SPI
 	select IIO_TRIGGER if IIO_BUFFER
 	depends on !IIO_BUFFER || IIO_KFIFO_BUF || IIO_SW_RING
+	depends on GENERIC_GPIO
 	help
 	  Say yes here to build SPI support for the ST microelectronics
 	  accelerometer. The driver supplies direct access via sysfs files

drivers/staging/iio/accel/adis16204_core.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/accel/sca3000_core.c

@@ -11,7 +11,6 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 #include <linux/fs.h>
 #include <linux/device.h>
 #include <linux/slab.h>
@@ -1167,7 +1166,7 @@ static int __devinit sca3000_probe(struct spi_device *spi)
 		iio_scan_mask_set(indio_dev->buffer, 2);
 	}
 
-	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) {
+	if (spi->irq) {
 		ret = request_threaded_irq(spi->irq,
 					   NULL,
 					   &sca3000_event_handler,
@@ -1184,7 +1183,7 @@ static int __devinit sca3000_probe(struct spi_device *spi)
 	return 0;
 
 error_free_irq:
-	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0)
+	if (spi->irq)
 		free_irq(spi->irq, indio_dev);
 error_unregister_ring:
 	iio_buffer_unregister(indio_dev);
@@ -1226,7 +1225,7 @@ static int sca3000_remove(struct spi_device *spi)
 	ret = sca3000_stop_all_interrupts(st);
 	if (ret)
 		return ret;
-	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0)
+	if (spi->irq)
 		free_irq(spi->irq, indio_dev);
 	iio_buffer_unregister(indio_dev);
 	sca3000_unconfigure_ring(indio_dev);

drivers/staging/iio/adc/Kconfig

@@ -150,6 +150,7 @@ config AD7746
 config AD7816
 	tristate "Analog Devices AD7816/7/8 temperature sensor and ADC driver"
 	depends on SPI
+	depends on GENERIC_GPIO
 	help
 	  Say yes here to build support for Analog Devices AD7816/7/8
 	  temperature sensors and ADC.

drivers/staging/iio/addac/Kconfig

@@ -5,6 +5,7 @@ menu "Analog digital bi-direction convertors"
 
 config ADT7316
 	tristate "Analog Devices ADT7316/7/8 ADT7516/7/9 temperature sensor, ADC and DAC driver"
+	depends on GENERIC_GPIO
 	help
 	  Say yes here to build support for Analog Devices ADT7316, ADT7317, ADT7318
 	  and ADT7516, ADT7517, ADT7519 temperature sensors, ADC and DAC.

drivers/staging/iio/dac/ad5504.c

@@ -7,7 +7,6 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 #include <linux/fs.h>
 #include <linux/device.h>
 #include <linux/kernel.h>

drivers/staging/iio/dac/ad5624r_spi.c

@@ -7,7 +7,6 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 #include <linux/fs.h>
 #include <linux/device.h>
 #include <linux/kernel.h>

drivers/staging/iio/dac/ad5686.c

@@ -7,7 +7,6 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 #include <linux/fs.h>
 #include <linux/device.h>
 #include <linux/module.h>

drivers/staging/iio/dac/ad5791.c

@@ -7,7 +7,6 @@
  */
 
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 #include <linux/fs.h>
 #include <linux/device.h>
 #include <linux/kernel.h>

drivers/staging/iio/gyro/adis16080_core.c

@@ -5,7 +5,6 @@
  *
  * Licensed under the GPL-2 or later.
  */
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/gyro/adis16260_core.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/gyro/adxrs450_core.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/magnetometer/Kconfig

@@ -6,6 +6,7 @@ menu "Magnetometer sensors"
 config SENSORS_AK8975
 	tristate "Asahi Kasei AK8975 3-Axis Magnetometer"
 	depends on I2C
+	depends on GENERIC_GPIO
 	help
 	  Say yes here to build support for Asahi Kasei AK8975 3-Axis
 	  Magnetometer.

drivers/staging/iio/meter/ade7753.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/meter/ade7754.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/meter/ade7758_core.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/meter/ade7759.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/meter/ade7854.c

@@ -8,7 +8,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/device.h>

drivers/staging/iio/resolver/Kconfig

@@ -13,6 +13,7 @@ config AD2S90
 config AD2S1200
 	tristate "Analog Devices ad2s1200/ad2s1205 driver"
 	depends on SPI
+	depends on GENERIC_GPIO
 	help
 	  Say yes here to build support for Analog Devices spi resolver
 	  to digital converters, ad2s1200 and ad2s1205, provides direct access
@@ -21,6 +22,7 @@ config AD2S1200
 config AD2S1210
 	tristate "Analog Devices ad2s1210 driver"
 	depends on SPI
+	depends on GENERIC_GPIO
 	help
 	  Say yes here to build support for Analog Devices spi resolver
 	  to digital converters, ad2s1210, provides direct access via sysfs.