staging:iio: Move ad7793 driver out of staging

The driver does not expose any custom API to userspace and none of the standard
static code checker tools report any issues, so move it out of staging.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/adc/Kconfig

@@ -42,6 +42,18 @@ config AD7791
 	  To compile this driver as a module, choose M here: the module will be
 	  called ad7791.
 
+config AD7793
+	tristate "Analog Devices AD7793 and similar ADCs driver"
+	depends on SPI
+	select AD_SIGMA_DELTA
+	help
+	  Say yes here to build support for Analog Devices AD7785, AD7792, AD7793,
+	  AD7794 and AD7795 SPI analog to digital converters (ADC).
+	  If unsure, say N (but it's safe to say "Y").
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called AD7793.
+
 config AD7476
 	tristate "Analog Devices AD7476 and similar 1-channel ADCs driver"
 	depends on SPI

drivers/iio/adc/Makefile

@@ -7,6 +7,7 @@ obj-$(CONFIG_AD7266) += ad7266.o
 obj-$(CONFIG_AD7298) += ad7298.o
 obj-$(CONFIG_AD7476) += ad7476.o
 obj-$(CONFIG_AD7791) += ad7791.o
+obj-$(CONFIG_AD7793) += ad7793.o
 obj-$(CONFIG_AD7887) += ad7887.o
 obj-$(CONFIG_AT91_ADC) += at91_adc.o
 obj-$(CONFIG_LP8788_ADC) += lp8788_adc.o

drivers/iio/adc/ad7793.c

@@ -25,8 +25,7 @@
 #include <linux/iio/trigger_consumer.h>
 #include <linux/iio/triggered_buffer.h>
 #include <linux/iio/adc/ad_sigma_delta.h>
-
-#include "ad7793.h"
+#include <linux/platform_data/ad7793.h>
 
 /* Registers */
 #define AD7793_REG_COMM		0 /* Communications Register (WO, 8-bit) */

drivers/staging/iio/adc/Kconfig

@@ -70,18 +70,6 @@ config AD7780
 	  To compile this driver as a module, choose M here: the
 	  module will be called ad7780.
 
-config AD7793
-	tristate "Analog Devices AD7793 and similar ADCs driver"
-	depends on SPI
-	select AD_SIGMA_DELTA
-	help
-	  Say yes here to build support for Analog Devices AD7785, AD7792, AD7793,
-	  AD7794 and AD7795 SPI analog to digital converters (ADC).
-	  If unsure, say N (but it's safe to say "Y").
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called AD7793.
-
 config AD7816
 	tristate "Analog Devices AD7816/7/8 temperature sensor and ADC driver"
 	depends on SPI

drivers/staging/iio/adc/Makefile

@@ -14,7 +14,6 @@ obj-$(CONFIG_AD799X) += ad799x.o
 
 obj-$(CONFIG_AD7291) += ad7291.o
 obj-$(CONFIG_AD7780) += ad7780.o
-obj-$(CONFIG_AD7793) += ad7793.o
 obj-$(CONFIG_AD7816) += ad7816.o
 obj-$(CONFIG_AD7192) += ad7192.o
 obj-$(CONFIG_ADT7410) += adt7410.o

include/linux/platform_data/ad7793.h

@@ -5,12 +5,8 @@
  *
  * Licensed under the GPL-2.
  */
-#ifndef IIO_ADC_AD7793_H_
-#define IIO_ADC_AD7793_H_
-
-/*
- * TODO: struct ad7793_platform_data needs to go into include/linux/iio
- */
+#ifndef __LINUX_PLATFORM_DATA_AD7793_H__
+#define __LINUX_PLATFORM_DATA_AD7793_H__
 
 /**
  * enum ad7793_clock_source - AD7793 clock source selection