iio: adc: move qcom-vadc-common.h to include dir

qcom-vadc-common module will be used by ADC thermal monitoring driver,
so move it to global include dir.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20201204025509.1075506-6-dmitry.baryshkov@linaro.orgSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/qcom-pm8xxx-xoadc.c

@@ -10,6 +10,7 @@
  * Author: Linus Walleij <linus.walleij@linaro.org>
  */
 
+#include <linux/iio/adc/qcom-vadc-common.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/module.h>
@@ -21,8 +22,6 @@
 #include <linux/interrupt.h>
 #include <linux/regulator/consumer.h>
 
-#include "qcom-vadc-common.h"
-
 /*
  * Definitions for the "user processor" registers lifted from the v3.4
  * Qualcomm tree. Their kernel has two out-of-tree drivers for the ADC:

drivers/iio/adc/qcom-spmi-adc5.c

@@ -7,6 +7,7 @@
 #include <linux/completion.h>
 #include <linux/delay.h>
 #include <linux/err.h>
+#include <linux/iio/adc/qcom-vadc-common.h>
 #include <linux/iio/iio.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
@@ -19,7 +20,6 @@
 #include <linux/slab.h>
 
 #include <dt-bindings/iio/qcom,spmi-vadc.h>
-#include "qcom-vadc-common.h"
 
 #define ADC5_USR_REVISION1			0x0
 #define ADC5_USR_STATUS1			0x8

drivers/iio/adc/qcom-spmi-vadc.c

@@ -7,6 +7,7 @@
 #include <linux/completion.h>
 #include <linux/delay.h>
 #include <linux/err.h>
+#include <linux/iio/adc/qcom-vadc-common.h>
 #include <linux/iio/iio.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
@@ -20,8 +21,6 @@
 
 #include <dt-bindings/iio/qcom,spmi-vadc.h>
 
-#include "qcom-vadc-common.h"
-
 /* VADC register and bit definitions */
 #define VADC_REVISION2				0x1
 #define VADC_REVISION2_SUPPORTED_VADC		1

drivers/iio/adc/qcom-vadc-common.c

@@ -3,14 +3,13 @@
 #include <linux/kernel.h>
 #include <linux/bitops.h>
 #include <linux/fixp-arith.h>
+#include <linux/iio/adc/qcom-vadc-common.h>
 #include <linux/math64.h>
 #include <linux/log2.h>
 #include <linux/err.h>
 #include <linux/module.h>
 #include <linux/units.h>
 
-#include "qcom-vadc-common.h"
-
 /* Voltage to temperature */
 static const struct vadc_map_pt adcmap_100k_104ef_104fb[] = {
 	{1758,	-40},

drivers/iio/adc/qcom-vadc-common.h → include/linux/iio/adc/qcom-vadc-common.h

@@ -6,6 +6,8 @@
 #ifndef QCOM_VADC_COMMON_H
 #define QCOM_VADC_COMMON_H
 
+#include <linux/types.h>
+
 #define VADC_CONV_TIME_MIN_US			2000
 #define VADC_CONV_TIME_MAX_US			2100