iio: adc: Fix build error discovered by 0-day build bot
men_z188_adc needs to include linux/io.h. This fixes a build error
discovered by 0-day buid bot
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c
index 7036503..6989c16 100644
--- a/drivers/iio/adc/men_z188_adc.c
+++ b/drivers/iio/adc/men_z188_adc.c
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mcb.h>
+#include <linux/io.h>
#include <linux/iio/iio.h>
#define Z188_ADC_MAX_CHAN 8