iio: Make available scan_masks const in ad7266

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

diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 5bfed2398b7080f580de80fbf7884cb70f66fc9f..c304966a4f6092c8741ea7a3361cc2dec5edb906 100644 (file)
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -293,7 +293,7 @@ static const struct iio_info ad7266_info = {
        .driver_module = THIS_MODULE,
 };
 
-static unsigned long ad7266_available_scan_masks[] = {
+static const unsigned long ad7266_available_scan_masks[] = {
        0x003,
        0x00c,
        0x030,
@@ -303,14 +303,14 @@ static unsigned long ad7266_available_scan_masks[] = {
        0x000,
 };
 
-static unsigned long ad7266_available_scan_masks_diff[] = {
+static const unsigned long ad7266_available_scan_masks_diff[] = {
        0x003,
        0x00c,
        0x030,
        0x000,
 };
 
-static unsigned long ad7266_available_scan_masks_fixed[] = {
+static const unsigned long ad7266_available_scan_masks_fixed[] = {
        0x003,
        0x000,
 };
@@ -318,7 +318,7 @@ static unsigned long ad7266_available_scan_masks_fixed[] = {
 struct ad7266_chan_info {
        const struct iio_chan_spec *channels;
        unsigned int num_channels;
-       unsigned long *scan_masks;
+       const unsigned long *scan_masks;
 };
 
 #define AD7266_CHAN_INFO_INDEX(_differential, _signed, _fixed) \