iio: dac: ltc2688: make ltc2688_dither_ext_info const

[PATCH] iio: dac: ltc2688: make ltc2688_dither_ext_info const

Posted by David Lechner 3 months, 1 week ago

Add const qualifier to struct iio_chan_spec_ext_info
ltc2688_dither_ext_info[]. This is read-only data so it can be made
const.

Signed-off-by: David Lechner <dlechner@baylibre.com>
---
 drivers/iio/dac/ltc2688.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/dac/ltc2688.c b/drivers/iio/dac/ltc2688.c
index 1f24f07d1ad24ac1730da0e03b65207ca5f07884..7a2ee26a7d68730fe90d9cc91ea764f05eb61791 100644
--- a/drivers/iio/dac/ltc2688.c
+++ b/drivers/iio/dac/ltc2688.c
@@ -622,7 +622,7 @@ static const struct iio_chan_spec_ext_info ltc2688_toggle_ext_info[] = {
 	{ }
 };
 
-static struct iio_chan_spec_ext_info ltc2688_dither_ext_info[] = {
+static const struct iio_chan_spec_ext_info ltc2688_dither_ext_info[] = {
 	LTC2688_CHAN_EXT_INFO("dither_raw", LTC2688_INPUT_B, IIO_SEPARATE,
 			      ltc2688_dac_input_read, ltc2688_dac_input_write),
 	LTC2688_CHAN_EXT_INFO("dither_raw_available", LTC2688_INPUT_B_AVAIL,

---
base-commit: 14071b9cf2d751ff9bc8b5e43fa94fbf08aceea1
change-id: 20250628-iio-const-data-16-ac8a4e8df676

Best regards,
-- 
David Lechner <dlechner@baylibre.com>

Re: [PATCH] iio: dac: ltc2688: make ltc2688_dither_ext_info const

Posted by Jonathan Cameron 3 months, 1 week ago

On Sat, 28 Jun 2025 12:15:24 -0500
David Lechner <dlechner@baylibre.com> wrote:

> Add const qualifier to struct iio_chan_spec_ext_info
> ltc2688_dither_ext_info[]. This is read-only data so it can be made
> const.
> 
> Signed-off-by: David Lechner <dlechner@baylibre.com>
Applied.