[PATCH] iio: adc: stm32-adc: make stm32_adc_trig_info const

[PATCH] iio: adc: stm32-adc: make stm32_adc_trig_info const

[David Lechner]

Add const qualifier to struct stm32_adc_trig_info. This is read-only
data so it can be made const.

Signed-off-by: David Lechner <dlechner@baylibre.com>
---
 drivers/iio/adc/stm32-adc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index 588c69e175f5129030eef9ebfe0eabb6412b1893..b9f93116e114b1c840cbe568f17462b2d25bf2db 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -216,7 +216,7 @@ struct stm32_adc;
 struct stm32_adc_cfg {
 	const struct stm32_adc_regspec	*regs;
 	const struct stm32_adc_info	*adc_info;
-	struct stm32_adc_trig_info	*trigs;
+	const struct stm32_adc_trig_info *trigs;
 	bool clk_required;
 	bool has_vregready;
 	bool has_boostmode;
@@ -383,7 +383,7 @@ static const struct stm32_adc_regs stm32f4_sq[STM32_ADC_MAX_SQ + 1] = {
 };
 
 /* STM32F4 external trigger sources for all instances */
-static struct stm32_adc_trig_info stm32f4_adc_trigs[] = {
+static const struct stm32_adc_trig_info stm32f4_adc_trigs[] = {
 	{ TIM1_CH1, STM32_EXT0 },
 	{ TIM1_CH2, STM32_EXT1 },
 	{ TIM1_CH3, STM32_EXT2 },
@@ -473,7 +473,7 @@ static const struct stm32_adc_regs stm32h7_sq[STM32_ADC_MAX_SQ + 1] = {
 };
 
 /* STM32H7 external trigger sources for all instances */
-static struct stm32_adc_trig_info stm32h7_adc_trigs[] = {
+static const struct stm32_adc_trig_info stm32h7_adc_trigs[] = {
 	{ TIM1_CH1, STM32_EXT0 },
 	{ TIM1_CH2, STM32_EXT1 },
 	{ TIM1_CH3, STM32_EXT2 },

---
base-commit: 14071b9cf2d751ff9bc8b5e43fa94fbf08aceea1
change-id: 20250628-iio-const-data-10-2e80d4dde542

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

Re: [PATCH] iio: adc: stm32-adc: make stm32_adc_trig_info const

[Jonathan Cameron]

On Sat, 28 Jun 2025 11:39:33 -0500
David Lechner <dlechner@baylibre.com> wrote:

> Add const qualifier to struct stm32_adc_trig_info. This is read-only
> data so it can be made const.
> 
> Signed-off-by: David Lechner <dlechner@baylibre.com>
Seems to be in the 'obviously correct' category so I've applied it to the testing
branch of iio.git.  Thanks

Jonathan