Remove the forward declaration of at91_adc_dt_ids by using
of_device_get_match_data. Also add const were possible since it is not
discarded by the cast anymore.
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Reviewed-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
---
Changes in v2:
- use of_device_get_match_data instead of device_get_match_data
drivers/iio/adc/at91_adc.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 347464844263..4c1b3b67445d 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -224,7 +224,6 @@ struct at91_adc_state {
struct mutex lock;
u8 num_channels;
void __iomem *reg_base;
- struct at91_adc_reg_desc *registers;
u32 startup_time;
u8 sample_hold_time;
bool sleep_mode;
@@ -233,7 +232,8 @@ struct at91_adc_state {
u32 vref_mv;
u32 res; /* resolution used for convertions */
wait_queue_head_t wq_data_avail;
- struct at91_adc_caps *caps;
+ const struct at91_adc_caps *caps;
+ const struct at91_adc_reg_desc *registers;
/*
* Following ADC channels are shared by touchscreen:
@@ -569,7 +569,7 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
{
struct iio_dev *idev = iio_trigger_get_drvdata(trig);
struct at91_adc_state *st = iio_priv(idev);
- struct at91_adc_reg_desc *reg = st->registers;
+ const struct at91_adc_reg_desc *reg = st->registers;
u32 status = at91_adc_readl(st, reg->trigger_register);
int value;
u8 bit;
@@ -796,8 +796,6 @@ static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz)
return ticks;
}
-static const struct of_device_id at91_adc_dt_ids[];
-
static int at91_adc_probe_dt_ts(struct device_node *node,
struct at91_adc_state *st, struct device *dev)
{
@@ -1011,8 +1009,7 @@ static int at91_adc_probe(struct platform_device *pdev)
st = iio_priv(idev);
- st->caps = (struct at91_adc_caps *)
- of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
+ st->caps = of_device_get_match_data(&pdev->dev);
st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");
--
2.28.0
