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iio: adc: at91-sama5d2: use IIO_DECLARE_BUFFER_WITH_TS

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Use IIO_DECLARE_BUFFER_WITH_TS() to declare the buffer that gets used
with iio_push_to_buffers_with_ts(). This makes the code a bit easier to
read and understand.

Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250507-iio-introduce-iio_declare_buffer_with_ts-v6-7-4aee1b9f1b89@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner
2025-05-21 14:20:32 +01:00
committed by Jonathan Cameron
parent edeb67fbbf
commit 04c1290776
1 changed files with 2 additions and 11 deletions
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drivers/iio/adc/at91-sama5d2_adc.c
+2 -11
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@@ -586,15 +586,6 @@ struct at91_adc_temp {
u16 saved_oversampling;
};
/*
* Buffer size requirements:
* No channels * bytes_per_channel(2) + timestamp bytes (8)
* Divided by 2 because we need half words.
* We assume 32 channels for now, has to be increased if needed.
* Nobody minds a buffer being too big.
*/
#define AT91_BUFFER_MAX_HWORDS ((32 * 2 + 8) / 2)
struct at91_adc_state {
void __iomem *base;
int irq;
@@ -616,8 +607,8 @@ struct at91_adc_state {
struct at91_adc_temp temp_st;
struct iio_dev *indio_dev;
struct device *dev;
/* Ensure naturally aligned timestamp */
u16 buffer[AT91_BUFFER_MAX_HWORDS] __aligned(8);
/* We assume 32 channels for now, has to be increased if needed. */
IIO_DECLARE_BUFFER_WITH_TS(u16, buffer, 32);
/*
* lock to prevent concurrent 'single conversion' requests through
* sysfs.