linux-kernel - [PATCH v2 4/6] iio: adc: ad7380: use IIO_DECLARE_BUFFER_WITH

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Message-Id: <20250422-iio-introduce-iio_declare_buffer_with_ts-v2-4-3fd36475c706@baylibre.com>
Date: Tue, 22 Apr 2025 17:07:49 -0500
From: David Lechner <dlechner@...libre.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Eugen Hristev <eugen.hristev@...aro.org>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 4/6] iio: adc: ad7380: use IIO_DECLARE_BUFFER_WITH_TS

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.

Signed-off-by: David Lechner <dlechner@...libre.com>
---

As discussed in v1, this one stays u8 because it is used with both 16
and 32-bit word sizes.
---
 drivers/iio/adc/ad7380.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c
index f93e6c67766aa89b18c1a7dec02ae8912f65261c..f89b195c644024151c14977fd43e279a67439fb1 100644
--- a/drivers/iio/adc/ad7380.c
+++ b/drivers/iio/adc/ad7380.c
@@ -909,8 +909,8 @@ struct ad7380_state {
 	 * Make the buffer large enough for MAX_NUM_CHANNELS 32-bit samples and
 	 * one 64-bit aligned 64-bit timestamp.
 	 */
-	u8 scan_data[ALIGN(MAX_NUM_CHANNELS * sizeof(u32), sizeof(s64))
-			   + sizeof(s64)] __aligned(IIO_DMA_MINALIGN);
+	IIO_DECLARE_BUFFER_WITH_TS(u8, scan_data, MAX_NUM_CHANNELS * sizeof(u32))
+		__aligned(IIO_DMA_MINALIGN);
 	/* buffers for reading/writing registers */
 	u16 tx;
 	u16 rx;

-- 
2.43.0