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Fri, 18 Apr 2025 15:59:16 -0700 (PDT) From: David Lechner Date: Fri, 18 Apr 2025 17:58:33 -0500 Subject: [PATCH 2/4] iio: adc: ad4695: use IIO_DECLARE_BUFFER_WITH_TS Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250418-iio-introduce-iio_declare_buffer_with_ts-v1-2-ee0c62a33a0f@baylibre.com> References: <20250418-iio-introduce-iio_declare_buffer_with_ts-v1-0-ee0c62a33a0f@baylibre.com> In-Reply-To: <20250418-iio-introduce-iio_declare_buffer_with_ts-v1-0-ee0c62a33a0f@baylibre.com> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Lars-Peter Clausen , Michael Hennerich Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1621; i=dlechner@baylibre.com; h=from:subject:message-id; bh=AhweVhEH25d8wvLOV8U3tgjVpTfYu6HqQRzrCrL17tE=; b=owEBbQGS/pANAwAKAcLMIAH/AY/AAcsmYgBoAtkwbaokaUxwrPZaLomgNtqgyv4GS7ATOqORj 0P+ER/gwqaJATMEAAEKAB0WIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCaALZMAAKCRDCzCAB/wGP wFEaB/9kNMjrqZsGk4OBPqABJHXa9sFYcNgxYZ2NRZNHahhqWZTGvAnhd3VEGXSd7fSGIRIQhga 7AXUpuemh2Vi4EfeFeqwsQpLK6tkDk/9WiU0SbUqU9T6gaZb+bRvy7ws/QEduYEBZUR6peuPa07 xs8tFTOXjWlNhf2SgeVO1YGSZmuJL+TepRK4TzmqKuH5Nzy7Z8xBHFW+T5HdV3m8lP/UbuWj/kp 6iMmxNtFOY4pCueCqHyGHG7YEL29rH+VbNfN3AZkFRyzxGFV1f7yIBwgNh8zg36Zer++S7xuzV5 ALMD9JKMw5wg4pzqXjpKFe+DQtHhh6H7vs3esTIAbsDaVsNr X-Developer-Key: i=dlechner@baylibre.com; a=openpgp; fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03 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. AD4695_MAX_CHANNEL_SIZE macro is dropped since it was making the line too long and didn't add that much value. AD4695_MAX_CHANNELS + 2 is changed to AD4695_MAX_CHANNELS + 1 because previously we were overallocating. AD4695_MAX_CHANNELS is the number of of voltage channels and + 1 is for the temperature channel. Signed-off-by: David Lechner --- drivers/iio/adc/ad4695.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/ad4695.c b/drivers/iio/adc/ad4695.c index 68c6625db0d75f4cade7cb029e94191118dbcaa0..9862ff99642b61db42b16b797ae= 046efd99c2811 100644 --- a/drivers/iio/adc/ad4695.c +++ b/drivers/iio/adc/ad4695.c @@ -106,8 +106,6 @@ =20 /* Max number of voltage input channels. */ #define AD4695_MAX_CHANNELS 16 -/* Max size of 1 raw sample in bytes. */ -#define AD4695_MAX_CHANNEL_SIZE 2 =20 enum ad4695_in_pair { AD4695_IN_PAIR_REFGND, @@ -162,8 +160,8 @@ struct ad4695_state { struct spi_transfer buf_read_xfer[AD4695_MAX_CHANNELS * 2 + 3]; struct spi_message buf_read_msg; /* Raw conversion data received. */ - u8 buf[ALIGN((AD4695_MAX_CHANNELS + 2) * AD4695_MAX_CHANNEL_SIZE, - sizeof(s64)) + sizeof(s64)] __aligned(IIO_DMA_MINALIGN); + IIO_DECLARE_BUFFER_WITH_TS(u8, buf, (AD4695_MAX_CHANNELS + 1) * 2) + __aligned(IIO_DMA_MINALIGN); u16 raw_data; /* Commands to send for single conversion. */ u16 cnv_cmd; --=20 2.43.0