linux-kernel - [PATCH v2 1/2] spi: offload: types: add offset parameter

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Message-ID: <cc049e25c9633f41eeaacc94bed5db2a1aa299d8.1758206554.git.marcelo.schmitt@analog.com>
Date: Thu, 18 Sep 2025 14:34:38 -0300
From: Marcelo Schmitt <marcelo.schmitt@...log.com>
To: <linux-spi@...r.kernel.org>, <linux-iio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: Axel Haslam <ahaslam@...libre.com>, <broonie@...nel.org>,
        <jic23@...nel.org>, <nuno.sa@...log.com>, <dlechner@...libre.com>,
        <andy@...nel.org>, <marcelo.schmitt1@...il.com>
Subject: [PATCH v2 1/2] spi: offload: types: add offset parameter

From: Axel Haslam <ahaslam@...libre.com>

Add an offset parameter that can be passed in the periodic trigger.
This is useful for example when ADC drivers implement a separate periodic
signal to trigger conversion and need offload to read the result with
some delay.

Signed-off-by: Axel Haslam <ahaslam@...libre.com>
Signed-off-by: Marcelo Schmitt <marcelo.schmitt@...log.com>
---
 include/linux/spi/offload/types.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/spi/offload/types.h b/include/linux/spi/offload/types.h
index 6f7892347871..0170fd1f42e5 100644
--- a/include/linux/spi/offload/types.h
+++ b/include/linux/spi/offload/types.h
@@ -59,6 +59,7 @@ enum spi_offload_trigger_type {
 
 struct spi_offload_trigger_periodic {
 	u64 frequency_hz;
+	u64 offset_ns;
 };
 
 struct spi_offload_trigger_config {
-- 
2.50.1