linux-kernel - [PATCH v6 04/15] staging: media: tegra-video: csi: move CSI helpers to header

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Message-ID: <20260130124932.351328-5-clamor95@gmail.com>
Date: Fri, 30 Jan 2026 14:49:21 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Thierry Reding <thierry.reding@...il.com>,
	Mikko Perttunen <mperttunen@...dia.com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Sowjanya Komatineni <skomatineni@...dia.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Hans Verkuil <hverkuil+cisco@...nel.org>,
	Svyatoslav Ryhel <clamor95@...il.com>
Cc: linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-tegra@...r.kernel.org,
	linux-media@...r.kernel.org,
	linux-staging@...ts.linux.dev
Subject: [PATCH v6 04/15] staging: media: tegra-video: csi: move CSI helpers to header

Move CSI helpers into the header for easier access from SoC-specific video
driver parts.

Tested-by: Luca Ceresoli <luca.ceresoli@...tlin.com> # tegra20, parallel camera
Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 drivers/staging/media/tegra-video/csi.c | 11 -----------
 drivers/staging/media/tegra-video/csi.h | 10 ++++++++++
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c
index 3c3f6e3fd1ec..894583d48b35 100644
--- a/drivers/staging/media/tegra-video/csi.c
+++ b/drivers/staging/media/tegra-video/csi.c
@@ -20,17 +20,6 @@
 
 #define MHZ			1000000
 
-static inline struct tegra_csi *
-host1x_client_to_csi(struct host1x_client *client)
-{
-	return container_of(client, struct tegra_csi, client);
-}
-
-static inline struct tegra_csi_channel *to_csi_chan(struct v4l2_subdev *subdev)
-{
-	return container_of(subdev, struct tegra_csi_channel, subdev);
-}
-
 /*
  * CSI is a separate subdevice which has 6 source pads to generate
  * test pattern. CSI subdevice pad ops are used only for TPG and
diff --git a/drivers/staging/media/tegra-video/csi.h b/drivers/staging/media/tegra-video/csi.h
index 609c5952e050..2b4d586d3845 100644
--- a/drivers/staging/media/tegra-video/csi.h
+++ b/drivers/staging/media/tegra-video/csi.h
@@ -155,6 +155,16 @@ struct tegra_csi {
 	struct list_head csi_chans;
 };
 
+static inline struct tegra_csi *host1x_client_to_csi(struct host1x_client *client)
+{
+	return container_of(client, struct tegra_csi, client);
+}
+
+static inline struct tegra_csi_channel *to_csi_chan(struct v4l2_subdev *subdev)
+{
+	return container_of(subdev, struct tegra_csi_channel, subdev);
+}
+
 void tegra_csi_error_recover(struct v4l2_subdev *subdev);
 void tegra_csi_calc_settle_time(struct tegra_csi_channel *csi_chan,
 				u8 csi_port_num,
-- 
2.51.0