From a9cff393c1d78ecbbc33e6196e79bb05ccb4a709 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel@collabora.com>
Date: Thu, 15 Aug 2019 13:48:04 -0300
Subject: media: v4l2-core: introduce a helper to unregister a spi subdev

Introduce a new video4linux2 spi helper, to unregister a subdev.
This allows to get rid of some more ifdefs.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---
 drivers/media/v4l2-core/v4l2-spi.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'drivers/media/v4l2-core/v4l2-spi.c')

diff --git a/drivers/media/v4l2-core/v4l2-spi.c b/drivers/media/v4l2-core/v4l2-spi.c
index ab5a7eb4205d..2a7e82e1412d 100644
--- a/drivers/media/v4l2-core/v4l2-spi.c
+++ b/drivers/media/v4l2-core/v4l2-spi.c
@@ -8,6 +8,14 @@
 #include <media/v4l2-common.h>
 #include <media/v4l2-device.h>
 
+void v4l2_spi_subdev_unregister(struct v4l2_subdev *sd)
+{
+	struct spi_device *spi = v4l2_get_subdevdata(sd);
+
+	if (spi && !spi->dev.of_node && !spi->dev.fwnode)
+		spi_unregister_device(spi);
+}
+
 void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
 		const struct v4l2_subdev_ops *ops)
 {
-- 
cgit v1.2.3-59-g8ed1b