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From: Daniel Scally <djrscally@gmail.com>
To: djrscally@gmail.com, sakari.ailus@linux.intel.com,
	paul.kocialkowski@bootlin.com, ezequiel@collabora.com,
	hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org
Cc: yong.zhi@intel.com, bingbu.cao@intel.com, tian.shu.qiu@intel.com,
	kevin.lhopital@bootlin.com, yang.lee@linux.alibaba.com,
	andy.shevchenko@gmail.com, laurent.pinchart@ideasonboard.com,
	kieran.bingham@ideasonboard.com
Subject: [PATCH v2 03/12] media: i2c: Defer probe if not endpoint found
Date: Mon,  9 Aug 2021 23:58:36 +0100	[thread overview]
Message-ID: <20210809225845.916430-4-djrscally@gmail.com> (raw)
In-Reply-To: <20210809225845.916430-1-djrscally@gmail.com>

The ov8865 driver is one of those that can be connected to a CIO2
device by the cio2-bridge code. This means that the absence of an
endpoint for this device is not necessarily fatal, as one might be
built by the cio2-bridge when it probes. Return -EPROBE_DEFER if no
endpoint is found rather than a fatal error.

Signed-off-by: Daniel Scally <djrscally@gmail.com>
---
Changes in v2:

	- None

 drivers/media/i2c/ov8865.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/media/i2c/ov8865.c b/drivers/media/i2c/ov8865.c
index 8d973117f611..fe700787bfb9 100644
--- a/drivers/media/i2c/ov8865.c
+++ b/drivers/media/i2c/ov8865.c
@@ -2796,10 +2796,8 @@ static int ov8865_probe(struct i2c_client *client)
 	/* Graph Endpoint */
 
 	handle = fwnode_graph_get_next_endpoint(dev_fwnode(dev), NULL);
-	if (!handle) {
-		dev_err(dev, "unable to find endpoint node\n");
-		return -EINVAL;
-	}
+	if (!handle)
+		return -EPROBE_DEFER;
 
 	sensor->endpoint.bus_type = V4L2_MBUS_CSI2_DPHY;
 
-- 
2.25.1


  parent reply	other threads:[~2021-08-09 22:59 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-09 22:58 [PATCH v2 00/12] Extensions to ov8865 driver Daniel Scally
2021-08-09 22:58 ` [PATCH v2 01/12] media: i2c: Add ACPI support to ov8865 Daniel Scally
2021-08-10 12:57   ` Andy Shevchenko
2021-08-09 22:58 ` [PATCH v2 02/12] media: i2c: Fix incorrect value in comment Daniel Scally
2021-08-09 22:58 ` Daniel Scally [this message]
2021-08-09 22:58 ` [PATCH v2 04/12] media: i2c: Support 19.2MHz input clock in ov8865 Daniel Scally
2021-08-10 13:04   ` Andy Shevchenko
2021-08-10 21:46     ` Daniel Scally
2021-08-10 13:34   ` Sakari Ailus
2021-08-10 21:37     ` Daniel Scally
2021-08-10 21:49       ` Sakari Ailus
2021-09-07 22:44         ` Daniel Scally
2021-09-08  6:52           ` Sakari Ailus
2021-08-09 22:58 ` [PATCH v2 05/12] media: i2c: Add .get_selection() support to ov8865 Daniel Scally
2021-08-10 13:38   ` Sakari Ailus
2021-08-24 23:17     ` Daniel Scally
2021-08-25  7:16       ` Sakari Ailus
2021-08-25  8:04         ` Laurent Pinchart
2021-08-25  8:29           ` Sakari Ailus
2021-08-09 22:58 ` [PATCH v2 06/12] media: i2c: Switch control to V4L2_CID_ANALOGUE_GAIN Daniel Scally
2021-08-10 13:48   ` Sakari Ailus
2021-08-09 22:58 ` [PATCH v2 07/12] media: i2c: Add vblank control to ov8865 Daniel Scally
2021-08-09 22:58 ` [PATCH v2 08/12] media: i2c: Add hblank " Daniel Scally
2021-08-10 13:10   ` Andy Shevchenko
2021-08-10 14:29   ` Sakari Ailus
2021-08-10 22:07     ` Daniel Scally
2021-08-13  3:05       ` Laurent Pinchart
2021-08-13  9:45         ` Daniel Scally
2021-08-14 20:56           ` Laurent Pinchart
2021-09-09 22:36             ` Daniel Scally
2021-10-09 23:10               ` Daniel Scally
2021-08-09 22:58 ` [PATCH v2 09/12] media: i2c: cap exposure at height + vblank in ov8865 Daniel Scally
2021-08-10 14:30   ` Sakari Ailus
2021-08-09 22:58 ` [PATCH v2 10/12] media: i2c: Add controls from fwnode to ov8865 Daniel Scally
2021-08-09 22:58 ` [PATCH v2 11/12] media: i2c: Switch exposure control unit to lines Daniel Scally
2021-08-09 22:58 ` [PATCH v2 12/12] media: ipu3-cio2: Add INT347A to cio2-bridge Daniel Scally
2021-08-10 13:12   ` Andy Shevchenko

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