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Subject: media: ov2680: Allow probing if link-frequencies is absent
Author: Fabio Estevam <festevam@xxxxxxx>
Date: Thu Mar 28 19:44:13 2024 -0300
Since commit 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint
property verification") the ov2680 no longer probes on a imx7s-warp7:
ov2680 1-0036: error -EINVAL: supported link freq 330000000 not found
ov2680 1-0036: probe with driver ov2680 failed with error -22
As the 'link-frequencies' property is not mandatory, allow the probe
to succeed by skipping the link-frequency verification when the
property is absent.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint property verification")
Signed-off-by: Fabio Estevam <festevam@xxxxxxx>
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
drivers/media/i2c/ov2680.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/drivers/media/i2c/ov2680.c b/drivers/media/i2c/ov2680.c
index 3e3b7c2b492c..a857763c7984 100644
--- a/drivers/media/i2c/ov2680.c
+++ b/drivers/media/i2c/ov2680.c
@@ -1123,18 +1123,23 @@ static int ov2680_parse_dt(struct ov2680_dev *sensor)
goto out_free_bus_cfg;
}
+ if (!bus_cfg.nr_of_link_frequencies) {
+ dev_warn(dev, "Consider passing 'link-frequencies' in DT\n");
+ goto skip_link_freq_validation;
+ }
+
for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++)
if (bus_cfg.link_frequencies[i] == sensor->link_freq[0])
break;
- if (bus_cfg.nr_of_link_frequencies == 0 ||
- bus_cfg.nr_of_link_frequencies == i) {
+ if (bus_cfg.nr_of_link_frequencies == i) {
ret = dev_err_probe(dev, -EINVAL,
"supported link freq %lld not found\n",
sensor->link_freq[0]);
goto out_free_bus_cfg;
}
+skip_link_freq_validation:
ret = 0;
out_free_bus_cfg:
v4l2_fwnode_endpoint_free(&bus_cfg);
