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Subject: media: ov2680: Allow probing if link-frequencies is absent Author: Fabio Estevam festevam@denx.de 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@vger.kernel.org Fixes: 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint property verification") Signed-off-by: Fabio Estevam festevam@denx.de Reviewed-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Sakari Ailus sakari.ailus@linux.intel.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl

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);