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Avoid using a generic name such as MAX_DATA_LANES in a header file widely
included in drivers. Instead, call it V4L2_FWNODE_CSI2_MAX_DATA_LANES.
Fixes: 4ee236219f6d ("media: v4l2-fwnode: suppress a warning at OF parsing logic")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The clock lane is the first lane in the lane_polarities array. Reflect this
consistently by putting the number of data lanes after the number of clock
lanes.
Fixes: 4ee236219f6d ("media: v4l2-fwnode: suppress a warning at OF parsing logic")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The kernel-doc tag is wrong there, causing this warning:
./include/media/v4l2-fwnode.h:66: warning: bad line: index (1)
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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smatch produce this warning:
drivers/media/v4l2-core/v4l2-fwnode.c:76 v4l2_fwnode_endpoint_parse_csi_bus() error: buffer overflow 'array' 5 <= u16max
That's because, in thesis, the routine might have called with
some value at bus->num_data_lanes. That's not the current
case.
Yet, better to shut up this warning, and make the code more
reliable if some future changes might cause a bug.
While here, simplify the code a little bit by reading only
once from lanes-properties array.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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CCP2 and CSI-1, are older single data lane serial busses.
[mchehab@s-opensource.com: don't use spaces for identation]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The fwnode_handle is a more generic way than OF device_node to describe
firmware nodes. Instead of the OF API, use more generic fwnode API to
obtain the same information.
As the V4L2 fwnode support will be required by a small minority of e.g.
ACPI based systems (the same might actually go for OF), make this a module
instead of embedding it in the videodev module.
The origins of the V4L2 fwnode framework is in the V4L2 OF framework.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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