Commit 6b633767 authored by Amelie Delaunay's avatar Amelie Delaunay Committed by Greg Kroah-Hartman
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usb: typec: stusb160x: Don't block probing of consumer of "connector" nodes 



Similar as with tcpm this patch lets fw_devlink know not to wait on the
fwnode to be populated as a struct device.

Without this patch, USB functionality can be broken on some previously
supported boards.

Fixes: 28ec344b ("usb: typec: tcpm: Don't block probing of consumers of "connector" nodes")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarAmelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20210716120718.20398-3-amelie.delaunay@foss.st.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 86762ad4

drivers/usb/typec/stusb160x.c

+9 −0
Original line number Diff line number Diff line
@@ -685,6 +685,15 @@ static int stusb160x_probe(struct i2c_client *client) 
	if (!fwnode)

		return -ENODEV;



	/*

	 * This fwnode has a "compatible" property, but is never populated as a

	 * struct device. Instead we simply parse it to read the properties.

	 * This it breaks fw_devlink=on. To maintain backward compatibility

	 * with existing DT files, we work around this by deleting any

	 * fwnode_links to/from this fwnode.

	 */

	fw_devlink_purge_absent_suppliers(fwnode);



	/*

	 * When both VDD and VSYS power supplies are present, the low power

	 * supply VSYS is selected when VSYS voltage is above 3.1 V.