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usb: typec: tipd: 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: 28ec344bb8 ("usb: typec: tcpm: Don't block probing of consumers of "connector" nodes")
Cc: stable <stable@vger.kernel.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Link: https://lore.kernel.org/r/20210714061807.5737-1-martin.kepplinger@puri.sm
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Kepplinger 2021-07-14 08:18:07 +02:00 committed by Greg Kroah-Hartman
parent 72f68bf5c7
commit 57560ee95c
1 changed files with 9 additions and 0 deletions
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9
drivers/usb/typec/tipd/core.c
View File

@ -629,6 +629,15 @@ static int tps6598x_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 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);
tps->role_sw = fwnode_usb_role_switch_get(fwnode);
if (IS_ERR(tps->role_sw)) {
ret = PTR_ERR(tps->role_sw);