diff options
| author | Amelie Delaunay <amelie.delaunay@foss.st.com> | 2021-07-16 14:07:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-21 09:16:40 +0200 |
| commit | 6b63376722d9e1b915a2948e9b30f4ba2712e3f5 (patch) | |
| tree | 1c33ee27b859fdec0e11f98619640fe1c812e4db /drivers/usb | |
| parent | 86762ad4abcc549deb7a155c8e5e961b9755bcf0 (diff) | |
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: 28ec344bb891 ("usb: typec: tcpm: Don't block probing of consumers of "connector" nodes")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20210716120718.20398-3-amelie.delaunay@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/typec/stusb160x.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c index 3d3848e7c2c2..e7745d1c2a5c 100644 --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -686,6 +686,15 @@ static int stusb160x_probe(struct i2c_client *client) 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. * Otherwise VDD is selected. |