This is a note to let you know that I've just added the patch titled
usb: typec: ucsi: allow non-partner GET_PDOS for Qualcomm devices
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-typec-ucsi-allow-non-partner-get_pdos-for-qualco.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 32338d65589b63f7f8fdcc4116f673ca5d029be3
Author: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Date: Fri Mar 29 08:15:33 2024 +0200
usb: typec: ucsi: allow non-partner GET_PDOS for Qualcomm devices
[ Upstream commit 897d68d4ce7d50ca45a31e10c0e61597257b32d3 ]
The name and description of the USB_NO_PARTNER_PDOS quirk specifies that
only retrieving PDOS of the attached device is crashing. Retrieving PDOS
of the UCSI device works. Fix the condition to limit the workaround only
to is_partner cases.
Fixes: 1d103d6af241 ("usb: typec: ucsi: fix UCSI on buggy Qualcomm devices")
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240329-qcom-ucsi-fixes-v2-1-0f5d37ed04db@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index b501760012c4f..147ce1a2a2885 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -595,7 +595,8 @@ static int ucsi_read_pdos(struct ucsi_connector *con,
u64 command;
int ret;
- if (ucsi->quirks & UCSI_NO_PARTNER_PDOS)
+ if (is_partner &&
+ ucsi->quirks & UCSI_NO_PARTNER_PDOS)
return 0;
command = UCSI_COMMAND(UCSI_GET_PDOS) | UCSI_CONNECTOR_NUMBER(con->num);
