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[4/7] usb: typec: ucsi: allow non-partner GET_PDOS for Qualcomm devices

Message ID 20240313-qcom-ucsi-fixes-v1-4-74d90cb48a00@linaro.org
State Superseded
Headers show
Series usb: typec: ucsi: fix several issues manifesting on Qualcomm platforms | expand

Commit Message

Dmitry Baryshkov March 13, 2024, 3:54 a.m. UTC 
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")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/usb/typec/ucsi/ucsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 05a44e346e85..011d52bf34f6 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -641,7 +641,8 @@  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);