The SCMI protocol specification says that the PINCTRL_REQUEST and
PINCTRL_RELEASE commands are optional. So if the SCMI server returns
-EOPNOTSUPP, then treat that as success and continue.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Sudeep Holla <sudeep.holla@kernel.org>
---
v5: fix subsytem prefix
v4: add r-b tags
v3: new patch
drivers/firmware/arm_scmi/pinctrl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/firmware/arm_scmi/pinctrl.c b/drivers/firmware/arm_scmi/pinctrl.c
index a020e23d7c49..42cb1aef1fe1 100644
--- a/drivers/firmware/arm_scmi/pinctrl.c
+++ b/drivers/firmware/arm_scmi/pinctrl.c
@@ -578,6 +578,8 @@ static int scmi_pinctrl_request_free(const struct scmi_protocol_handle *ph,
tx->flags = cpu_to_le32(type);
ret = ph->xops->do_xfer(ph, t);
+ if (ret == -EOPNOTSUPP)
+ ret = 0;
ph->xops->xfer_put(ph, t);
return ret;
--
2.53.0