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firmware: arm_scmi: Allow PINCTRL_REQUEST to return EOPNOTSUPP

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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>
Signed-off-by: Linus Walleij <linusw@kernel.org>
This commit is contained in:
Dan Carpenter 2026-03-23 22:01:37 +03:00 committed by Linus Walleij
parent f20e81322f
commit bf1fbd189d
1 changed files with 2 additions and 0 deletions
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2
drivers/firmware/arm_scmi/pinctrl.c
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@ -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;