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Message-ID: <CADGqjF+qsrKcNntO7FdcUxJ+L4rC8jcMT94nv8uOOTH-VwG9mw@mail.gmail.com>
Date:   Thu, 2 Nov 2023 17:55:37 +0800
From:   sean yang <seanyang230@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Fwd: [PATCH] firmware: arm_scmi: Remove inappropriate error log.

---------- Forwarded message ---------
发件人: xinglong.yang <seanyang230@...il.com>
Date: 2023年11月1日周三 16:17
Subject: [PATCH] firmware: arm_scmi: Remove inappropriate error log.
To: <xinglong.yang@...tech.com>, <sudeep.holla@....com>,
<cristian.marussi@....com>
Cc: <linux-arm-kernel@...ts.infradead.org>


The platform may not support fastchannel, but this is a legal
operation.

        -Before this patch, when the platform not support fastchannel,
        goto err_xfer will print "Failed to ...". This log is misleading.

        -With this patch, when the fastchannel is not been supported,
        the "Failed to ..." log will be skipped.

Signed-off-by: xinglong.yang <xinglong.yang@...tech.com>
---
 drivers/firmware/arm_scmi/driver.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/arm_scmi/driver.c
b/drivers/firmware/arm_scmi/driver.c
index b5957cc12fee..2b990e50c8a5 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -1642,7 +1642,10 @@ scmi_common_fastchannel_init(const struct
scmi_protocol_handle *ph,
         * fastchannels at all.
         */
        ret = ph->xops->do_xfer(ph, t);
-       if (ret)
+       if (ret == -EOPNOTSUPP) {
+               ph->xops->xfer_put(ph, t);
+               goto return_normal;
+       } else if (ret)
                goto err_xfer;

        resp = t->rx.buf;
@@ -1695,6 +1698,7 @@ scmi_common_fastchannel_init(const struct
scmi_protocol_handle *ph,
                "Using valid FC for protocol %X [MSG_ID:%u / RES_ID:%u]\n",
                pi->proto->id, message_id, domain);

+return_normal:
        return;

 err_db_mem:
--
2.42.0

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