linux-kernel - [PATCH V4 3/8] firmware: imx: scu: drop return value check

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Message-Id: <20230724063852.2666930-4-peng.fan@oss.nxp.com>
Date:   Mon, 24 Jul 2023 14:38:47 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        aisheng.dong@....com, alexander.stein@...tq-group.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH V4 3/8] firmware: imx: scu: drop return value check

From: Peng Fan <peng.fan@....com>

For IMX_SC_MISC_FUNC_UNIQUE_ID, the scfw has a return value,
and the imx-scu always return 0. So drop the return value check.

BTW, also initialize msg to 0.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/firmware/imx/imx-scu-soc.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/firmware/imx/imx-scu-soc.c b/drivers/firmware/imx/imx-scu-soc.c
index 2f32353de2c9..ef9103987e76 100644
--- a/drivers/firmware/imx/imx-scu-soc.c
+++ b/drivers/firmware/imx/imx-scu-soc.c
@@ -33,20 +33,15 @@ struct imx_sc_msg_misc_get_soc_uid {
 
 static int imx_scu_soc_uid(u64 *soc_uid)
 {
-	struct imx_sc_msg_misc_get_soc_uid msg;
+	struct imx_sc_msg_misc_get_soc_uid msg = { 0 };
 	struct imx_sc_rpc_msg *hdr = &msg.hdr;
-	int ret;
 
 	hdr->ver = IMX_SC_RPC_VERSION;
 	hdr->svc = IMX_SC_RPC_SVC_MISC;
 	hdr->func = IMX_SC_MISC_FUNC_UNIQUE_ID;
 	hdr->size = 1;
 
-	ret = imx_scu_call_rpc(imx_sc_soc_ipc_handle, &msg, true);
-	if (ret) {
-		pr_err("%s: get soc uid failed, ret %d\n", __func__, ret);
-		return ret;
-	}
+	imx_scu_call_rpc(imx_sc_soc_ipc_handle, &msg, true);
 
 	*soc_uid = msg.uid_high;
 	*soc_uid <<= 32;
-- 
2.37.1