linux-kernel - [PATCH net-next] net/smc: remove unused function smc_lo_supports

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Message-ID: <20250619030854.1536676-1-wangliang74@huawei.com>
Date: Thu, 19 Jun 2025 11:08:54 +0800
From: Wang Liang <wangliang74@...wei.com>
To: <wenjia@...ux.ibm.com>, <jaka@...ux.ibm.com>, <alibuda@...ux.alibaba.com>,
	<tonylu@...ux.alibaba.com>, <guwen@...ux.alibaba.com>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<horms@...nel.org>
CC: <yuehaibing@...wei.com>, <zhangchangzhong@...wei.com>,
	<linux-rdma@...r.kernel.org>, <linux-s390@...r.kernel.org>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] net/smc: remove unused function smc_lo_supports_v2

The smcd_ops->supports_v2 is only called in smcd_register_dev(), which
calls function smcd_supports_v2 for ism. For loopback-ism, function
smc_lo_supports_v2 is unused, remove it.

Signed-off-by: Wang Liang <wangliang74@...wei.com>
---
 net/smc/smc_loopback.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/smc/smc_loopback.c b/net/smc/smc_loopback.c
index 3c5f64ca4115..0eb00bbefd17 100644
--- a/net/smc/smc_loopback.c
+++ b/net/smc/smc_loopback.c
@@ -251,11 +251,6 @@ static int smc_lo_move_data(struct smcd_dev *smcd, u64 dmb_tok,
 	return 0;
 }
 
-static int smc_lo_supports_v2(void)
-{
-	return SMC_LO_V2_CAPABLE;
-}
-
 static void smc_lo_get_local_gid(struct smcd_dev *smcd,
 				 struct smcd_gid *smcd_gid)
 {
@@ -288,7 +283,6 @@ static const struct smcd_ops lo_ops = {
 	.reset_vlan_required	= NULL,
 	.signal_event		= NULL,
 	.move_data = smc_lo_move_data,
-	.supports_v2 = smc_lo_supports_v2,
 	.get_local_gid = smc_lo_get_local_gid,
 	.get_chid = smc_lo_get_chid,
 	.get_dev = smc_lo_get_dev,
-- 
2.34.1