From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3988D2ECD23; Tue, 17 Jun 2025 16:25:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750177510; cv=none; b=Pltou+iee5G2+6csxuz0674Z7E8jUNz0VLm+fRBJGJ2CEWdymMQJFWBB6mOCoQc73q1XDCLt1P83TApvx3stpyNNmVDe0NO3Knj8l147yzmM1fWQsX/iB840dJ/g2XanbA0KhXKrG/1x5sU0ctriudy2+YBpCS6GDwmMyKcpdvE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750177510; c=relaxed/simple; bh=FPbCxWyjGpnLHbDtbkHx8w8XjkFYosu9wVqYu8GowSg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QCwIZgz10790CRNsE2M8Qy84Pz+0mizuh6cVMV6JiHm6iO6OEEeYOHM9fALbQqXYkPmNdLng3Uzqfy665DmN0hzpLcXjjzt66GiJvs43on6EBONrB/mZ4tZz9oFVr90+e8XcpETbtfjdkG1EDrRETbvs0qOy45HOjvVan4kM2QM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0cG7WjkG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="0cG7WjkG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9F379C4CEE7; Tue, 17 Jun 2025 16:25:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750177510; bh=FPbCxWyjGpnLHbDtbkHx8w8XjkFYosu9wVqYu8GowSg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0cG7WjkGPcUU7+l5kaUhPV78kj9596pi+lgpxRAT6tJG6+81no33d2+GQfYEUbcWL cOtjDfuQDnFFsNKekuppvU3u/Mh6CZbrWG70BvM6wKnD9oicNJXmbj398fFlVufqM/ 7WAWwdS4hbz1CrFPQlDcbG0Y5tk9iEI/ejiPIbCs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Subbaraya Sundeep , Michal Swiatkowski , Simon Horman , Paolo Abeni , Sasha Levin Subject: [PATCH 6.15 317/780] octeontx2-af: Send Link events one by one Date: Tue, 17 Jun 2025 17:20:25 +0200 Message-ID: <20250617152504.368098680@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152451.485330293@linuxfoundation.org> References: <20250617152451.485330293@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Subbaraya Sundeep [ Upstream commit ba5cb47b56e5d89f0a5eb5163ffbfda1e3e7cef0 ] Send link events one after another otherwise new message is overwriting the message which is being processed by PF. Fixes: a88e0f936ba9 ("octeontx2: Detect the mbox up or down message via register") Signed-off-by: Subbaraya Sundeep Reviewed-by: Michal Swiatkowski Reviewed-by: Simon Horman Link: https://patch.msgid.link/1747823443-404-1-git-send-email-sbhatta@marvell.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c | 2 ++ drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 2 ++ drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c | 2 ++ 3 files changed, 6 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c b/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c index 655dd4726d36e..0277d226293e9 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c @@ -143,6 +143,8 @@ static int mcs_notify_pfvf(struct mcs_intr_event *event, struct rvu *rvu) otx2_mbox_msg_send_up(&rvu->afpf_wq_info.mbox_up, pf); + otx2_mbox_wait_for_rsp(&rvu->afpf_wq_info.mbox_up, pf); + mutex_unlock(&rvu->mbox_lock); return 0; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c index 992fa0b82e8d2..ebb56eb0d18cf 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -272,6 +272,8 @@ static void cgx_notify_pfs(struct cgx_link_event *event, struct rvu *rvu) otx2_mbox_msg_send_up(&rvu->afpf_wq_info.mbox_up, pfid); + otx2_mbox_wait_for_rsp(&rvu->afpf_wq_info.mbox_up, pfid); + mutex_unlock(&rvu->mbox_lock); } while (pfmap); } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c index 052ae5923e3a8..32953cca108c8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c @@ -60,6 +60,8 @@ static int rvu_rep_up_notify(struct rvu *rvu, struct rep_event *event) otx2_mbox_msg_send_up(&rvu->afpf_wq_info.mbox_up, pf); + otx2_mbox_wait_for_rsp(&rvu->afpf_wq_info.mbox_up, pf); + mutex_unlock(&rvu->mbox_lock); return 0; } -- 2.39.5