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 026151773D for ; Wed, 9 Aug 2023 11:18:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 773DDC433C8; Wed, 9 Aug 2023 11:18:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691579934; bh=fGeovoFhlI+GA4ikgjCjGOE/jQvGD87dRSJljQv41MQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R9RtRZbzwEkTFuf0c3nhC5QjFCsBFWjSNjTEnoQ4XuA4bq/YtWmTSNtsXy0poQuQf 5FTlkfKzpF2PCzXHHIZzWoDF0ROIxVRF0T7ZyiXL2sIyKRP++KdCPeMb12h7nZ5eTB qXtyDKs6TCcgmZ+cHih7Zyz+TMfn65eXzpXR7/Jw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Klaus Kudielka , Michal Kubiak , Paolo Abeni , Sasha Levin Subject: [PATCH 4.19 138/323] net: mvneta: fix txq_map in case of txq_number==1 Date: Wed, 9 Aug 2023 12:39:36 +0200 Message-ID: <20230809103704.455070745@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809103658.104386911@linuxfoundation.org> References: <20230809103658.104386911@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Klaus Kudielka [ Upstream commit 21327f81db6337c8843ce755b01523c7d3df715b ] If we boot with mvneta.txq_number=1, the txq_map is set incorrectly: MVNETA_CPU_TXQ_ACCESS(1) refers to TX queue 1, but only TX queue 0 is initialized. Fix this. Fixes: 50bf8cb6fc9c ("net: mvneta: Configure XPS support") Signed-off-by: Klaus Kudielka Reviewed-by: Michal Kubiak Link: https://lore.kernel.org/r/20230705053712.3914-1-klaus.kudielka@gmail.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/marvell/mvneta.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index f1a4b11ce0d19..512f9cd68070a 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1415,7 +1415,7 @@ static void mvneta_defaults_set(struct mvneta_port *pp) */ if (txq_number == 1) txq_map = (cpu == pp->rxq_def) ? - MVNETA_CPU_TXQ_ACCESS(1) : 0; + MVNETA_CPU_TXQ_ACCESS(0) : 0; } else { txq_map = MVNETA_CPU_TXQ_ACCESS_ALL_MASK; @@ -3665,7 +3665,7 @@ static void mvneta_percpu_elect(struct mvneta_port *pp) */ if (txq_number == 1) txq_map = (cpu == elected_cpu) ? - MVNETA_CPU_TXQ_ACCESS(1) : 0; + MVNETA_CPU_TXQ_ACCESS(0) : 0; else txq_map = mvreg_read(pp, MVNETA_CPU_MAP(cpu)) & MVNETA_CPU_TXQ_ACCESS_ALL_MASK; -- 2.39.2