From patchwork Fri May 21 03:57:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 445148 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD050C433B4 for ; Fri, 21 May 2021 03:55:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 939BC6105A for ; Fri, 21 May 2021 03:55:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238965AbhEUD4p (ORCPT ); Thu, 20 May 2021 23:56:45 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:3454 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233879AbhEUD4o (ORCPT ); Thu, 20 May 2021 23:56:44 -0400 Received: from dggems704-chm.china.huawei.com (unknown [172.30.72.59]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4FmXk75wyYzBvQ1; Fri, 21 May 2021 11:52:31 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggems704-chm.china.huawei.com (10.3.19.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 21 May 2021 11:55:19 +0800 Received: from huawei.com (10.175.103.91) by dggpeml500017.china.huawei.com (7.185.36.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 21 May 2021 11:55:19 +0800 From: Yang Yingliang To: , CC: , Subject: [PATCH -next v2] sfc: farch: fix compile warning in efx_farch_dimension_resources() Date: Fri, 21 May 2021 11:57:21 +0800 Message-ID: <20210521035721.1015333-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpeml500017.china.huawei.com (7.185.36.243) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fix the following kernel build warning when CONFIG_SFC_SRIOV is disabled: drivers/net/ethernet/sfc/farch.c: In function ‘efx_farch_dimension_resources’: drivers/net/ethernet/sfc/farch.c:1671:21: warning: variable ‘buftbl_min’ set but not used [-Wunused-but-set-variable] unsigned vi_count, buftbl_min, total_tx_channels; Signed-off-by: Yang Yingliang --- drivers/net/ethernet/sfc/farch.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index 49df02ecee91..148dcd48b58d 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -1668,13 +1668,17 @@ void efx_farch_rx_pull_indir_table(struct efx_nic *efx) */ void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw) { - unsigned vi_count, buftbl_min, total_tx_channels; - + unsigned vi_count, total_tx_channels; #ifdef CONFIG_SFC_SRIOV - struct siena_nic_data *nic_data = efx->nic_data; + struct siena_nic_data *nic_data; + unsigned buftbl_min; #endif total_tx_channels = efx->n_tx_channels + efx->n_extra_tx_channels; + vi_count = max(efx->n_channels, total_tx_channels * EFX_MAX_TXQ_PER_CHANNEL); + +#ifdef CONFIG_SFC_SRIOV + nic_data = efx->nic_data; /* Account for the buffer table entries backing the datapath channels * and the descriptor caches for those channels. */ @@ -1682,9 +1686,6 @@ void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw) total_tx_channels * EFX_MAX_TXQ_PER_CHANNEL * EFX_MAX_DMAQ_SIZE + efx->n_channels * EFX_MAX_EVQ_SIZE) * sizeof(efx_qword_t) / EFX_BUF_SIZE); - vi_count = max(efx->n_channels, total_tx_channels * EFX_MAX_TXQ_PER_CHANNEL); - -#ifdef CONFIG_SFC_SRIOV if (efx->type->sriov_wanted) { if (efx->type->sriov_wanted(efx)) { unsigned vi_dc_entries, buftbl_free;