From patchwork Fri Jul 21 21:33:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13322602 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4A822EB64DD for ; Fri, 21 Jul 2023 21:34:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=6H1IJ8iBrP4OhUFXkDd+wvblDGmYpcSo8UrsO2vTMxk=; b=aHPPRNOASeBIp7 BFWKUd/+TYREwpQwobZI9augbdUt66DflKEn10WS/2kjtprzZFv1/9bxx+NV2UThJtF6l7ZnDn/23 jUQUFhset3KX8ACmhRtiYa4LrahfJ5lp24AWx68u5uyeE2+WD4vZGFGC7Q7E7+hzOcBenAvVzqLx/ PEZTa7Q9h7oASUWV1gVOaBp8jil+WLTUiLeIfoJyeNdogK31E5fk9rlc/2qjCHePeZjbkveK5VTAg OH//+eLOkH1+M/qLrHOmqUcsR+FYvS3Bvf6lUlZfyAtxmdroYkgxAZKMyVoRZSDB1O1yQmbngq5lk I48wQCz7TPuPUH+4ZQxw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qMxkp-00FB75-2n; Fri, 21 Jul 2023 21:33:39 +0000 Received: from pidgin.makrotopia.org ([185.142.180.65]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qMxkm-00FB5j-1t; Fri, 21 Jul 2023 21:33:38 +0000 Received: from local by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1qMxkY-0004bG-0A; Fri, 21 Jul 2023 21:33:22 +0000 Date: Fri, 21 Jul 2023 22:33:14 +0100 From: Daniel Golle To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Felix Fietkau , John Crispin , Sean Wang , Mark Lee , Lorenzo Bianconi , Matthias Brugger , AngeloGioacchino Del Regno , Russell King , =?iso-8859-1?q?Bj=F8rn?= Mork , Greg Ungerer , Florian Fainelli , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH net-next v4 5/9] net: ethernet: mtk_eth_soc: rely on MTK_MAX_DEVS and remove MTK_MAC_COUNT Message-ID: <99eeb326f458e48d509f987df117ce95eae4d664.1689974536.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230721_143336_619683_7F5A8596 X-CRM114-Status: GOOD ( 20.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Lorenzo Bianconi Get rid of MTK_MAC_COUNT since it is a duplicated of MTK_MAX_DEVS. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 49 ++++++++++++--------- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 - 2 files changed, 27 insertions(+), 23 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 6f27c66c69cba..e744b32a3928c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -963,7 +963,7 @@ static void mtk_stats_update(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { if (!eth->mac[i] || !eth->mac[i]->hw_stats) continue; if (spin_trylock(ð->mac[i]->hw_stats->stats_lock)) { @@ -1468,7 +1468,7 @@ static int mtk_queue_stopped(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { if (!eth->netdev[i]) continue; if (netif_queue_stopped(eth->netdev[i])) @@ -1482,7 +1482,7 @@ static void mtk_wake_queue(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { if (!eth->netdev[i]) continue; netif_tx_wake_all_queues(eth->netdev[i]); @@ -1941,7 +1941,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) mac = RX_DMA_GET_SPORT(trxd.rxd4) - 1; - if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT || + if (unlikely(mac < 0 || mac >= MTK_MAX_DEVS || !eth->netdev[mac])) goto release_desc; @@ -2978,7 +2978,7 @@ static void mtk_dma_free(struct mtk_eth *eth) const struct mtk_soc_data *soc = eth->soc; int i; - for (i = 0; i < MTK_MAC_COUNT; i++) + for (i = 0; i < MTK_MAX_DEVS; i++) if (eth->netdev[i]) netdev_reset_queue(eth->netdev[i]); if (eth->scratch_ring) { @@ -3132,8 +3132,13 @@ static void mtk_gdm_config(struct mtk_eth *eth, u32 config) if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) return; - for (i = 0; i < MTK_MAC_COUNT; i++) { - u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); + for (i = 0; i < MTK_MAX_DEVS; i++) { + u32 val; + + if (!eth->netdev[i]) + continue; + + val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); /* default setup the forward port to send frame to PDMA */ val &= ~0xffff; @@ -3143,7 +3148,7 @@ static void mtk_gdm_config(struct mtk_eth *eth, u32 config) val |= config; - if (eth->netdev[i] && netdev_uses_dsa(eth->netdev[i])) + if (netdev_uses_dsa(eth->netdev[i])) val |= MTK_GDMA_SPECIAL_TAG; mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i)); @@ -3745,15 +3750,15 @@ static int mtk_hw_init(struct mtk_eth *eth, bool reset) * up with the more appropriate value when mtk_mac_config call is being * invoked. */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { struct net_device *dev = eth->netdev[i]; - mtk_w32(eth, MAC_MCR_FORCE_LINK_DOWN, MTK_MAC_MCR(i)); - if (dev) { - struct mtk_mac *mac = netdev_priv(dev); + if (!dev) + continue; - mtk_set_mcr_max_rx(mac, dev->mtu + MTK_RX_ETH_HLEN); - } + mtk_w32(eth, MAC_MCR_FORCE_LINK_DOWN, MTK_MAC_MCR(i)); + mtk_set_mcr_max_rx(netdev_priv(dev), + dev->mtu + MTK_RX_ETH_HLEN); } /* Indicates CDM to parse the MTK special tag from CPU @@ -3950,7 +3955,7 @@ static void mtk_pending_work(struct work_struct *work) mtk_prepare_for_reset(eth); /* stop all devices to make sure that dma is properly shut down */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { if (!eth->netdev[i] || !netif_running(eth->netdev[i])) continue; @@ -3966,8 +3971,8 @@ static void mtk_pending_work(struct work_struct *work) mtk_hw_init(eth, true); /* restart DMA and enable IRQs */ - for (i = 0; i < MTK_MAC_COUNT; i++) { - if (!test_bit(i, &restart)) + for (i = 0; i < MTK_MAX_DEVS; i++) { + if (!eth->netdev[i] || !test_bit(i, &restart)) continue; if (mtk_open(eth->netdev[i])) { @@ -3994,7 +3999,7 @@ static int mtk_free_dev(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { if (!eth->netdev[i]) continue; free_netdev(eth->netdev[i]); @@ -4013,7 +4018,7 @@ static int mtk_unreg_dev(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { struct mtk_mac *mac; if (!eth->netdev[i]) continue; @@ -4316,7 +4321,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) } id = be32_to_cpup(_id); - if (id >= MTK_MAC_COUNT) { + if (id >= MTK_MAX_DEVS) { dev_err(eth->dev, "%d is not a valid mac id\n", id); return -EINVAL; } @@ -4461,7 +4466,7 @@ void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev) rtnl_lock(); - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { dev = eth->netdev[i]; if (!dev || !(dev->flags & IFF_UP)) @@ -4767,7 +4772,7 @@ static int mtk_remove(struct platform_device *pdev) int i; /* stop all devices to make sure that dma is properly shut down */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < MTK_MAX_DEVS; i++) { if (!eth->netdev[i]) continue; mtk_stop(eth->netdev[i]); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 297b1ba4853fa..e33be61acc047 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -33,7 +33,6 @@ #define MTK_TX_DMA_BUF_LEN_V2 0xffff #define MTK_QDMA_RING_SIZE 2048 #define MTK_DMA_SIZE 512 -#define MTK_MAC_COUNT 2 #define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN) #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) #define MTK_DMA_DUMMY_DESC 0xffffffff