From mboxrd@z Thu Jan 1 00:00:00 1970 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 15F84EF4EC2 for ; Mon, 6 Apr 2026 10:35:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sJq2Ld3pUErqlJ6spdMNxKDQl5GDN/RNLgbKcKXRQDg=; b=EntRIYkBdM5Qy9d74JFlfoqEDD nficLBB+k8svjha4PRhgt6FVQoznTS5Zbd9qxqeALN/nOtWZeNe/KSsRbWlEM2SqKRKLyYV1LWriz 5IhYSRsdGOQnDsmxidfGIKFguj3nDSUfUgrt+LU9+bvrfLak15dQVFgQJQ61rwIGUNqkCHQHtoWuB 2kNx7j1QHKXhySHYBHi4ggjA1xgSb1wZq18sGMnBjjnzmkdchDnBojkgdoiVzNYgtHa9IPxP48aAk 1VcddnwR6ofKSFDVWhjNAdAoTN3SYCj2qnvmpTMT9Z4d66WpqPAKcx2OIGOgutXjxEAAngvZgIwjt tUcntRyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w9hIs-000000051VA-1QXQ; Mon, 06 Apr 2026 10:35:34 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w9hIW-000000051HR-3vmw; Mon, 06 Apr 2026 10:35:13 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 5F253600AC; Mon, 6 Apr 2026 10:35:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6CC8C2BC9E; Mon, 6 Apr 2026 10:35:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775471712; bh=vV1ZcCdNzp5+nHBehfjN7bjS7lsMPLgRwlGzKNUMrMM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=IqqpZpFEncyoSw/Ekcg5f0BLeoXE1MkKqvNCBeWqLZaiSvvbu9DSo1kd8jWXBQrmG RdAA/Fd0NsZvu8WGdn9fClw//9FX5Dq7r+VSVV610ltUjDAt5KFAQJes7gS5TVf/4n 2rDN1W2WSm75aFbcx6mcvfV29JYFTtYuGOtrmfNJGYkWj9LJncyLnPXBe0k6Kx+dZf CM6YU3Os/yGBlN8ZdEBsMyN66qw9NnQSiWUad8Zpgd2pnD4xXZbRxnMDsNZCAbhtD1 VlLhshc32vknQ1BP3rDrqV+33yL/auvlmFlnUuEk6ss4q+QehHnLwIujNn5tn6DOgf WUU6NGa58uR+g== From: Lorenzo Bianconi Date: Mon, 06 Apr 2026 12:34:13 +0200 Subject: [PATCH net-next v3 08/12] net: airoha: Rely on airoha_gdm_dev pointer in airhoa_is_lan_gdm_port() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260406-airoha-eth-multi-serdes-v3-8-ab6ea49d59ff@kernel.org> References: <20260406-airoha-eth-multi-serdes-v3-0-ab6ea49d59ff@kernel.org> In-Reply-To: <20260406-airoha-eth-multi-serdes-v3-0-ab6ea49d59ff@kernel.org> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Bianconi Cc: Christian Marangi , Benjamin Larsson , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, Xuegang Lu X-Mailer: b4 0.14.3 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 Rename airhoa_is_lan_gdm_port in airhoa_is_lan_gdm_dev. Moreover, rely on airoha_gdm_dev pointer in airhoa_is_lan_gdm_dev() instead of airoha_gdm_port one. This is a preliminary patch to support multiple net_devices connected to the same GDM{3,4} port via an external hw arbiter. Tested-by: Xuegang Lu Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/airoha/airoha_eth.c | 6 ++---- drivers/net/ethernet/airoha/airoha_eth.h | 4 +++- drivers/net/ethernet/airoha/airoha_ppe.c | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c index 716b73f0dff4..d25b0338b5ca 100644 --- a/drivers/net/ethernet/airoha/airoha_eth.c +++ b/drivers/net/ethernet/airoha/airoha_eth.c @@ -73,12 +73,10 @@ static void airoha_qdma_irq_disable(struct airoha_irq_bank *irq_bank, static void airoha_set_macaddr(struct airoha_gdm_dev *dev, const u8 *addr) { - struct airoha_gdm_port *port = dev->port; struct airoha_eth *eth = dev->eth; u32 val, reg; - reg = airoha_is_lan_gdm_port(port) ? REG_FE_LAN_MAC_H - : REG_FE_WAN_MAC_H; + reg = airoha_is_lan_gdm_dev(dev) ? REG_FE_LAN_MAC_H : REG_FE_WAN_MAC_H; val = (addr[0] << 16) | (addr[1] << 8) | addr[2]; airoha_fe_wr(eth, reg, val); @@ -1802,7 +1800,7 @@ static int airoha_dev_init(struct net_device *netdev) int i; /* QDMA0 is used for lan ports while QDMA1 is used for WAN ports */ - dev->qdma = ð->qdma[!airoha_is_lan_gdm_port(port)]; + dev->qdma = ð->qdma[!airoha_is_lan_gdm_dev(dev)]; dev->dev->irq = dev->qdma->irq_banks[0].irq; airoha_set_macaddr(dev, netdev->dev_addr); diff --git a/drivers/net/ethernet/airoha/airoha_eth.h b/drivers/net/ethernet/airoha/airoha_eth.h index 05ffe4d9de4f..e6c87ed20b39 100644 --- a/drivers/net/ethernet/airoha/airoha_eth.h +++ b/drivers/net/ethernet/airoha/airoha_eth.h @@ -633,8 +633,10 @@ u32 airoha_rmw(void __iomem *base, u32 offset, u32 mask, u32 val); #define airoha_qdma_clear(qdma, offset, val) \ airoha_rmw((qdma)->regs, (offset), (val), 0) -static inline bool airoha_is_lan_gdm_port(struct airoha_gdm_port *port) +static inline bool airoha_is_lan_gdm_dev(struct airoha_gdm_dev *dev) { + struct airoha_gdm_port *port = dev->port; + /* GDM1 port on EN7581 SoC is connected to the lan dsa switch. * GDM{2,3,4} can be used as wan port connected to an external * phy module. diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c index 2d4560e9ec5f..712fc336c073 100644 --- a/drivers/net/ethernet/airoha/airoha_ppe.c +++ b/drivers/net/ethernet/airoha/airoha_ppe.c @@ -347,7 +347,7 @@ static int airoha_ppe_foe_entry_prepare(struct airoha_eth *eth, /* For downlink traffic consume SRAM memory for hw * forwarding descriptors queue. */ - if (airoha_is_lan_gdm_port(port)) + if (airoha_is_lan_gdm_dev(dev)) val |= AIROHA_FOE_IB2_FAST_PATH; if (dsa_port >= 0) val |= FIELD_PREP(AIROHA_FOE_IB2_NBQ, -- 2.53.0