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 67A6C175A7B; Sat, 16 May 2026 05:57:39 +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=1778911059; cv=none; b=k57zuFoZexnhyyonkPToH9/8PbsvmleIHhUqEj+0kaAlN8IO4T3oKxl45PejRIj8XvHhMirKhyg67DqvQevLnZZ4Cw8qirvAspjdxkLGxBqUj+aEqdOyh15xz3iGrt/Grl+K7BWVWwXxUoSub3ndW3Js8QoHR4BWKcTjSqmjc88= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778911059; c=relaxed/simple; bh=JprcvVBGGj6Uu7RHG3PFG5lF32g1wokoU3ClYAinnb8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=W5mX94VftfgLYYvS7IW0KfQ7XU5wiSFC4YBwBdaDCGwXnjSAnixRtko2IKsRlzPod/pYIzgii3bORnjHcH83EH13MgwzVzd+650zjUBDztYs8Yw7F8uWVXe2AGf/85JxEgX+fHAuEmPLc8gEE0ommdFZJFmKl8JNEgkcp81bC1E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aO9q4Rzs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aO9q4Rzs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8784C19425; Sat, 16 May 2026 05:57:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778911059; bh=JprcvVBGGj6Uu7RHG3PFG5lF32g1wokoU3ClYAinnb8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=aO9q4RzsRD7+3ezF/vDX8tTG46N9spUGN1cZLErQJUKqdyoGayNtqczU/5lH4OvYK Pa8KHe5yTV5UGKSsRpdA+oYmLnxxjT/ylqw5whR8GT1t9GwXqGqpZGz6jMoySx3Q85 ahwIiAubjxo+GKsk6TpWNSuAfzYUmkLdLfEWZjo7L2zgsrNL0QXC2agyrFnTnslaRS Dw+X1ogfFsau4KY5bIxOl+gUdrovYMRpWoT9R+Kv47EwUL33hO0dmOokpMBSRf5PWO a4fjkn5XNZjyJ6t06gSKTi0q+ZSWZkK0q0fCbBu8pNYrKmrrZZVPo7gHNSH6IwktIu Ltg8IiGD8ppzA== From: Lorenzo Bianconi Date: Sat, 16 May 2026 07:57:06 +0200 Subject: [PATCH net-next v7 04/10] net: airoha: Rely on airoha_gdm_dev pointer in airoha_is_lan_gdm_port() Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260516-airoha-eth-multi-serdes-v7-4-99e0093303e2@kernel.org> References: <20260516-airoha-eth-multi-serdes-v7-0-99e0093303e2@kernel.org> In-Reply-To: <20260516-airoha-eth-multi-serdes-v7-0-99e0093303e2@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 Rename airoha_is_lan_gdm_port in airoha_is_lan_gdm_dev. Moreover, rely on airoha_gdm_dev pointer in airoha_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 6c9f4b289dba..b90fc1cbfbc4 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); @@ -1863,7 +1861,7 @@ 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 f1eea492217c..f6f59d25abd9 100644 --- a/drivers/net/ethernet/airoha/airoha_eth.h +++ b/drivers/net/ethernet/airoha/airoha_eth.h @@ -647,8 +647,10 @@ static inline u16 airoha_qdma_get_txq(struct airoha_qdma *qdma, u16 qid) return qid % ARRAY_SIZE(qdma->q_tx); } -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 22f5f1bae730..047141b2d6d8 100644 --- a/drivers/net/ethernet/airoha/airoha_ppe.c +++ b/drivers/net/ethernet/airoha/airoha_ppe.c @@ -362,7 +362,7 @@ 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, -- 2.54.0