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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: Andrew Lunn <andrew+netdev@lunn.ch>,
	 "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	 Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,  Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Christian Marangi <ansuelsmth@gmail.com>,
	 Benjamin Larsson <benjamin.larsson@genexis.eu>,
	 linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,  netdev@vger.kernel.org,
	devicetree@vger.kernel.org,  Xuegang Lu <xuegang.lu@airoha.com>
Subject: [PATCH net-next v2 08/11] net: airoha: Rely on airoha_gdm_dev pointer in airhoa_is_lan_gdm_port()
Date: Wed, 01 Apr 2026 08:59:26 +0200	[thread overview]
Message-ID: <20260401-airoha-eth-multi-serdes-v2-8-ac427ae4beeb@kernel.org> (raw)
In-Reply-To: <20260401-airoha-eth-multi-serdes-v2-0-ac427ae4beeb@kernel.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 <xuegang.lu@airoha.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 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 8a9d79afe48d636e17168d43ed152620ed661435..5e489e8593ba6ad3d5d9f6a383c827919153652e 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);
 
@@ -1785,7 +1783,7 @@ 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 = &eth->qdma[!airoha_is_lan_gdm_port(port)];
+	dev->qdma = &eth->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 b1e05cb67ce93640b25355106947ca2ab31f7235..c444ba7832dec356286e5dd2166aba792fdd2c5f 100644
--- a/drivers/net/ethernet/airoha/airoha_eth.h
+++ b/drivers/net/ethernet/airoha/airoha_eth.h
@@ -632,8 +632,10 @@ 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 6c55ffa40edad63ec135cd0c987b3bcac0b0fbf6..c86cbbfacc1e6e049ccac60d703edc8ca53eff9b 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



  parent reply	other threads:[~2026-04-01  7:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-01  6:59 [PATCH net-next v2 00/11] net: airoha: Support multiple net_devices connected to the same GDM port Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 01/11] dt-bindings: net: airoha: Add EN7581 ethernet-ports properties Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 02/11] net: airoha: Set PPE cpu port for GDM2 if loopback is enabled Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 03/11] net: airoha: Rely on net_device pointer in airoha_dev_setup_tc_block signature Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 04/11] net: airoha: Rely on net_device pointer in HTB callbacks Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 05/11] net: airoha: Rely on net_device pointer in ETS callbacks Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 06/11] net: airoha: Introduce airoha_gdm_dev struct Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 07/11] net: airoha: Move airoha_qdma pointer in " Lorenzo Bianconi
2026-04-01  6:59 ` Lorenzo Bianconi [this message]
2026-04-01  6:59 ` [PATCH net-next v2 09/11] net: airoha: Support multiple net_devices for a single FE GDM port Lorenzo Bianconi
2026-04-03  1:12   ` Jakub Kicinski
2026-04-03 10:18     ` Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 10/11] net: airoha: Do not stop GDM port if it is shared Lorenzo Bianconi
2026-04-03  1:12   ` Jakub Kicinski
2026-04-03 10:18     ` Lorenzo Bianconi
2026-04-01  6:59 ` [PATCH net-next v2 11/11] net: airoha: Rename get_src_port_id callback in get_sport Lorenzo Bianconi

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