netdev - [PATCH net-next 7/8] net: stmmac: provide the open() callback

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Date: Wed, 19 Jun 2024 20:45:48 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Vinod Koul <vkoul@...nel.org>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>
Cc: netdev@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH net-next 7/8] net: stmmac: provide the open() callback

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Provide drivers with means of injecting additional code into the
stmmac_open() function.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++
 include/linux/stmmac.h                            | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 644bc8a24661..5f628176d994 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3953,6 +3953,9 @@ static int __stmmac_open(struct net_device *dev,
 	if (ret < 0)
 		return ret;
 
+	if (priv->plat->open)
+		priv->plat->open(dev, priv->plat->bsp_priv);
+
 	if ((!priv->hw->xpcs ||
 	     xpcs_get_an_mode(priv->hw->xpcs, mode) != DW_AN_C73)) {
 		ret = stmmac_init_phy(dev);
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 9dc54d6d65ae..59991b38cadb 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -262,6 +262,7 @@ struct plat_stmmacenet_data {
 	void (*serdes_powerdown)(struct net_device *ndev, void *priv);
 	void (*speed_mode_2500)(struct net_device *ndev, void *priv);
 	void (*ptp_clk_freq_config)(struct stmmac_priv *priv);
+	void (*open)(struct net_device *ndev, void *priv);
 	int (*init)(struct platform_device *pdev, void *priv);
 	void (*exit)(struct platform_device *pdev, void *priv);
 	struct mac_device_info *(*setup)(void *priv);
-- 
2.43.0