From patchwork Fri May 10 07:38:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Romain Gantois X-Patchwork-Id: 13661004 X-Patchwork-Delegate: kuba@kernel.org Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) (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 52FB016079D; Fri, 10 May 2024 07:37:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.193 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715326665; cv=none; b=MktR+AtN8LDI9mtEBdyk8P5Sg5w54DBKT+5kKjjfaY+gPZT2ktJEpQ8x1ON7W+5JM+oEEAOC7skT2Ykei31dlHAJmRElzdfBR982L1gXTp+nr6kJQ3TXnA5/5qbyW1yOEDOJA7VA/K++W2D3ISGKNqtZfU4u3Ih6RPzQIxqMOt8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715326665; c=relaxed/simple; bh=LrzkcTg0ziAo1281NHtial15InJnlwTYePwWReG4hx4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qoFou1YnEzotngvKOg3NLvNzPy6t2sRLi/q5inMYnMvkej4rVWJdDVyGMBLtP99z0ZW6hzoaGDe22RgOByF8Pa/ncYk41OK/Ic9dUwdCm0orzWWFZYgakGZz7fYvtRc3ucoEiPvfP7AkChCsUzwLdedVgQEIgIEteGZDKCJeSn0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=GFDmGkT1; arc=none smtp.client-ip=217.70.183.193 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="GFDmGkT1" Received: by mail.gandi.net (Postfix) with ESMTPSA id 2788C240005; Fri, 10 May 2024 07:37:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1715326656; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s6lX9CFr+i5aMsyivdRLP1OBs4c+aSnEvczm3xZsmeE=; b=GFDmGkT1j2bOE1KvvqCzhvy0d8K7ntQAg/UGwL8XK8uZqmuMfayeWbpBT7C/5IZwoIBZn/ vwk3b7vXDCiBmBqBmzjVzBNGWsu2auIWzIhn4bi1jLYjCMXfFjqWIkMkUgciPuiAXszhvw puy/6KA3H/wyS/jdQgdoF1BRQ+Pb02yvZWlD/z0lWOfWFd0XkwmH/nQ8ieZlAzfwszgQ+w HZtBl7eNNe7Wmb5tAywqBaicPXkeXYKazQwq7x1o2xGJugptB/E9AQl/B3HCDXKLRKU1TP VS+Z+mSoHMa9MRlBMe+D2QNLW2mDZfe7g0BenGV2QhyHKKN0WFuAXvOzSkIqFQ== From: Romain Gantois Date: Fri, 10 May 2024 09:38:11 +0200 Subject: [PATCH net-next v6 4/7] net: stmmac: introduce pcs_init/pcs_exit stmmac operations Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240510-rzn1-gmac1-v6-4-b63942be334c@bootlin.com> References: <20240510-rzn1-gmac1-v6-0-b63942be334c@bootlin.com> In-Reply-To: <20240510-rzn1-gmac1-v6-0-b63942be334c@bootlin.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Russell King , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Serge Semin Cc: Thomas Petazzoni , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, "Russell King (Oracle)" , Maxime Chevallier , Romain Gantois X-Mailer: b4 0.13.0 X-GND-Sasl: romain.gantois@bootlin.com X-Patchwork-Delegate: kuba@kernel.org From: "Russell King (Oracle)" Introduce a mechanism whereby platforms can create their PCS instances prior to the network device being published to userspace, but after some of the core stmmac initialisation has been completed. This means that the data structures that platforms need will be available. Signed-off-by: Russell King (Oracle) Reviewed-by: Maxime Chevallier Reviewed-by: Serge Semin Co-developed-by: Romain Gantois Signed-off-by: Romain Gantois --- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 8 +++++++- include/linux/stmmac.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index 778d79cdb2e6d..f562c563aab55 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -505,7 +505,10 @@ int stmmac_pcs_setup(struct net_device *ndev) priv = netdev_priv(ndev); mode = priv->plat->phy_interface; - if (priv->plat->mdio_bus_data && priv->plat->mdio_bus_data->has_xpcs) { + if (priv->plat->pcs_init) { + ret = priv->plat->pcs_init(priv); + } else if (priv->plat->mdio_bus_data && + priv->plat->mdio_bus_data->has_xpcs) { /* Try to probe the XPCS by scanning all addresses */ for (addr = 0; addr < PHY_MAX_ADDR; addr++) { xpcs = xpcs_create_mdiodev(priv->mii, addr, mode); @@ -533,6 +536,9 @@ void stmmac_pcs_clean(struct net_device *ndev) { struct stmmac_priv *priv = netdev_priv(ndev); + if (priv->plat->pcs_exit) + priv->plat->pcs_exit(priv); + if (!priv->hw->xpcs) return; diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index dfa1828cd756a..4a24a246c617d 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -285,6 +285,8 @@ struct plat_stmmacenet_data { int (*crosststamp)(ktime_t *device, struct system_counterval_t *system, void *ctx); void (*dump_debug_regs)(void *priv); + int (*pcs_init)(struct stmmac_priv *priv); + void (*pcs_exit)(struct stmmac_priv *priv); void *bsp_priv; struct clk *stmmac_clk; struct clk *pclk;