From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) (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 4ABD22F25E4 for ; Fri, 23 Jan 2026 11:02:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.32.30.218 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769166124; cv=none; b=WvR0d2U2g+SLnU15jV6aAfunwFS6b+ESlhwWD5K6vqNZjpdFvstPdy8zydsaYR+f1QeFK5og+RJn6g7h7A0McV9LZcdYQQNt947OtMx9q2MX1qjrsURoyVRHiVkWRhUP4LeqMMzu57g7fUpAgzy85N5SmOj006YAeiGH4tL+SII= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769166124; c=relaxed/simple; bh=e96jg7OwE2r0ekrdhwJZnYHYnmL8MGX0dN0vYX28pII=; h=In-Reply-To:References:From:To:Cc:Subject:MIME-Version: Content-Disposition:Content-Type:Message-Id:Date; b=qV9sStIgCC9YeweacpAptJNnEaVdoFYLT+UsPuLFBWELqh6vlMFf9f2uD7wtMBs/EjIxfhvCYURVNZKpb8IQyrv6zDiMTP0mMikLjOZCi8rHLMfmnNZxYOgu3OE656T1WKRnuRGbCLYQSrUTQF5hND6+NRTPLcXAQmyG/YBTfi4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk; spf=none smtp.mailfrom=armlinux.org.uk; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b=ddOs+3RH; arc=none smtp.client-ip=78.32.30.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="ddOs+3RH" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=6H4RkMNQBD86K6h3RpMIs8+fLiyTgqows1prrkVr0U0=; b=ddOs+3RH+3PyumGxMfND58X8BB Z2mMzVfAedxmLKZ1SQoTPM+wo3S9at/Opgi091E9GDvVYlFX6Qp7X1RQZTGmLnk4xPSxJtsTwRKhp PYEWbouv4ZvF5YuYRkL6lDUVra6KFlYx43BVUA9PDDQW7o/efbXozfely/KpK2jxx1xM9GVfEyVbZ LrcmkMp6wWuSP3n9vzISLsCDPSt4N0Ltp/T3milS5DubDI49SlXrAQ6ow43tboyC6PiaWATD4Zzxh Pd+zka9cCLRus07QYRAZ+pJZ71m/KkrrG++QnrIL2t61Fv2xVTf+vKIQ6uFHkWWZUm4+5hTFh6PFA 2Byd6/tA==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:42710 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vjEv8-000000001qq-1hRV; Fri, 23 Jan 2026 11:01:42 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.98.2) (envelope-from ) id 1vjEv5-00000005gh7-2F9C; Fri, 23 Jan 2026 11:01:39 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn Cc: Alexandre Torgue , Andrew Lunn , "David S. Miller" , Eric Dumazet , Heiko Stuebner , Jakub Kicinski , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, netdev@vger.kernel.org, Paolo Abeni Subject: [PATCH net-next 16/21] net: stmmac: rk: introduce flags indicating support for RGMII/RMII Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" Message-Id: Sender: Russell King Date: Fri, 23 Jan 2026 11:01:39 +0000 Introduce two boolean flags into struct rk_priv_data indicating whether RGMII and/or RMII is supported for this instance. Use these to configure the supported_interfaces mask for phylink, validate the interface mode. Initialise these from equivalent flags in the rk_gmac_ops or depending on the presence of the ops->set_to_rgmii and ops->set_to_mii methods. Finally, make ops->set_to_* optional. This will allow us to get rid of empty set_to_rmii() methods. Signed-off-by: Russell King (Oracle) --- .../net/ethernet/stmicro/stmmac/dwmac-rk.c | 35 +++++++++++++------ 1 file changed, 25 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 802052beb668..49a075565832 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -52,6 +52,8 @@ struct rk_gmac_ops { struct rk_clock_fields clock; bool clock_grf_reg_in_php; + bool supports_rgmii; + bool supports_rmii; bool php_grf_required; bool regs_valid; u32 regs[]; @@ -85,6 +87,8 @@ struct rk_priv_data { bool clk_enabled; bool clock_input; bool integrated_phy; + bool supports_rgmii; + bool supports_rmii; struct clk_bulk_data *clks; int num_clks; @@ -1401,6 +1405,9 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, bsp_priv->clock_grf_reg = ops->clock_grf_reg; bsp_priv->clock = ops->clock; + bsp_priv->supports_rgmii = ops->supports_rgmii || !!ops->set_to_rgmii; + bsp_priv->supports_rmii = ops->supports_rmii || !!ops->set_to_rmii; + if (ops->init) { ret = ops->init(bsp_priv); if (ret) { @@ -1419,11 +1426,11 @@ static int rk_gmac_check_ops(struct rk_priv_data *bsp_priv) case PHY_INTERFACE_MODE_RGMII_ID: case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: - if (!bsp_priv->ops->set_to_rgmii) + if (!bsp_priv->supports_rgmii) return -EINVAL; break; case PHY_INTERFACE_MODE_RMII: - if (!bsp_priv->ops->set_to_rmii) + if (!bsp_priv->supports_rmii) return -EINVAL; break; default: @@ -1469,24 +1476,32 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) switch (bsp_priv->phy_iface) { case PHY_INTERFACE_MODE_RGMII: dev_info(dev, "init for RGMII\n"); - bsp_priv->ops->set_to_rgmii(bsp_priv, bsp_priv->tx_delay, - bsp_priv->rx_delay); + if (bsp_priv->ops->set_to_rgmii) + bsp_priv->ops->set_to_rgmii(bsp_priv, + bsp_priv->tx_delay, + bsp_priv->rx_delay); break; case PHY_INTERFACE_MODE_RGMII_ID: dev_info(dev, "init for RGMII_ID\n"); - bsp_priv->ops->set_to_rgmii(bsp_priv, 0, 0); + if (bsp_priv->ops->set_to_rgmii) + bsp_priv->ops->set_to_rgmii(bsp_priv, 0, 0); break; case PHY_INTERFACE_MODE_RGMII_RXID: dev_info(dev, "init for RGMII_RXID\n"); - bsp_priv->ops->set_to_rgmii(bsp_priv, bsp_priv->tx_delay, 0); + if (bsp_priv->ops->set_to_rgmii) + bsp_priv->ops->set_to_rgmii(bsp_priv, + bsp_priv->tx_delay, 0); break; case PHY_INTERFACE_MODE_RGMII_TXID: dev_info(dev, "init for RGMII_TXID\n"); - bsp_priv->ops->set_to_rgmii(bsp_priv, 0, bsp_priv->rx_delay); + if (bsp_priv->ops->set_to_rgmii) + bsp_priv->ops->set_to_rgmii(bsp_priv, + 0, bsp_priv->rx_delay); break; case PHY_INTERFACE_MODE_RMII: dev_info(dev, "init for RMII\n"); - bsp_priv->ops->set_to_rmii(bsp_priv); + if (bsp_priv->ops->set_to_rmii) + bsp_priv->ops->set_to_rmii(bsp_priv); break; default: dev_err(dev, "NO interface defined!\n"); @@ -1522,10 +1537,10 @@ static void rk_get_interfaces(struct stmmac_priv *priv, void *bsp_priv, { struct rk_priv_data *rk = bsp_priv; - if (rk->ops->set_to_rgmii) + if (rk->supports_rgmii) phy_interface_set_rgmii(interfaces); - if (rk->ops->set_to_rmii) + if (rk->supports_rmii) __set_bit(PHY_INTERFACE_MODE_RMII, interfaces); } -- 2.47.3