From patchwork Wed Mar 12 09:34:30 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 14013201 X-Patchwork-Delegate: kuba@kernel.org 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 131A32222DB; Wed, 12 Mar 2025 09:35:00 +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=1741772102; cv=none; b=Mf0jxLjy8kelJfF1YFx2cgJJ3p79F1VHiz1lVeWvBw5LkgWeZF8+D4adwOmUNziS7zxTgm01RCb9rk1EeL4oOsdIZ4tuaByXEA1seUk05LiHWfUuFIKN2i4NETZeHlQNTd/qKR9WZN4IVrN7QmwmIuFeh7lzUeAea/su1h/dm/s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741772102; c=relaxed/simple; bh=dFSn6WioLOu3BX2wma8HAiZFCtEImdTOEuES6UVu8Yg=; h=In-Reply-To:References:From:To:Cc:Subject:MIME-Version: Content-Disposition:Content-Type:Message-Id:Date; b=DJ4KbOJFrJhk91MBC1YG9T0BKdvCcYDjgSXGoPvZwRUwZOqQwxDepGxNwJHbhMnDK6ay2m7FjdhmQ1UmFuHiLFCMf9O1AdqDzp24pgpk7XkNAP3IwaIj75MR5lzRJxBFdqmbtMK8RdaE+yTE7uTkGjvIi/bkWDh5rDgLjIMhVjU= 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=Cje0fCZP; 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="Cje0fCZP" 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=HlbmyzYzLADsI2UNSNeNHJhLaybCyKx8Gh+zDwNi5KA=; b=Cje0fCZPMZ5rLcB/uy+H0ZonX6 X5XnBKLvztTCG+EXQynSq4V/Ub9m32CdpJvnOI9MaCei0ucOk9BRQAK7ggYkb2mgJnZZQKKJNUsLh rRwBbXGOyATiADxvM4E2Y5cxeJ2C5/wY/bWOW6L5mDQ6ZaapCf3YeT3Wa/5DGPVGb0IG0LR5Z1Ab/ wiW20vJeSUaaQG/SQAP1bmGUePWtb9SWc3Vk8QcFx6W1AjZd82JiblvB7eJG5+6oQve6+zA1EyHg5 jSb0McZT9d768gNKEw1IzMgNlSB9S1wRodBi14cPg6bdUoOsYuRfD29TFi9WovUOUArs66uPZ3PaS iz5bn6ag==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:51964 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 4.96) (envelope-from ) id 1tsIUF-0005H0-1t; Wed, 12 Mar 2025 09:34:51 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1tsITu-005vGF-TM; Wed, 12 Mar 2025 09:34:30 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: Albert Ou , Alexandre Ghiti , Alexandre Torgue , Andrew Lunn , Conor Dooley , Conor Dooley , "David S. Miller" , devicetree@vger.kernel.org, Emil Renner Berthing , Eric Dumazet , Giuseppe Cavallaro , Jakub Kicinski , Jose Abreu , Krzysztof Kozlowski , Lad Prabhakar , linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Maxime Coquelin , Minda Chen , netdev@vger.kernel.org, Palmer Dabbelt , Paolo Abeni , Paul Walmsley , Rob Herring , Samin Guo Subject: [PATCH net-next v2 2/7] net: stmmac: starfive: use PHY capability for TX clock stop Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Message-Id: Sender: Russell King Date: Wed, 12 Mar 2025 09:34:30 +0000 X-Patchwork-Delegate: kuba@kernel.org Whether the MII transmit clock can be stopped is primarily a property of the PHY (there is a capability bit that should be checked first.) Whether the MAC is capable of stopping the transmit clock is a separate issue, but this is already handled by the core DesignWare MAC code. Add the flag to allow the stmmac core to use the PHY capability. Cc: Samin Guo Signed-off-by: Russell King (Oracle) --- drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c index 5e31cb3bb4b8..2013d7477eb7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c @@ -124,6 +124,7 @@ static int starfive_dwmac_probe(struct platform_device *pdev) plat_dat->set_clk_tx_rate = stmmac_set_clk_tx_rate; dwmac->dev = &pdev->dev; + plat_dat->flags |= STMMAC_FLAG_EN_TX_LPI_CLK_PHY_CAP; plat_dat->bsp_priv = dwmac; plat_dat->dma_cfg->dche = true;