From patchwork Tue Dec 10 12:38:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13901376 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 AC8DF1A4F09 for ; Tue, 10 Dec 2024 12:38:36 +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=1733834318; cv=none; b=R8m0qEfO8RD5lxFHPIlRIGfNF330jeGryE/y4k0ALCHVBtVy3DsXUo7HOyGzbk8iVagkvQZhbSe4FUVtAofHA1Pg+kPGlSRay5i+Z7IifBHOOysoHs4ms/i7BEEJDTcvBvLmd+eyTchkYoPS32sfRS26x+hJSXnpN9AMKmhg5rc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733834318; c=relaxed/simple; bh=Uuz811M0/qDsLOzgHRs8omjHnPq8hQuLqzFbZQ14Pck=; h=From:To:Cc:Subject:MIME-Version:Content-Disposition:Content-Type: Message-Id:Date; b=SrEP3jSkeXvw/mPI1MiPx2vkN/IxVApKM9DJOzwUbL4mVYhkRO20jq3VU7oR/z/oHxEK4F+zm2Yr66A2kWHjJrT05qUARgqmLWCyW1WeB+kysc6q8TxQPaIAItllZ0/n0l+3LQQQPE0t+bEEAFitKIsYF0f9UikoqCq3cA53co8= 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=ZeN111Ek; 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="ZeN111Ek" 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:Reply-To:Content-ID :Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To: Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=F8APTLvIZ5T5NZkTRbLqEB+7gpe8x238BTmGpTJt3oo=; b=ZeN111Ek1fBCI2X1oXYlS/vu0U QGmr0Y5mn1IlhWBQ2MyLCgH/yoAbmbl1T5io4+sXIptEDoSsNvdJCKKSiJ5sUvAm38uIIT7iHujn3 qoZtPclF88Qy/mhcJ4rdSE0sU/GZlAxTXPjlGFl5xH49m5ReTpa9zx8HiHKWfSmDvbrO4YLORcqX5 mD6QEUTW0uNMyIEYzJtjd9Qdwh6r0gLEMnDYQyu+DPDfRWUkUsMGg8QZPC39xdRjbvXno/dvYy3tH nVr187kuRmxJmVPiH7n3d/EmwvIayBqgK8O5HduBFXyq8WJ9VBlLMMjD5sOSQCqhKIQAho5lagXlT YZ6P9btg==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:41454 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 1tKzVT-0002Ix-39; Tue, 10 Dec 2024 12:38:28 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1tKzVS-006c67-IJ; Tue, 10 Dec 2024 12:38:26 +0000 From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: Wei Fang , Shenwei Wang , Clark Wang , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , imx@lists.linux.dev, netdev@vger.kernel.org Subject: [PATCH net-next] net: fec: use phydev->eee_cfg.tx_lpi_timer 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: Tue, 10 Dec 2024 12:38:26 +0000 X-Patchwork-Delegate: kuba@kernel.org Rather than maintaining a private copy of the LPI timer, make use of the LPI timer maintained by phylib. In any case, phylib overwrites the value of tx_lpi_timer set by the driver in phy_ethtool_get_eee(). Note that feb->eee.tx_lpi_timer is initialised to zero, which is just the same with phylib's copy, so there should be no functional change. Signed-off-by: Russell King (Oracle) Tested-by: Wei Fang --- drivers/net/ethernet/freescale/fec.h | 2 -- drivers/net/ethernet/freescale/fec_main.c | 16 ++++++---------- 2 files changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 1cca0425d493..c81f2ea588f2 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -671,8 +671,6 @@ struct fec_enet_private { unsigned int tx_time_itr; unsigned int itr_clk_rate; - /* tx lpi eee mode */ - struct ethtool_keee eee; unsigned int clk_ref_rate; /* ptp clock period in ns*/ diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 1b55047c0237..b2daed55bf6c 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -2045,14 +2045,14 @@ static int fec_enet_us_to_tx_cycle(struct net_device *ndev, int us) return us * (fep->clk_ref_rate / 1000) / 1000; } -static int fec_enet_eee_mode_set(struct net_device *ndev, bool enable) +static int fec_enet_eee_mode_set(struct net_device *ndev, u32 lpi_timer, + bool enable) { struct fec_enet_private *fep = netdev_priv(ndev); - struct ethtool_keee *p = &fep->eee; unsigned int sleep_cycle, wake_cycle; if (enable) { - sleep_cycle = fec_enet_us_to_tx_cycle(ndev, p->tx_lpi_timer); + sleep_cycle = fec_enet_us_to_tx_cycle(ndev, lpi_timer); wake_cycle = sleep_cycle; } else { sleep_cycle = 0; @@ -2105,7 +2105,9 @@ static void fec_enet_adjust_link(struct net_device *ndev) napi_enable(&fep->napi); } if (fep->quirks & FEC_QUIRK_HAS_EEE) - fec_enet_eee_mode_set(ndev, phy_dev->enable_tx_lpi); + fec_enet_eee_mode_set(ndev, + phy_dev->eee_cfg.tx_lpi_timer, + phy_dev->enable_tx_lpi); } else { if (fep->link) { netif_stop_queue(ndev); @@ -3181,7 +3183,6 @@ static int fec_enet_get_eee(struct net_device *ndev, struct ethtool_keee *edata) { struct fec_enet_private *fep = netdev_priv(ndev); - struct ethtool_keee *p = &fep->eee; if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) return -EOPNOTSUPP; @@ -3189,8 +3190,6 @@ fec_enet_get_eee(struct net_device *ndev, struct ethtool_keee *edata) if (!netif_running(ndev)) return -ENETDOWN; - edata->tx_lpi_timer = p->tx_lpi_timer; - return phy_ethtool_get_eee(ndev->phydev, edata); } @@ -3198,7 +3197,6 @@ static int fec_enet_set_eee(struct net_device *ndev, struct ethtool_keee *edata) { struct fec_enet_private *fep = netdev_priv(ndev); - struct ethtool_keee *p = &fep->eee; if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) return -EOPNOTSUPP; @@ -3206,8 +3204,6 @@ fec_enet_set_eee(struct net_device *ndev, struct ethtool_keee *edata) if (!netif_running(ndev)) return -ENETDOWN; - p->tx_lpi_timer = edata->tx_lpi_timer; - return phy_ethtool_set_eee(ndev->phydev, edata); }