From nobody Sun Nov 24 11:30:39 2024 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) (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 2B7941D5AA8; Wed, 6 Nov 2024 09:03:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.198 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730883820; cv=none; b=ZshjBMXMiblXvTeqgptrNArQpQlj75VUjVirnTRa90izOQEk1H0ozgCua/3gELi2bqvL+Aa2DQi2CC8EafUm4NPdeK3S0gHZeYbBwC9SMFo8230CghJvepz9nLCAnkhtSuXJGMoTqjuM4s3BLADHep8Z/BW7pjnHJMkz882WXTw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730883820; c=relaxed/simple; bh=RFedb7d1yVzyHiGwdyMHJM8bG3GO/6BXjfejl8KlpAg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N9qx6S+BjUSPcnt3ahrzHzPbOz0QNIsuw+bZoX/8ZTJIyDKVqM3DXxc6o1DHVOcJhuSWi6bb5BplSenZI0JarUG89n0FURf9taDnkNxTlnyE5ZkRnSKhKNai7OZnU5gUAvomAy1EueRhwsSq2SLoka/Dop4pOAfHa12wMcrHe5I= 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=RWY7lVUm; arc=none smtp.client-ip=217.70.183.198 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="RWY7lVUm" Received: by mail.gandi.net (Postfix) with ESMTPSA id 698B3C0005; Wed, 6 Nov 2024 09:03:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1730883816; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eGCWRSOQMmjS9ZFY7AhKJ0VNqkvKkp9FxTzYgROnlPc=; b=RWY7lVUmIWk6KHbkfB3AD3i1Nsocxd1OToyqCa4TOg0PWNoLZnYz9Kh0RdaSyEL98S14/6 4psxyailckfwsb755RTMsLqUPDmIdrq7P870xV0a7K732bmBuTXJj5F4Qh2SvpKV+FfimN dS5ik7uDNPrpLtko8KETD5IiJc6fzTQIN2JP4GRAg+PA/duk9rLuLFw2aETgFZ0ZBQyyn8 hVb11yog8HElELmoJ+JcKuw5n0Oyf0SIE9GrKgIb+ngGaM359+87+3e93Gq1W9eojkNbH5 ugevFWL81vyY0HTtJ/OmfnXE3E8u/jDcJmMO2bFaXAakU7lzgVnWIHMPe3djVg== From: Maxime Chevallier To: Alexandre Torgue , Jose Abreu , Andrew Lunn , davem@davemloft.net, Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Richard Cochran Cc: Maxime Chevallier , =?UTF-8?q?Alexis=20Lothor=C3=A9?= , Thomas Petazzoni , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v3 1/9] net: stmmac: Don't modify the global ptp ops directly Date: Wed, 6 Nov 2024 10:03:22 +0100 Message-ID: <20241106090331.56519-2-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106090331.56519-1-maxime.chevallier@bootlin.com> References: <20241106090331.56519-1-maxime.chevallier@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: maxime.chevallier@bootlin.com Content-Type: text/plain; charset="utf-8" The stmmac_ptp_clock_ops are copied into the stmmac_priv structure before being registered to the PTP core. Some adjustments are made prior to that, such as the number of snapshots or max adjustment parameters. Instead of modifying the global definition, then copying into the local private data, let's first copy then modify the local parameters. Signed-off-by: Maxime Chevallier --- drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net= /ethernet/stmicro/stmmac/stmmac_ptp.c index a6b1de9a251d..11ab1d6b916a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -298,20 +298,21 @@ void stmmac_ptp_register(struct stmmac_priv *priv) priv->pps[i].available =3D true; } =20 - if (priv->plat->ptp_max_adj) - stmmac_ptp_clock_ops.max_adj =3D priv->plat->ptp_max_adj; - /* Calculate the clock domain crossing (CDC) error if necessary */ priv->plat->cdc_error_adj =3D 0; if (priv->plat->has_gmac4 && priv->plat->clk_ptp_rate) priv->plat->cdc_error_adj =3D (2 * NSEC_PER_SEC) / priv->plat->clk_ptp_r= ate; =20 - stmmac_ptp_clock_ops.n_per_out =3D priv->dma_cap.pps_out_num; - stmmac_ptp_clock_ops.n_ext_ts =3D priv->dma_cap.aux_snapshot_n; + priv->ptp_clock_ops =3D stmmac_ptp_clock_ops; + + priv->ptp_clock_ops.n_per_out =3D priv->dma_cap.pps_out_num; + priv->ptp_clock_ops.n_ext_ts =3D priv->dma_cap.aux_snapshot_n; + + if (priv->plat->ptp_max_adj) + priv->ptp_clock_ops.max_adj =3D priv->plat->ptp_max_adj; =20 rwlock_init(&priv->ptp_lock); mutex_init(&priv->aux_ts_lock); - priv->ptp_clock_ops =3D stmmac_ptp_clock_ops; =20 priv->ptp_clock =3D ptp_clock_register(&priv->ptp_clock_ops, priv->device); --=20 2.47.0