From nobody Sun Nov 24 16:35:30 2024 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) (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 D4FAE1C07DA; Mon, 4 Nov 2024 17:02:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730739779; cv=none; b=fflICMnjzEY3o58Tr3aKPWsP/hl1zQUyNafM8jZe1SGZ9HZlGsxs73tvvALAOBrIWzvtS6ZJ3h1nIG0hO1jXrI96InKydKA+ePSn9DSsrxn1fjXORPKTs6VlaHkIodkjzTFHnJJub+SSB1dfIa4Pz70q2zO9Ff6gzYS9CfOnnfs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730739779; c=relaxed/simple; bh=tljdDapYJFFJEqAElH3D21yZVfqbjf67djvOEfOa3m0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AhDs/p10N8q6XCla7aNYKd7lBsCM0Xo77F8+gw358nDG78ii4cvTee9Ew3fhDRv5aYp6DWAyh80Bgr/pFwJLKsgnnXOaskokdxjhlI7DLBef+uaoCteDq8dR60+vKkPmKgBth6/kHm9lYZSEUS8Nofn05ojLp6OcSMetCaVU5Ec= 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=iSTN4Tsj; arc=none smtp.client-ip=217.70.183.195 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="iSTN4Tsj" Received: by mail.gandi.net (Postfix) with ESMTPSA id 8B47160007; Mon, 4 Nov 2024 17:02:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1730739776; 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=AN4fth8gn0V4juHtySJyZLmB6iEU13zuPAy5gH50m6I=; b=iSTN4TsjYi2ZwyM/1BALrfDCQa7BwkpW0Mi1hlHSaHz/psLP+lSVMZ3cz25n/lOCSTo70Q yMh1pFes2GCfL5kmGn1syo1oP5ZcZouB/DL5dklnfHTMq2/UWk3n0SQ/vg3K4B6A0ttn2L wPjk4S+yTLX2d0gHKFjfDkx1y3AL6lb2CXYW/Rfhjro/R32cXOO93Ctx5IhPXMDsGwiOcZ LnvPnb7r6cuvh1i027sQYLRQRo04g0NvggNWgj2ULgOjCDrnYd8MuZdUTwVJWseGvA4aQX eZL0rxvUbyZawKAQY1MM2jyDqd4BMYF/4Mb/81zggDrqa5i0fn0kR95Ey8mCuw== 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 v2 1/9] net: stmmac: Don't modify the global ptp ops directly Date: Mon, 4 Nov 2024 18:02:41 +0100 Message-ID: <20241104170251.2202270-2-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241104170251.2202270-1-maxime.chevallier@bootlin.com> References: <20241104170251.2202270-1-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 --- V2: No changes 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