From nobody Sun Feb 8 20:00:03 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 288A5EB64D7 for ; Fri, 16 Jun 2023 10:06:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244745AbjFPKF7 (ORCPT ); Fri, 16 Jun 2023 06:05:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229558AbjFPKFj (ORCPT ); Fri, 16 Jun 2023 06:05:39 -0400 Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4352B2D67; Fri, 16 Jun 2023 03:05:38 -0700 (PDT) X-GND-Sasl: alexis.lothore@bootlin.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1686909936; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TuLT0Dx8INmVuQ+Tjg5nObFk3ZPU55oE6gxmpAOjP2k=; b=lzUlV6Vl1+7PGIIxMRVfnCBB6Dz/NpkZawq1V/uJWhuAkOFIuN+draPM1L5Gg566KO4kvF z8zjlfLDt8oXatl77D3OHSqS/P5KebT1YLOHsBw2aGvtvFrYeZsNMFFYazPh/h80l8mpzu PjKiDGTM7rvRB7E9n7NNjVRH/0TnjV+/oNTag4KyZ4mLPJGNMpdliEy5NXYRM9kHDAAqC1 NqCggXkU2o8fSr+1asolZiUSSvxvvj1VmoZOTRnkNtWvMgaGMZthqLCU+yZqKtSF6riVM0 SpxF5DQJi9JFcreWJcbOgVttfiHi08F8TPdlEpG1VL1p168dIPEAdqu27IChVw== X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com X-GND-Sasl: alexis.lothore@bootlin.com Received: by mail.gandi.net (Postfix) with ESMTPSA id ADD9920007; Fri, 16 Jun 2023 10:05:35 +0000 (UTC) From: alexis.lothore@bootlin.com To: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Richard Cochran Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Thomas Petazzoni , Nicolas Carrier Subject: [PATCH net-next 5/8] net: stmmac: set number of snapshot external triggers for GMAC3 Date: Fri, 16 Jun 2023 12:04:06 +0200 Message-ID: <20230616100409.164583-6-alexis.lothore@bootlin.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230616100409.164583-1-alexis.lothore@bootlin.com> References: <20230616100409.164583-1-alexis.lothore@bootlin.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexis Lothor=C3=A9 While GMAC4 exposes number of available auxiliary snapshots inputs in MAC_HW_FEATURE2 register, GMAC3 (DWMAC1000) does not expose this information in its only hardware feature register. When running on GMAC3, hardcode the value to 1 to allow external trigger usage Signed-off-by: Alexis Lothor=C3=A9 --- drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net= /ethernet/stmicro/stmmac/stmmac_ptp.c index 167bfbf68911..090a9d803446 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -280,7 +280,10 @@ void stmmac_ptp_register(struct stmmac_priv *priv) 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; + /* Number of available external triggers is not provided through a + * hardware capabilities register for GMAC3 + */ + stmmac_ptp_clock_ops.n_ext_ts =3D priv->plat->has_gmac ? 1 : priv->dma_ca= p.aux_snapshot_n; =20 rwlock_init(&priv->ptp_lock); mutex_init(&priv->aux_ts_lock); --=20 2.41.0