Message ID | 20240903-rockchip-canfd-v4-10-1dc3f3f32856@pengutronix.de (mailing list archive) |
---|---|
State | New |
Headers | show
Return-Path: <linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B0C7CCD3420 for <linux-rockchip@archiver.kernel.org>; Tue, 3 Sep 2024 09:30:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=heVeIhoeZBB8WQYK6DPL2+kYwJ6tZFAPbBToDZz9E9c=; b=CFefRk5aJPRgpY gfW/kcj55xiJ7+uWi1Od3TIphJkzP4E7VTrdfMHWFbK/vWfRdTPflqXqRAwv8bMvUP3SXt5vpfhkh z4daYVWcvS8rco+7AQypD6iEZ7pNRxaHUajZz6bdFr2+cxySW6tasdipH3xjydvYaHgjXl6x4C9EP Ix4HYzCfHLaYf9RHFpzqcDY3bb88zyy9nBXSnasSlM/Wv/Xq5owtT19OkWg9TcCzwmGuhJIdkhBdk k+UPvtqXQe4ktgX4O3KgKFYJyu+4no7XpzQGbCGCxlsTBEVOAbnJId0rE/Wf3j/1YCxry317P9gtV FhkagOhKdiKhzEFZYFdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slPrw-0000000H9da-3XMA; Tue, 03 Sep 2024 09:30:37 +0000 Received: from metis.whiteo.stw.pengutronix.de ([185.203.201.7]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1slPkK-0000000H7Rh-43sX for linux-rockchip@lists.infradead.org; Tue, 03 Sep 2024 09:22:46 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <mkl@pengutronix.de>) id 1slPkH-0000oL-AD for linux-rockchip@lists.infradead.org; Tue, 03 Sep 2024 11:22:41 +0200 Received: from [2a0a:edc0:0:b01:1d::7b] (helo=bjornoya.blackshift.org) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from <mkl@pengutronix.de>) id 1slPkB-0059SY-Gt for linux-rockchip@lists.infradead.org; Tue, 03 Sep 2024 11:22:35 +0200 Received: from dspam.blackshift.org (localhost [127.0.0.1]) by bjornoya.blackshift.org (Postfix) with SMTP id 0FE5233110B for <linux-rockchip@lists.infradead.org>; Tue, 03 Sep 2024 09:22:35 +0000 (UTC) Received: from hardanger.blackshift.org (unknown [172.20.34.65]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by bjornoya.blackshift.org (Postfix) with ESMTPS id D1F1C331037; Tue, 03 Sep 2024 09:22:27 +0000 (UTC) Received: from [172.20.34.65] (localhost [::1]) by hardanger.blackshift.org (OpenSMTPD) with ESMTP id dc242515; Tue, 3 Sep 2024 09:22:26 +0000 (UTC) From: Marc Kleine-Budde <mkl@pengutronix.de> Date: Tue, 03 Sep 2024 11:21:52 +0200 Subject: [PATCH can-next v4 10/20] can: rockchip_canfd: rkcanfd_register_done(): add warning for erratum 5 MIME-Version: 1.0 Message-Id: <20240903-rockchip-canfd-v4-10-1dc3f3f32856@pengutronix.de> References: <20240903-rockchip-canfd-v4-0-1dc3f3f32856@pengutronix.de> In-Reply-To: <20240903-rockchip-canfd-v4-0-1dc3f3f32856@pengutronix.de> To: kernel@pengutronix.de, Alibek Omarov <a1ba.omarov@gmail.com>, Vincent Mailhol <mailhol.vincent@wanadoo.fr>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Heiko Stuebner <heiko@sntech.de>, Philipp Zabel <p.zabel@pengutronix.de>, Elaine Zhang <zhangqing@rock-chips.com>, David Jander <david.jander@protonic.nl> Cc: Simon Horman <horms@kernel.org>, linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Marc Kleine-Budde <mkl@pengutronix.de> X-Mailer: b4 0.15-dev-99b12 X-Developer-Signature: v=1; a=openpgp-sha256; l=1435; i=mkl@pengutronix.de; h=from:subject:message-id; bh=uUKDz11I4FG9jd59dhVqeNCMQYK0nkVIQAuP/ouFmzU=; b=kA0DAAoBKDiiPnotvG8ByyZiAGbW1UKgNzV9545RszJsSoCrtGufbJRXaZpSKj4JH1UQkl4HP okBMwQAAQoAHRYhBFBAuobgtgTdKbw+Xyg4oj56LbxvBQJm1tVCAAoJECg4oj56Lbxv4t4H/3Bf ej2O6iI1IF7a3PmokxNhg44ZSwoRhiOSpXJGhSnsLdym4Ep/cc045JjR90Q0SrfW0KTIcaCvBZi Xt/Y+YyAwefAt5Me5xIqT/vwu8Vay8ps6DDRMU2L+aYkRI/nfnqrFWYpTjDFHB/8tXFxEC45+xi CEHl1jem/SbnHzaq6R8HnpXuo7Z9Ku3Ig+b+eLgQsI+wceTv6YT68apo16icp2zrNOtjhfqIoKY Nm77Q1ZdN5dcxfAvSwCeA7a39jWhPTnKCEEQKprEAqBXSXz8FLbAcWm+nB+pACQ3XO+5nUx+hKl Btp1BSuhKdGBrAx/YYndIRH2jwpvV/rLC+khwhY= X-Developer-Key: i=mkl@pengutronix.de; a=openpgp; fpr=C1400BA0B3989E6FBC7D5B5C2B5EE211C58AEA54 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-rockchip@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240903_022245_123328_DB4F4C9A X-CRM114-Status: GOOD ( 12.35 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms <linux-rockchip.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-rockchip>, <mailto:linux-rockchip-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-rockchip/> List-Post: <mailto:linux-rockchip@lists.infradead.org> List-Help: <mailto:linux-rockchip-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-rockchip>, <mailto:linux-rockchip-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" <linux-rockchip-bounces@lists.infradead.org> Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org |
Series |
can: rockchip_canfd: add support for CAN-FD IP core found on Rockchip RK3568
|
expand
|
diff --git a/drivers/net/can/rockchip/rockchip_canfd-core.c b/drivers/net/can/rockchip/rockchip_canfd-core.c index 40911bb63623..d6c0f2fe8d2b 100644 --- a/drivers/net/can/rockchip/rockchip_canfd-core.c +++ b/drivers/net/can/rockchip/rockchip_canfd-core.c @@ -738,6 +738,13 @@ static void rkcanfd_register_done(const struct rkcanfd_priv *priv) FIELD_GET(RKCANFD_REG_RTL_VERSION_MAJOR, dev_id), FIELD_GET(RKCANFD_REG_RTL_VERSION_MINOR, dev_id), priv->devtype_data.quirks); + + if (priv->devtype_data.quirks & RKCANFD_QUIRK_RK3568_ERRATUM_5 && + priv->can.clock.freq < RKCANFD_ERRATUM_5_SYSCLOCK_HZ_MIN) + netdev_info(priv->ndev, + "Erratum 5: CAN clock frequency (%luMHz) lower than known good (%luMHz), expect degraded performance\n", + priv->can.clock.freq / MEGA, + RKCANFD_ERRATUM_5_SYSCLOCK_HZ_MIN / MEGA); } static int rkcanfd_register(struct rkcanfd_priv *priv)