From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 30B8B2FE060 for ; Thu, 25 Sep 2025 12:14:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758802446; cv=none; b=luNdhkp9nPzVndBOailqp3CflkmhntURSth8jj1BQdfY466BPHFUictBO8k9V3IjFz3nBpApZtwZlMMHxhq6Isp+rw/lXAADCaPXMBCWGzy2+75GR+Rz+nY6iPBLDIYVJTxD0qQO7Dpafy5cwTLtntcLupgW2Ixgms6jzzAuPRA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758802446; c=relaxed/simple; bh=z1hoAeLPRWC7NcOJpESTra10JJQKOu7Q3VlfNl5WIh0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nuwjVoeCjOf3bEw1hSLZ+BuwFVzylImYF4f1lXsopKjj20E9HmyDzTdXDDpBo9cCbxu4TGv/GlvbQKiuI8j0bYWlnR7c8CpNp3ktfH8X2VAlS23i5EaEibaMqVyYaTgdU4HOHlQAJO//sGGtNTIUQad8CrZFm8qEwBzj6zoFdYk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de 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 ) id 1v1kqz-0000Vh-2R; Thu, 25 Sep 2025 14:13:41 +0200 Received: from moin.white.stw.pengutronix.de ([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 4.96) (envelope-from ) id 1v1kqt-000PvF-1b; Thu, 25 Sep 2025 14:13:35 +0200 Received: from blackshift.org (p54b152ce.dip0.t-ipconnect.de [84.177.82.206]) (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) (Authenticated sender: mkl-all@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id 2C23F479971; Thu, 25 Sep 2025 12:13:35 +0000 (UTC) From: Marc Kleine-Budde To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, linux-can@vger.kernel.org, kernel@pengutronix.de, Biju Das , Geert Uytterhoeven , Marc Kleine-Budde Subject: [PATCH net-next 05/48] can: rcar_canfd: Update bit rate constants for RZ/G3E and R-Car Gen4 Date: Thu, 25 Sep 2025 14:07:42 +0200 Message-ID: <20250925121332.848157-6-mkl@pengutronix.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250925121332.848157-1-mkl@pengutronix.de> References: <20250925121332.848157-1-mkl@pengutronix.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: netdev@vger.kernel.org From: Biju Das The calculation formula for nominal bit rate of classical CAN is the same as that of nominal bit rate of CANFD on the RZ/G3E and R-Car Gen4 SoCs compared to other SoCs. Update nominal bit rate constants. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven Link: https://patch.msgid.link/20250908120940.147196-2-biju.das.jz@bp.renesas.com [mkl: slightly improve wording of commit message] Signed-off-by: Marc Kleine-Budde --- drivers/net/can/rcar/rcar_canfd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index b3c8c592fb0e..4185fc5b4a70 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -1912,7 +1912,10 @@ static int rcar_canfd_channel_probe(struct rcar_canfd_global *gpriv, u32 ch, priv->can.fd.do_get_auto_tdcv = rcar_canfd_get_auto_tdcv; } else { /* Controller starts in Classical CAN only mode */ - priv->can.bittiming_const = &rcar_canfd_bittiming_const; + if (gpriv->info->shared_can_regs) + priv->can.bittiming_const = gpriv->info->nom_bittiming; + else + priv->can.bittiming_const = &rcar_canfd_bittiming_const; priv->can.ctrlmode_supported = CAN_CTRLMODE_BERR_REPORTING; } -- 2.51.0