From patchwork Thu Mar 6 12:42:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 14004434 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CEDFB190051; Thu, 6 Mar 2025 12:43:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741265004; cv=none; b=QhabSFCBWRmtMhV52/mSDs69PfjNFTEcU54ooonhPUyfmaftF2A/PSzGSDIM6w0LuiEj2mN8S2ODlBIqY7586NXmCl5Ua9DB7U+aKoRzD6VkLVykTFr0Onr9ol7/bEm842Tg9UoZkYvLLkE2njMDyhDFU5oSYdvjor2dNM/lfis= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741265004; c=relaxed/simple; bh=0DB2R/RnZH6Ig/XXSJzhncNhnAKQvfnwEp5CeF7bOTw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OWuUb/7uSibXrFbfOtl8fDzvPToEmIoaeXYUmHXWPQmytZki/7OhAK4odcKWs2xzVcWh5NfhCuElMimUvt5+LhucX9pZnBzODOSfhb5W+jCfx37sxX2nRtvCC3ALQOnKcZXT1JDNa+sCO6nxQeBR+OvYSCTVtBWQ9HV2KdTSd0w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-CSE-ConnectionGUID: 3xwp7YbISsmWvLVugesH0g== X-CSE-MsgGUID: 11moz4PsRbutR4JsvuPDvg== Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 06 Mar 2025 21:43:21 +0900 Received: from localhost.localdomain (unknown [10.226.92.10]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 901954281B03; Thu, 6 Mar 2025 21:43:18 +0900 (JST) From: Biju Das To: Marc Kleine-Budde , Vincent Mailhol Cc: Biju Das , Wolfram Sang , Geert Uytterhoeven , =?utf-8?q?Uwe_Kleine-K=C3=B6n?= =?utf-8?q?ig?= , linux-can@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH v4 04/11] can: rcar_canfd: Add ch_interface_mode variable to struct rcar_canfd_hw_info Date: Thu, 6 Mar 2025 12:42:43 +0000 Message-ID: <20250306124256.93033-5-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250306124256.93033-1-biju.das.jz@bp.renesas.com> References: <20250306124256.93033-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 R-Car Gen4 has channel specific interface mode bit for setting CAN-FD or Classical CAN mode whereas on R-Car Gen3 it is global. Add a ch_interface_mode variable to struct rcar_canfd_hw_info to handle this difference. Signed-off-by: Biju Das --- v3->v4: * No change. v3: * New patch. --- drivers/net/can/rcar/rcar_canfd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 8b326977ddf7..e21041fe432c 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -516,6 +516,7 @@ struct rcar_canfd_hw_info { /* hardware features */ unsigned shared_global_irqs:1; /* Has shared global irqs */ unsigned multi_channel_irqs:1; /* Has multiple channel irqs */ + unsigned ch_interface_mode:1; /* Has channel interface mode */ }; /* Channel priv data */ @@ -596,6 +597,7 @@ static const struct rcar_canfd_hw_info rcar_gen4_hw_info = { .max_channels = 8, .postdiv = 2, .shared_global_irqs = 1, + .ch_interface_mode = 1, }; static const struct rcar_canfd_hw_info rzg2l_hw_info = { @@ -683,7 +685,7 @@ static void rcar_canfd_tx_failure_cleanup(struct net_device *ndev) static void rcar_canfd_set_mode(struct rcar_canfd_global *gpriv) { - if (is_gen4(gpriv)) { + if (gpriv->info->ch_interface_mode) { u32 ch, val = gpriv->fdmode ? RCANFD_GEN4_FDCFG_FDOE : RCANFD_GEN4_FDCFG_CLOE;