From patchwork Sat Oct 22 10:43:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13015928 X-Patchwork-Delegate: kuba@kernel.org 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 70121C3A59D for ; Sat, 22 Oct 2022 11:28:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229911AbiJVL2v (ORCPT ); Sat, 22 Oct 2022 07:28:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229664AbiJVL2U (ORCPT ); Sat, 22 Oct 2022 07:28:20 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9D20C2E532C; Sat, 22 Oct 2022 04:03:13 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.95,205,1661785200"; d="scan'208";a="139955124" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 22 Oct 2022 20:03:13 +0900 Received: from localhost.localdomain (unknown [10.226.92.14]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id D0525400619B; Sat, 22 Oct 2022 20:03:07 +0900 (JST) From: Biju Das To: Wolfgang Grandegger , Marc Kleine-Budde , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Biju Das , Vincent Mailhol , =?utf-8?q?Stefan_M=C3=A4tje?= , Ulrich Hecht , Lad Prabhakar , Christophe JAILLET , linux-can@vger.kernel.org, netdev@vger.kernel.org, Geert Uytterhoeven , Chris Paterson , Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH 5/6] can: rcar_canfd: Add multi_channel_irqs to struct rcar_canfd_hw_info Date: Sat, 22 Oct 2022 11:43:56 +0100 Message-Id: <20221022104357.1276740-6-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221022104357.1276740-1-biju.das.jz@bp.renesas.com> References: <20221022104357.1276740-1-biju.das.jz@bp.renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org RZ/G2L has separate IRQ lines for tx and error interrupt for each channel whereas R-Car has a combined IRQ line for all the channel specific tx and error interrupts. Add multi_channel_irqs to struct rcar_canfd_hw_info to select the driver to choose between combined and separate irq registration for channel interrupts. This patch also removes enum rcanfd_chip_id and chip_id from both struct rcar_canfd_hw_info, as it is unused. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven --- drivers/net/can/rcar/rcar_canfd.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index d226eb59010d..0b6f14df2a43 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -41,12 +41,6 @@ #define RCANFD_DRV_NAME "rcar_canfd" -enum rcanfd_chip_id { - RENESAS_RCAR_GEN3 = 0, - RENESAS_RZG2L, - RENESAS_R8A779A0, -}; - /* Global register bits */ /* RSCFDnCFDGRMCFG */ @@ -524,11 +518,11 @@ enum rcar_canfd_fcanclk { struct rcar_canfd_global; struct rcar_canfd_hw_info { - enum rcanfd_chip_id chip_id; u32 max_channels; /* hardware features */ unsigned multi_global_irqs:1; /* Has multiple global irqs */ unsigned clk_postdiv:1; /* Has CAN clk post divider */ + unsigned multi_channel_irqs:1; /* Has multiple channel irqs */ }; /* Channel priv data */ @@ -599,19 +593,17 @@ static const struct can_bittiming_const rcar_canfd_bittiming_const = { }; static const struct rcar_canfd_hw_info rcar_gen3_hw_info = { - .chip_id = RENESAS_RCAR_GEN3, .max_channels = 2, .clk_postdiv = 1, }; static const struct rcar_canfd_hw_info rzg2l_hw_info = { - .chip_id = RENESAS_RZG2L, .max_channels = 2, .multi_global_irqs = 1, + .multi_channel_irqs = 1, }; static const struct rcar_canfd_hw_info r8a779a0_hw_info = { - .chip_id = RENESAS_R8A779A0, .max_channels = 8, .clk_postdiv = 1, }; @@ -1755,7 +1747,7 @@ static int rcar_canfd_channel_probe(struct rcar_canfd_global *gpriv, u32 ch, priv->can.clock.freq = fcan_freq; dev_info(&pdev->dev, "can_clk rate is %u\n", priv->can.clock.freq); - if (info->chip_id == RENESAS_RZG2L) { + if (info->multi_channel_irqs) { char *irq_name; int err_irq; int tx_irq;