From mboxrd@z Thu Jan 1 00:00:00 1970 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 D8416C433EF for ; Mon, 21 Mar 2022 13:56:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348360AbiCUN5Y (ORCPT ); Mon, 21 Mar 2022 09:57:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348307AbiCUN4T (ORCPT ); Mon, 21 Mar 2022 09:56:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78A5810FE4; Mon, 21 Mar 2022 06:54:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 11B036126A; Mon, 21 Mar 2022 13:54:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26379C340E8; Mon, 21 Mar 2022 13:54:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1647870887; bh=nJtRHfaLe5NTL07RaKpu2Xj7ndP+2DVwsE9w+qaCDaI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BmZrkjGVFIUAlDeKWeQiTGkKcZwZPYP8g6rUWaCx95gO3OrrfdleMRN5czMFzG5dZ RhyeBYRXGYmTf8OHr/k4cSMCoybCbTmr00vEsMd9Lgwa2zbZ1ycuYjondA890S3g83 mwdGx+ai0Lja5Dp7XwjtDlgeWFqsodS/LFSi2FGI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pavel Machek , Lad Prabhakar , Ulrich Hecht , Marc Kleine-Budde , Sasha Levin Subject: [PATCH 4.14 08/22] can: rcar_canfd: rcar_canfd_channel_probe(): register the CAN device when fully ready Date: Mon, 21 Mar 2022 14:51:39 +0100 Message-Id: <20220321133217.853178761@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220321133217.602054917@linuxfoundation.org> References: <20220321133217.602054917@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Lad Prabhakar [ Upstream commit c5048a7b2c23ab589f3476a783bd586b663eda5b ] Register the CAN device only when all the necessary initialization is completed. This patch makes sure all the data structures and locks are initialized before registering the CAN device. Link: https://lore.kernel.org/all/20220221225935.12300-1-prabhakar.mahadev-lad.rj@bp.renesas.com Reported-by: Pavel Machek Signed-off-by: Lad Prabhakar Reviewed-by: Pavel Machek Reviewed-by: Ulrich Hecht Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- drivers/net/can/rcar/rcar_canfd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 786d852a70d5..a1634834b640 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -1602,15 +1602,15 @@ static int rcar_canfd_channel_probe(struct rcar_canfd_global *gpriv, u32 ch, netif_napi_add(ndev, &priv->napi, rcar_canfd_rx_poll, RCANFD_NAPI_WEIGHT); + spin_lock_init(&priv->tx_lock); + devm_can_led_init(ndev); + gpriv->ch[priv->channel] = priv; err = register_candev(ndev); if (err) { dev_err(&pdev->dev, "register_candev() failed, error %d\n", err); goto fail_candev; } - spin_lock_init(&priv->tx_lock); - devm_can_led_init(ndev); - gpriv->ch[priv->channel] = priv; dev_info(&pdev->dev, "device registered (channel %u)\n", priv->channel); return 0; -- 2.34.1