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 3FB22C35295 for ; Wed, 9 Mar 2022 16:50:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238046AbiCIQuj (ORCPT ); Wed, 9 Mar 2022 11:50:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239550AbiCIQcm (ORCPT ); Wed, 9 Mar 2022 11:32:42 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81B7A1AAA4D; Wed, 9 Mar 2022 08:28:06 -0800 (PST) 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 7988D61973; Wed, 9 Mar 2022 16:27:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12537C340E8; Wed, 9 Mar 2022 16:27:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646843266; bh=fEVgwXk1c1lGMS8hGbRJ0s5ynNwtkHpZ8UedaFiEplo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OYw0A9MRt6Chfg5hqO8CMiM+iVxhtSTUuNEJOOLan4+OqMSjjj6ougt50F2fd4+jh wR7j28IPmHw9kuXOfeE+lCgDQbTmmk8R4W+S6/npncYEX0UbV2QKOz7/usN+Yd5vKf 3LTd15UDK0E1OCsYVBAGP+wMw9QqyRE8+SVbNKpFwAyEZITNwWBYY0lPiyHX/S8wUa uUSsKm2ph+luxhg9RrFXARjgbPVey/CsrgGp3L4srMIrO4cbWJGC4vuK+vUibsZpC4 xbLOHy+m2XrTET6vw1CiIiemvAGFs/RALpGC4R0MgqTW1LbO60ozSA904wS3HM8Qbb alwI2bISC5iRw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lad Prabhakar , Pavel Machek , Ulrich Hecht , Marc Kleine-Budde , Sasha Levin , wg@grandegger.com, davem@davemloft.net, kuba@kernel.org, stefan.maetje@esd.eu, mailhol.vincent@wanadoo.fr, linux-can@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 05/11] can: rcar_canfd: rcar_canfd_channel_probe(): register the CAN device when fully ready Date: Wed, 9 Mar 2022 11:27:10 -0500 Message-Id: <20220309162716.137399-5-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220309162716.137399-1-sashal@kernel.org> References: <20220309162716.137399-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 43cdd5544b0c..a127c853a4e9 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -1601,15 +1601,15 @@ 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