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 5E117C433F5 for ; Wed, 9 Mar 2022 16:24:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235182AbiCIQZe (ORCPT ); Wed, 9 Mar 2022 11:25:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238401AbiCIQWF (ORCPT ); Wed, 9 Mar 2022 11:22:05 -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 948DF3A5; Wed, 9 Mar 2022 08:21:06 -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 3085C6194C; Wed, 9 Mar 2022 16:21:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83353C340F6; Wed, 9 Mar 2022 16:21:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646842865; bh=xYDt82oztVLPKZHK4RGXMtKudy0jz5x/oNRMn0IWQ5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GSkfG+9WFJbpiObp8Z3W88v9WxgMy3aGrnieGD2iMt9+mqp3Fs9n4OMI+1wl0LhZJ iGlnsbdeaCf52b9G4pmphTxtkCHxWekNWHpVL6p5uRKq6XTAlHN1nrHOy/6/yuPiGj esXhgW/2U2GcDDC5vKXQqzd9TGapNf7N+EuUSlEyc3SPnHXG9yOTp0q+bXaNaGs0TJ hDggtrFhQ+hBFflaHGagU49RhM5mF0ufFxTaBNowRQwDE55odagRk0jwejPgJAohJQ FnbZ7BOboEHrxC2Ofda9R4Y6dfcGD9NFkLiqW0bEGt47qqMPihoei5oIcpu6Sob6Ee NYk35zWcvu3YA== 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 5.15 14/24] can: rcar_canfd: rcar_canfd_channel_probe(): register the CAN device when fully ready Date: Wed, 9 Mar 2022 11:19:33 -0500 Message-Id: <20220309161946.136122-14-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220309161946.136122-1-sashal@kernel.org> References: <20220309161946.136122-1-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: netdev@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 388521e70837..2f44c567ebd7 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -1720,15 +1720,15 @@ 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