From patchwork Mon Jun 14 20:40:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Gupta X-Patchwork-Id: 460190 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 498F4C49EA2 for ; Mon, 14 Jun 2021 20:40:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2DAF661107 for ; Mon, 14 Jun 2021 20:40:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234824AbhFNUnB (ORCPT ); Mon, 14 Jun 2021 16:43:01 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:42863 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235172AbhFNUnB (ORCPT ); Mon, 14 Jun 2021 16:43:01 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1623703258; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=kVXQqBjg44exOyQ9zuMMJbd+4d1juBSf1Bx5/kyYgoY=; b=bP/3zqrsYo0Vi3vt259km/tbcs3AIHNRkmXH39lXR7Wx+N9W0aLL8y4xO7xiSCk5hMPshjiU xkj00I8pm9X3J5yqPdhJtoBCR+kVkYyrrORu46kAgadqA51xkEkv9bhUK+vOiEPBaKaifyhZ hQxJGn+xBa2iPYS0yem333+aqho= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1ZjI4MyIsICJzdGFibGVAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 60c7bed9e27c0cc77f4f155a (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 14 Jun 2021 20:40:57 GMT Sender: sidgup=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 92C37C43144; Mon, 14 Jun 2021 20:40:56 +0000 (UTC) Received: from sidgup-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sidgup) by smtp.codeaurora.org (Postfix) with ESMTPSA id BCC32C4360C; Mon, 14 Jun 2021 20:40:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org BCC32C4360C Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=sidgup@codeaurora.org From: Siddharth Gupta To: bjorn.andersson@linaro.org, ohad@wizery.com, linux-remoteproc@vger.kernel.org Cc: Siddharth Gupta , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, psodagud@codeaurora.org, stable@vger.kernel.org Subject: [PATCH v2 2/4] remoteproc: core: Move validate before device add Date: Mon, 14 Jun 2021 13:40:42 -0700 Message-Id: <1623703244-26814-3-git-send-email-sidgup@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1623703244-26814-1-git-send-email-sidgup@codeaurora.org> References: <1623703244-26814-1-git-send-email-sidgup@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org We can validate whether the remoteproc is correctly setup before making the cdev_add and device_add calls. This saves us the trouble of cleaning up later on. Signed-off-by: Siddharth Gupta Reviewed-by: Bjorn Andersson --- drivers/remoteproc/remoteproc_core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 9ad8c5f..b65fce3 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -2333,16 +2333,16 @@ int rproc_add(struct rproc *rproc) struct device *dev = &rproc->dev; int ret; - /* add char device for this remoteproc */ - ret = rproc_char_device_add(rproc); + ret = rproc_validate(rproc); if (ret < 0) return ret; - ret = device_add(dev); + /* add char device for this remoteproc */ + ret = rproc_char_device_add(rproc); if (ret < 0) return ret; - ret = rproc_validate(rproc); + ret = device_add(dev); if (ret < 0) return ret;