From patchwork Sat Nov 2 05:01:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Can Guo X-Patchwork-Id: 11224011 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 51ADD17D5 for ; Sat, 2 Nov 2019 05:02:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2F33A2084D for ; Sat, 2 Nov 2019 05:02:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="Vr9paRXx"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="V5m/xaOH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727458AbfKBFB6 (ORCPT ); Sat, 2 Nov 2019 01:01:58 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:50280 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725842AbfKBFB5 (ORCPT ); Sat, 2 Nov 2019 01:01:57 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id EE0DB615C4; Sat, 2 Nov 2019 05:01:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1572670916; bh=JvxKGa6O4f7zI3Ydz7dqyF7nDweSq45f4x0Pmi5udY0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vr9paRXx4JK+GvRWBrH8oMjeTvFC3uFAh3Eyb+n1bvnR9OhWFdw2ENzywdeoIRDfA RF4fhX1SCZvWMsv3LTKc/OAOmrsAoJPUIF80jPHK+1N2zjrYj/a9BBGX9O3ItdcBpq mYbBUMfOkjhoWJQF2IJ/JbUW+KtdXwNhTyN62wig= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_INVALID,DKIM_SIGNED,SPF_NONE autolearn=no autolearn_force=no version=3.4.0 Received: from pacamara-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: cang@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 08A9A61584; Sat, 2 Nov 2019 05:01:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1572670915; bh=JvxKGa6O4f7zI3Ydz7dqyF7nDweSq45f4x0Pmi5udY0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V5m/xaOHApiOxQqqBCRoOiP4T6Lht1OGb/H79YbqHlBHUy+DeYW93gOXXqie9Yt9j xy6JoLpKdKe2I1gOKCNgDUvLiwKqe0vFNmjOXZqba8p16VM1zpz/B4xvzap0rb+Sxt gOFXVXCtdcy5CjpnF6IEsQv/PCGaoaILgo64n1nc= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 08A9A61584 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=cang@codeaurora.org From: Can Guo To: asutoshd@codeaurora.org, nguyenb@codeaurora.org, rnayak@codeaurora.org, linux-scsi@vger.kernel.org, kernel-team@android.com, saravanak@google.com, salyzyn@google.com, cang@codeaurora.org Cc: Alim Akhtar , Avri Altman , Pedro Sousa , "James E.J. Bottomley" , "Martin K. Petersen" , Stanley Chu , Bean Huo , Subhash Jadavani , Tomas Winkler , Venkat Gopalakrishnan , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v3 3/5] scsi: ufs: Release clock if DMA map fails Date: Fri, 1 Nov 2019 22:01:36 -0700 Message-Id: <1572670898-750-4-git-send-email-cang@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1572670898-750-1-git-send-email-cang@codeaurora.org> References: <1572670898-750-1-git-send-email-cang@codeaurora.org> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org In queuecommand path, if DMA map fails, it bails out with clock held. In this case, release the clock to keep its usage paired. Signed-off-by: Can Guo --- drivers/scsi/ufs/ufshcd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0a6b8f9..979b161 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -2504,6 +2504,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) if (err) { lrbp->cmd = NULL; clear_bit_unlock(tag, &hba->lrb_in_use); + ufshcd_release(hba); goto out; } /* Make sure descriptors are ready before ringing the doorbell */