From patchwork Tue Dec 1 04:14:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaegeuk Kim X-Patchwork-Id: 336468 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=-20.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 7D362C64E7A for ; Tue, 1 Dec 2020 04:15:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0BB112073C for ; Tue, 1 Dec 2020 04:15:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Y4ggzrxI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728114AbgLAEOv (ORCPT ); Mon, 30 Nov 2020 23:14:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:60272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728056AbgLAEOv (ORCPT ); Mon, 30 Nov 2020 23:14:51 -0500 Received: from localhost (unknown [104.132.1.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 49A1420725; Tue, 1 Dec 2020 04:14:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1606796050; bh=PlLOAxsEMv5+xbPFqK55E56Pqe82bs9RFICqdVs/xuA=; h=From:To:Cc:Subject:Date:From; b=Y4ggzrxIARtzC+hrMoiQOKkijo7yTCg4STb2dZUi3eZkQTkSQQEPfH2/8YEYRYlI9 cJENdFlu6VYC2XBvPKd3HVMFrU8Aim0ULyFSqNlmmHgBPVWjYaw0nIuM7VqeIlhpTO oAlzQOMnE681ybFQS1wph88vFF6CDFJ75ra8qZmM= From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, kernel-team@android.com Cc: cang@codeaurora.org, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, martin.petersen@oracle.com, stanley.chu@mediatek.com, Randall Huang , Leo Liou , Jaegeuk Kim Subject: [PATCH] scsi: ufs: clear uac for RPMB after ufshcd resets Date: Mon, 30 Nov 2020 20:14:02 -0800 Message-Id: <20201201041402.3860525-1-jaegeuk@kernel.org> X-Mailer: git-send-email 2.29.2.454.gaff20da3a2-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Randall Huang If RPMB is not provisioned, we may see RPMB failure after UFS suspend/resume. Inject request_sense to clear uac in ufshcd reset flow. Signed-off-by: Randall Huang Signed-off-by: Leo Liou Signed-off-by: Jaegeuk Kim Signed-off-by: Randall Huang Signed-off-by: Leo Liou Signed-off-by: Jaegeuk Kim Reviewed-by: Stanley Chu --- drivers/scsi/ufs/ufshcd.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index dba3ee307307..c728c00b58db 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -220,6 +220,7 @@ static int ufshcd_reset_and_restore(struct ufs_hba *hba); static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd); static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag); static void ufshcd_hba_exit(struct ufs_hba *hba); +static int ufshcd_clear_ua_wluns(struct ufs_hba *hba); static int ufshcd_probe_hba(struct ufs_hba *hba, bool async); static int __ufshcd_setup_clocks(struct ufs_hba *hba, bool on, bool skip_ref_clk); @@ -6814,7 +6815,8 @@ static int ufshcd_host_reset_and_restore(struct ufs_hba *hba) /* Establish the link again and restore the device */ err = ufshcd_probe_hba(hba, false); - + if (!err) + ufshcd_clear_ua_wluns(hba); out: if (err) dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err); @@ -8304,13 +8306,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba, * handling context. */ hba->host->eh_noresume = 1; - if (hba->wlun_dev_clr_ua) { - ret = ufshcd_send_request_sense(hba, sdp); - if (ret) - goto out; - /* Unit attention condition is cleared now */ - hba->wlun_dev_clr_ua = false; - } + ufshcd_clear_ua_wluns(hba); cmd[4] = pwr_mode << 4;