From patchwork Mon Jun 15 14:31:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11605237 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 BD41290 for ; Mon, 15 Jun 2020 14:32:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7CDB120739 for ; Mon, 15 Jun 2020 14:32:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hrBo9Xh7"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="UFyGNRZG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7CDB120739 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YbfGKhsxY4IOxJYD+Epj+1xAyWr3kWNIQuUAYwfImOk=; b=hrBo9Xh7dUym43 sJEKfMM1AkIGXqAXzabz/ZaPNjGxOlOwk9r1tuYH4B+J898c4CoTWpJNPusbXquSs0WSOlZfnMtgY JxJ0NBc1wmczR+4IuB6IEE4IWTtT00udS/jvN6VksyYv1t5qx/sZk7Rfs9/0FsgaZD6BVHcoiw5bK G27PssqjpA38ttvlygFFr93nZKDMT1LgLH3YZVIQ6XAGw/yFFS94pdm9xs3FZNvSBPUXhC49yrk6X arhw9E86t6RjZlLpbih/wnPHGRORzmscw3nTzMcV8QyS7nfDg5Sq0/XPpO0O0jLm0oem/H5loMx5O G/2nsOpzhPuF85DBt5rA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jkqAC-0001LJ-UA; Mon, 15 Jun 2020 14:32:40 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jkq9I-0000UV-AQ; Mon, 15 Jun 2020 14:31:45 +0000 X-UUID: 491d86ba799d4bdc9fef71ec94716264-20200615 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=kr2jM3RF3TtcKfmiwQa78Z5GzGFPEkqB/QqVcBMG3TY=; b=UFyGNRZGPWnOhHUMVcxkDzOBNOvjTOmWdC2yqHnkqjzo7aoy/Xwyt16jObOfYMqVIr6pdd6DLM5ET2X0QCZLYfA/rLVXAiuW6RsjkZUJXISYMcQMOUPnz1guSQ12yMK+X1Vf0HI1pytWpnG/mlHw+Q1johWc2lpKoy7pVjl4TR0=; X-UUID: 491d86ba799d4bdc9fef71ec94716264-20200615 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1916784615; Mon, 15 Jun 2020 06:31:40 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 15 Jun 2020 07:31:38 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 15 Jun 2020 22:31:22 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 15 Jun 2020 22:31:22 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1 3/3] scsi: ufs-mediatek: Print host information for failed supsend and resume Date: Mon, 15 Jun 2020 22:31:23 +0800 Message-ID: <20200615143123.6627-4-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200615143123.6627-1-stanley.chu@mediatek.com> References: <20200615143123.6627-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 8EC26055AF32B427709C81554C49B22046A151F1F85C4188A4CE82C53D9714202000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200615_073144_369490_820839BA X-CRM114-Status: UNSURE ( 8.29 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bvanassche@acm.org, andy.teng@mediatek.com, cc.chou@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, cang@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, Stanley Chu , chaotian.jing@mediatek.com, linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Print host state and register dumps while suspend or resume flow is failed. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufs-mediatek.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index d56ce8d97d4e..b0f626f6f9fe 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -469,22 +469,25 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba *hba) err = ufshcd_hba_enable(hba); if (err) - return err; + goto out; err = ufs_mtk_unipro_set_pm(hba, 0); if (err) - return err; + goto out; err = ufshcd_uic_hibern8_exit(hba); if (!err) ufshcd_set_link_active(hba); else - return err; + goto out; err = ufshcd_make_hba_operational(hba); if (err) - return err; - + goto out; +out: + if (err) + ufshcd_print_info(hba, UFS_INFO_HOST_STATE | + UFS_INFO_HOST_REGS | UFS_INFO_PWR); return 0; } @@ -494,6 +497,9 @@ static int ufs_mtk_link_set_lpm(struct ufs_hba *hba) err = ufs_mtk_unipro_set_pm(hba, 1); if (err) { + ufshcd_print_info(hba, UFS_INFO_HOST_STATE | + UFS_INFO_HOST_REGS | UFS_INFO_PWR); + /* Resume UniPro state for following error recovery */ ufs_mtk_unipro_set_pm(hba, 0); return err;