From patchwork Wed Jul 10 13:38:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11038507 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 929AA6C5 for ; Wed, 10 Jul 2019 13:40:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8436328948 for ; Wed, 10 Jul 2019 13:40:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 76F3828984; Wed, 10 Jul 2019 13:40:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 279B728941 for ; Wed, 10 Jul 2019 13:40:05 +0000 (UTC) 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=4I0hGOENDKEHmCtPjfPWkVyPCztUovB4XxHu7jSPBIw=; b=cVsaPyWjZy8/A3 Jrc6HvahQDY+bXdjZbx3TZjyTi9Md7An99da86uB9xr+BrE7J/K2EasyU5bDvGQ03GwqmGyO9Tcnv XQeuJpTYUXZRpf9g6Bmf7eAU0ZlXIVAjHGDoqfI5/4gL5q8BceI4VgIqC7BOMhW/xrgvgqkwwM5bG QG9icCpSBAgQsbsCh+Bv1Hjeg8xRKe7tYuf8NCjnIJigUhsbQl0Cr/jGcCYfSGy4ebGpv6G1wOrk8 t6qrmb9+oiV6TKzXbwwqn7OiwczjD2EjdugVS/6lBcnLONXpb2eZv7wRIRKRupLIQnG6Qj51C74xP dWlBubYXEt69AXjM8ssA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hlCp9-0007DR-4I; Wed, 10 Jul 2019 13:39:55 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hlCnr-0006bA-Hs; Wed, 10 Jul 2019 13:38:37 +0000 X-UUID: ad1ebeaad12c4e69a5d0004b4f9a0ff9-20190710 X-UUID: ad1ebeaad12c4e69a5d0004b4f9a0ff9-20190710 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1074925064; Wed, 10 Jul 2019 05:38:32 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 10 Jul 2019 06:38:30 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 10 Jul 2019 21:38:24 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 10 Jul 2019 21:38:24 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v3 3/4] scsi: ufs: Do not reset error history during host reset Date: Wed, 10 Jul 2019 21:38:20 +0800 Message-ID: <1562765901-18328-4-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1562765901-18328-1-git-send-email-stanley.chu@mediatek.com> References: <1562765901-18328-1-git-send-email-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190710_063835_594154_027D543F X-CRM114-Status: UNSURE ( 8.61 ) X-CRM114-Notice: Please train this message. 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: sthumma@codeaurora.org, marc.w.gonzalez@free.fr, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, peter.wang@mediatek.com, evgreen@chromium.org, subhashj@codeaurora.org, linux-mediatek@lists.infradead.org, ygardi@codeaurora.org, matthias.bgg@gmail.com, Stanley Chu , 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 X-Virus-Scanned: ClamAV using ClamSMTP Currently UFS error history will be reset and lost during host reset flow by ufschd_probe_hba(). We shall not reset it and then error history can be kept as completed as possible to improve debugging. In addition, fix a minor display error in ufshcd_print_err_hist(). Signed-off-by: Stanley Chu Reviewed-by: Avri Altman --- drivers/scsi/ufs/ufshcd.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index b8b874311509..a46c3d2b2ea3 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -402,7 +402,7 @@ static void ufshcd_print_err_hist(struct ufs_hba *hba, if (err_hist->reg[p] == 0) continue; - dev_err(hba->dev, "%s[%d] = 0x%x at %lld us\n", err_name, i, + dev_err(hba->dev, "%s[%d] = 0x%x at %lld us\n", err_name, p, err_hist->reg[p], ktime_to_us(err_hist->tstamp[p])); found = true; } @@ -6690,19 +6690,8 @@ static void ufshcd_tune_unipro_params(struct ufs_hba *hba) static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba) { - int err_reg_hist_size = sizeof(struct ufs_err_reg_hist); - hba->ufs_stats.hibern8_exit_cnt = 0; hba->ufs_stats.last_hibern8_exit_tstamp = ktime_set(0, 0); - - memset(&hba->ufs_stats.pa_err, 0, err_reg_hist_size); - memset(&hba->ufs_stats.dl_err, 0, err_reg_hist_size); - memset(&hba->ufs_stats.nl_err, 0, err_reg_hist_size); - memset(&hba->ufs_stats.tl_err, 0, err_reg_hist_size); - memset(&hba->ufs_stats.dme_err, 0, err_reg_hist_size); - memset(&hba->ufs_stats.fatal_err, 0, err_reg_hist_size); - memset(&hba->ufs_stats.auto_hibern8_err, 0, err_reg_hist_size); - hba->req_abort_count = 0; }