From patchwork Sat Jan 4 14:26:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11317709 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 6F496930 for ; Sat, 4 Jan 2020 14:26:31 +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 4DB8324653 for ; Sat, 4 Jan 2020 14:26:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="iXsKkfVg"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Z1lhBqcg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4DB8324653 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-mediatek-bounces+patchwork-linux-mediatek=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=B0p1PqFsMRevRSFW/RWs3g1RJ0dsbN7uU4Ws9J1nDt0=; b=iXsKkfVgV75wpw ciVNf5RTWuk97HeJeigM6Bx8V7dRsg+wheB8gzxfR3zHh3UEjTzRyiXtoomgOcleP5GsTbPjHMrTO S36FjOAeakTYffmLT+T5n6VlZfr1lEqMTczCxQAXJlLHSCHWJxFi94EXnqASqDZRodjwG6mVc7xtl WsHQ7Xfvyh5QVaTku1aIPomB3Fwc8txwRDyVRPpl8C108pKZai29UUVCDeAB1W4M/A76TsKdpH6eY IxJz52l176T86hIw0+eK7BkTdR+Oino9l45B1zrCCHj42FPMSfLghz3frkibMSmdaNsz2KI1cJ78B V3UiWNK0UmLT4D2yydbg==; 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 1inkNn-00005P-Rb; Sat, 04 Jan 2020 14:26:27 +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 1inkNf-0008Nx-J2; Sat, 04 Jan 2020 14:26:21 +0000 X-UUID: 3ec3ede03b9b49abaa10ede337b29247-20200104 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=Lcy3+KlfMb7jLpiBkhLUoc+fZ0Xd/X066UNWWwKFUng=; b=Z1lhBqcgEO/h+MWEeifc2Pkj+Ix4L8mD/gm333vaE/5EVABiB9qqN3HJQEE7vbZS8y+jpApuEOTdudiLUPpKwJDnD9Tlm8j8i37VNGNpyjzYH56A3TUY2xsrurpJa5DYr1GFmb/6I0kbWRpKbaG4xU+6J6zss7LgnJI4mfvqntY=; X-UUID: 3ec3ede03b9b49abaa10ede337b29247-20200104 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 670809894; Sat, 04 Jan 2020 06:26:12 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 4 Jan 2020 06:26:37 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 4 Jan 2020 22:25:38 +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; Sat, 4 Jan 2020 22:26:40 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v1 2/3] scsi: ufs: add device reset history for vendor implementations Date: Sat, 4 Jan 2020 22:26:07 +0800 Message-ID: <1578147968-30938-3-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1578147968-30938-1-git-send-email-stanley.chu@mediatek.com> References: <1578147968-30938-1-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-20200104_062619_636968_ADE26FFA X-CRM114-Status: UNSURE ( 8.75 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches 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_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -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-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stanley Chu , bvanassche@acm.org, andy.teng@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, beanhuo@micron.com, linux-arm-kernel@lists.infradead.org, asutoshd@codeaurora.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Device reset history shall be also added for vendor's device reset variant operation implementation. Cc: Alim Akhtar Cc: Asutosh Das Cc: Avri Altman Cc: Bart Van Assche Cc: Bean Huo Cc: Can Guo Cc: Matthias Brugger Signed-off-by: Stanley Chu Reviewed-by: Bean Huo Reviewed-by: Asutosh Das --- drivers/scsi/ufs/ufshcd.c | 5 +++-- drivers/scsi/ufs/ufshcd.h | 6 +++++- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index bae43da00bb6..29e3d50aabfb 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -4346,13 +4346,14 @@ static inline int ufshcd_disable_device_tx_lcc(struct ufs_hba *hba) return ufshcd_disable_tx_lcc(hba, true); } -static void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist, - u32 reg) +void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist, + u32 reg) { reg_hist->reg[reg_hist->pos] = reg; reg_hist->tstamp[reg_hist->pos] = ktime_get(); reg_hist->pos = (reg_hist->pos + 1) % UFS_ERR_REG_HIST_LENGTH; } +EXPORT_SYMBOL_GPL(ufshcd_update_reg_hist); /** * ufshcd_link_startup - Initialize unipro link startup diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index e05cafddc87b..de1be6a862b0 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -805,6 +805,8 @@ int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask, u32 val, unsigned long interval_us, unsigned long timeout_ms, bool can_sleep); void ufshcd_parse_dev_ref_clk_freq(struct ufs_hba *hba, struct clk *refclk); +void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist, + u32 reg); static inline void check_upiu_size(void) { @@ -1083,8 +1085,10 @@ static inline void ufshcd_vops_dbg_register_dump(struct ufs_hba *hba) static inline void ufshcd_vops_device_reset(struct ufs_hba *hba) { - if (hba->vops && hba->vops->device_reset) + if (hba->vops && hba->vops->device_reset) { hba->vops->device_reset(hba); + ufshcd_update_reg_hist(&hba->ufs_stats.dev_reset, 0); + } } extern struct ufs_pm_lvl_states ufs_pm_lvl_states[];