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Sat, 04 Jan 2020 06:26:24 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 4 Jan 2020 06:26:50 -0800 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; Sat, 4 Jan 2020 22:25:17 +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 22:26:39 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v1 1/3] scsi: ufs: fix empty check of error history Date: Sat, 4 Jan 2020 22:26:06 +0800 Message-ID: <1578147968-30938-2-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_062625_565422_7B5F855E X-CRM114-Status: GOOD ( 11.12 ) 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-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: 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-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Currently checking if an error history element is empty or not is by its "value". In most cases, value is error code. However this checking is not correct because some errors or events do not specify any values in error history so values remain as 0, and this will lead to incorrect empty checking. Fix it by checking "timestamp" instead of "value" because timestamp will be always assigned for all history elements 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 --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 1b97f2dc0b63..bae43da00bb6 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -385,7 +385,7 @@ static void ufshcd_print_err_hist(struct ufs_hba *hba, for (i = 0; i < UFS_ERR_REG_HIST_LENGTH; i++) { int p = (i + err_hist->pos) % UFS_ERR_REG_HIST_LENGTH; - if (err_hist->reg[p] == 0) + if (err_hist->tstamp[p] == 0) continue; 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])); 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: 11317703 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 6DBC6930 for ; 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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-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: 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-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=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[]; From patchwork Sat Jan 4 14:26:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11317715 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 C447C1395 for ; Sat, 4 Jan 2020 14:26:50 +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 98E8D24653 for ; 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bh=TsvdKljEI6vD5i07UDFZns0vwy5dihbpsSkQB+yr7JI=; b=goI72hwUhO7pkobr6JnahfA1RS5Ea5TIaAcLU6Jq79d66dhKhLpW7fut47sZT1H6xxw8htpDCGWXhX+hVAcc8a5D8H5JoghrxD99bOojbd4iTN7dZgSMqahbXx31LxN2VpZnsgCGaBsvS33vNOKtDCC+wtl17Phmao5D/sHOyYE=; X-UUID: 72b67ee65db04b368f69e9de0266c741-20200104 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1440783035; Sat, 04 Jan 2020 06:26:24 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 4 Jan 2020 06:26:50 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 4 Jan 2020 22:26:26 +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 3/3] scsi: ufs: remove "errors" word in ufshcd_print_err_hist() Date: Sat, 4 Jan 2020 22:26:08 +0800 Message-ID: <1578147968-30938-4-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_062626_455137_DF5F6C12 X-CRM114-Status: UNSURE ( 9.12 ) 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-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: 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-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Remove "errors" word in output string by ufshcd_print_err_hist() since not all printed targets are "errors". Sometimes they are just "events". In addition, all events which can be treated as "errors" already have "err" or "fail" words in their names. 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 --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 29e3d50aabfb..d847426507e7 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -393,7 +393,7 @@ static void ufshcd_print_err_hist(struct ufs_hba *hba, } if (!found) - dev_err(hba->dev, "No record of %s errors\n", err_name); + dev_err(hba->dev, "No record of %s\n", err_name); } static void ufshcd_print_host_regs(struct ufs_hba *hba)