From patchwork Fri May 8 17:15:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11537279 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 D6EA7913 for ; Fri, 8 May 2020 17:26:45 +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 B3EEE21775 for ; Fri, 8 May 2020 17:26:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="c3FnXxsi"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="B0rhEwco" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3EEE21775 Authentication-Results: mail.kernel.org; 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Fri, 08 May 2020 09:25:04 -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; Fri, 8 May 2020 10:15:14 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 01:15:10 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 9 May 2020 01:15:11 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1 1/5] scsi: ufs: introduce ufs_hba_variant_params to collect customizable parameters Date: Sat, 9 May 2020 01:15:09 +0800 Message-ID: <20200508171513.14665-2-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200508171513.14665-1-stanley.chu@mediatek.com> References: <20200508171513.14665-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 739650311132C533E0239377C792F065F22E93209043B0A347B74DED9CE26FAE2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200508_102530_838281_4903ACC6 X-CRM114-Status: GOOD ( 12.01 ) 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_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_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_EF Message has a valid DKIM or DK signature from envelope-from 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: 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, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org There are more and more customizable parameters showed up in UFS driver. Let's collect them into an unified place to make the driver more clean. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufshcd.c | 38 +++++++++++++++----------------------- drivers/scsi/ufs/ufshcd.h | 8 +++++++- 2 files changed, 22 insertions(+), 24 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 426073a518ef..cdacbe6378a1 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1353,23 +1353,6 @@ static int ufshcd_devfreq_get_dev_status(struct device *dev, return 0; } -static struct devfreq_dev_profile ufs_devfreq_profile = { - .polling_ms = 100, - .target = ufshcd_devfreq_target, - .get_dev_status = ufshcd_devfreq_get_dev_status, -}; - -#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) -static struct devfreq_simple_ondemand_data ufs_ondemand_data = { - .upthreshold = 70, - .downdifferential = 5, -}; - -static void *gov_data = &ufs_ondemand_data; -#else -static void *gov_data; /* NULL */ -#endif - static int ufshcd_devfreq_init(struct ufs_hba *hba) { struct list_head *clk_list = &hba->clk_list_head; @@ -1385,12 +1368,12 @@ static int ufshcd_devfreq_init(struct ufs_hba *hba) dev_pm_opp_add(hba->dev, clki->min_freq, 0); dev_pm_opp_add(hba->dev, clki->max_freq, 0); - ufshcd_vops_config_scaling_param(hba, &ufs_devfreq_profile, - gov_data); + ufshcd_vops_config_scaling_param(hba, &hba->vps->devfreq_profile, + &hba->vps->ondemand_data); devfreq = devfreq_add_device(hba->dev, - &ufs_devfreq_profile, + &hba->vps->devfreq_profile, DEVFREQ_GOV_SIMPLE_ONDEMAND, - gov_data); + &hba->vps->ondemand_data); if (IS_ERR(devfreq)) { ret = PTR_ERR(devfreq); dev_err(hba->dev, "Unable to register with devfreq %d\n", ret); @@ -4314,7 +4297,7 @@ int ufshcd_hba_enable(struct ufs_hba *hba) * instruction might be read back. * This delay can be changed based on the controller. */ - ufshcd_delay_us(hba->hba_enable_delay_us, 100); + ufshcd_delay_us(hba->vps->hba_enable_delay_us, 100); /* wait for the host controller to complete initialization */ retry = 50; @@ -7477,6 +7460,15 @@ static const struct attribute_group *ufshcd_driver_groups[] = { NULL, }; +static struct ufs_hba_variant_params ufs_hba_vps = { + .hba_enable_delay_us = 1000, + .devfreq_profile.polling_ms = 100, + .devfreq_profile.target = ufshcd_devfreq_target, + .devfreq_profile.get_dev_status = ufshcd_devfreq_get_dev_status, + .ondemand_data.upthreshold = 70, + .ondemand_data.downdifferential = 5, +}; + static struct scsi_host_template ufshcd_driver_template = { .module = THIS_MODULE, .name = UFSHCD, @@ -8724,7 +8716,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) hba->mmio_base = mmio_base; hba->irq = irq; - hba->hba_enable_delay_us = 1000; + hba->vps = &ufs_hba_vps; err = ufshcd_hba_init(hba); if (err) diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 23a434c03c2a..f7bdf52ba8b0 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -566,6 +566,12 @@ enum ufshcd_caps { UFSHCD_CAP_WB_EN = 1 << 7, }; +struct ufs_hba_variant_params { + struct devfreq_dev_profile devfreq_profile; + struct devfreq_simple_ondemand_data ondemand_data; + u16 hba_enable_delay_us; +}; + /** * struct ufs_hba - per adapter private structure * @mmio_base: UFSHCI base register address @@ -663,6 +669,7 @@ struct ufs_hba { int nutmrs; u32 ufs_version; const struct ufs_hba_variant_ops *vops; + struct ufs_hba_variant_params *vps; void *priv; unsigned int irq; bool is_irq_enabled; @@ -684,7 +691,6 @@ struct ufs_hba { u32 eh_flags; u32 intr_mask; u16 ee_ctrl_mask; - u16 hba_enable_delay_us; bool is_powered; /* Work Queues */ From patchwork Fri May 8 17:15:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11537273 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 092BC913 for ; Fri, 8 May 2020 17:26:27 +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 DB07621775 for ; 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bh=/HC29kRrxJH61BO6WzPlujwmGgSJEavtB4FUy0x88ZI=; b=Gqi6k/3w7jbvqay7wD/hSV501TanXvfWt+fa3Koug7JN/8atMZs/takxk60fEGHsnaLvJuPnlr3BEUeH5X6qDwKeWierQW9xhvWEp7TgizTMMgZKCpdrzN3TqhR7MiePf7E1cLejgvDFdZWzFdSuLc/j94TqyTt5lAY5fUvZZRk=; X-UUID: 680bb92157434640a88de86728970887-20200508 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 769655743; Fri, 08 May 2020 09:25:04 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 May 2020 10:15:18 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 01:15:11 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 9 May 2020 01:15:12 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1 2/5] scsi: ufs-mediatek: change the way to use customizable parameters Date: Sat, 9 May 2020 01:15:10 +0800 Message-ID: <20200508171513.14665-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200508171513.14665-1-stanley.chu@mediatek.com> References: <20200508171513.14665-1-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-20200508_102529_483927_1C3E6D0C X-CRM114-Status: UNSURE ( 9.54 ) 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_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_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_EF Message has a valid DKIM or DK signature from envelope-from 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: 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, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Now all customizable parameters have been moved to hba->vps, thus modify the way to use them. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufs-mediatek.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index c543142554d3..56620f7d88ce 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -79,9 +79,9 @@ static int ufs_mtk_hce_enable_notify(struct ufs_hba *hba, if (status == PRE_CHANGE) { if (host->unipro_lpm) - hba->hba_enable_delay_us = 0; + hba->vps->hba_enable_delay_us = 0; else - hba->hba_enable_delay_us = 600; + hba->vps->hba_enable_delay_us = 600; } return 0; From patchwork Fri May 8 17:15:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11537275 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 ED24A913 for ; Fri, 8 May 2020 17:26:28 +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 B106021775 for ; 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bh=0ORkRYecHIDtUF3MhVdta5cgJ+2Y5vlSsyDAf2BQW40=; b=Y1qhyoVEz/VSfnYZJQwI1EyMLo9iGjCYtCa7Oo4eaZk886ImFUMnH6kJolCf5vQknmc5GeSelLTaZrc3PtsOT7OUFMxqcYes9T2N386vehKZ0KQnY2UXnfZh5aJPrC0/cWlECIQPDk9+IJMg0l5ii4mPCl0+K11OcbklR0l4ecY=; X-UUID: 9e62a6f9c40a45a68d7d1e27e133c387-20200508 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 2047652130; Fri, 08 May 2020 09:25:04 -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; Fri, 8 May 2020 10:15:15 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 01:15:10 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 9 May 2020 01:15:12 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1 3/5] scsi: ufs: customize flush threshold for WriteBooster Date: Sat, 9 May 2020 01:15:11 +0800 Message-ID: <20200508171513.14665-4-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200508171513.14665-1-stanley.chu@mediatek.com> References: <20200508171513.14665-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: D97692ED15460159C4AFB5BA8F463C69AA861F79961DE9ADFD1E9F8C1A6BF2862000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200508_102529_577930_2A7D3638 X-CRM114-Status: GOOD ( 11.32 ) 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_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_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_EF Message has a valid DKIM or DK signature from envelope-from 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: 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, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Allow flush threshold for WriteBooster to be customizable by vendors. To achieve this, make the value as a variable in struct ufs_hba first. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufshcd.c | 6 ++++-- drivers/scsi/ufs/ufshcd.h | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index cdacbe6378a1..9a0ce6550c2f 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -5301,8 +5301,8 @@ static bool ufshcd_wb_presrv_usrspc_keep_vcc_on(struct ufs_hba *hba, cur_buf); return false; } - /* Let it continue to flush when >60% full */ - if (avail_buf < UFS_WB_40_PERCENT_BUF_REMAIN) + /* Let it continue to flush when available buffer exceeds threshold */ + if (avail_buf < hba->vps->wb_flush_threshold) return true; return false; @@ -6839,6 +6839,7 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, u8 *desc_buf) if (!d_lu_wb_buf_alloc) goto wb_disabled; } + return; wb_disabled: @@ -7462,6 +7463,7 @@ static const struct attribute_group *ufshcd_driver_groups[] = { static struct ufs_hba_variant_params ufs_hba_vps = { .hba_enable_delay_us = 1000, + .wb_flush_threshold = UFS_WB_40_PERCENT_BUF_REMAIN, .devfreq_profile.polling_ms = 100, .devfreq_profile.target = ufshcd_devfreq_target, .devfreq_profile.get_dev_status = ufshcd_devfreq_get_dev_status, diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index f7bdf52ba8b0..e3dfb48e669e 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -570,6 +570,7 @@ struct ufs_hba_variant_params { struct devfreq_dev_profile devfreq_profile; struct devfreq_simple_ondemand_data ondemand_data; u16 hba_enable_delay_us; + u32 wb_flush_threshold; }; /** From patchwork Fri May 8 17:15:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11537267 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 E9E66913 for ; Fri, 8 May 2020 17:25:59 +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 C023221775 for ; Fri, 8 May 2020 17:25:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZuDIP2tH"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="RKxRCN01" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C023221775 Authentication-Results: mail.kernel.org; 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Fri, 08 May 2020 09:25:04 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 May 2020 10:15:19 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 01:15:11 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 9 May 2020 01:15:12 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1 4/5] scsi: ufs: use flexible definition for UFS_WB_BUF_REMAIN_PERCENT Date: Sat, 9 May 2020 01:15:12 +0800 Message-ID: <20200508171513.14665-5-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200508171513.14665-1-stanley.chu@mediatek.com> References: <20200508171513.14665-1-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-20200508_102528_138557_E9505A0E X-CRM114-Status: GOOD ( 10.25 ) 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_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_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_EF Message has a valid DKIM or DK signature from envelope-from 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: 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, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Use macro UFS_WB_BUF_REMAIN_PERCENT() instead to provide more flexible usage of WriteBooster available buffer values. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufs.h | 5 +---- drivers/scsi/ufs/ufshcd.c | 4 ++-- 2 files changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index b3135344ab3f..fadba3a3bbcd 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -478,10 +478,7 @@ enum ufs_dev_pwr_mode { UFS_POWERDOWN_PWR_MODE = 3, }; -enum ufs_dev_wb_buf_avail_size { - UFS_WB_10_PERCENT_BUF_REMAIN = 0x1, - UFS_WB_40_PERCENT_BUF_REMAIN = 0x4, -}; +#define UFS_WB_BUF_REMAIN_PERCENT(val) ((val) / 10) /** * struct utp_cmd_rsp - Response UPIU structure diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 9a0ce6550c2f..bcc7a9ea8d2b 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -5336,7 +5336,7 @@ static bool ufshcd_wb_keep_vcc_on(struct ufs_hba *hba) } if (!hba->dev_info.b_presrv_uspc_en) { - if (avail_buf <= UFS_WB_10_PERCENT_BUF_REMAIN) + if (avail_buf <= UFS_WB_BUF_REMAIN_PERCENT(10)) return true; return false; } @@ -7463,7 +7463,7 @@ static const struct attribute_group *ufshcd_driver_groups[] = { static struct ufs_hba_variant_params ufs_hba_vps = { .hba_enable_delay_us = 1000, - .wb_flush_threshold = UFS_WB_40_PERCENT_BUF_REMAIN, + .wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(40), .devfreq_profile.polling_ms = 100, .devfreq_profile.target = ufshcd_devfreq_target, .devfreq_profile.get_dev_status = ufshcd_devfreq_get_dev_status, From patchwork Fri May 8 17:15:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11537241 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 1AEE8913 for ; Fri, 8 May 2020 17:16:51 +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 E4A5F21775 for ; 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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_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_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_EF Message has a valid DKIM or DK signature from envelope-from 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: 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, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Change the WriteBooster policy to keep VCC on during runtime suspend if available WriteBooster buffer is less than 80%. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufs-mediatek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 56620f7d88ce..94e97701f456 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -271,6 +271,7 @@ static int ufs_mtk_init(struct ufs_hba *hba) /* Enable WriteBooster */ hba->caps |= UFSHCD_CAP_WB_EN; + hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80); /* * ufshcd_vops_init() is invoked after