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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-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, 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-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=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,