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Tue, 12 May 2020 18:47:51 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 12 May 2020 18:47:50 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1 2/4] scsi: ufs: Allow WriteBooster on UFS 2.2 devices Date: Tue, 12 May 2020 18:47:48 +0800 Message-ID: <20200512104750.8711-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200512104750.8711-1-stanley.chu@mediatek.com> References: <20200512104750.8711-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: D1B50872121CB6B6D9F75C1A4FDBB9E9BC6FD434C636AD02B0AD00D4503F5AB22000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200512_035808_797189_003AE882 X-CRM114-Status: UNSURE ( 8.46 ) X-CRM114-Notice: Please train this message. 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org According to the UFS specification, WriteBooster is officially supported by UFS 2.2. Since UFS 2.2 specification has been finalized in JEDEC and such devices have also showed up in the market, modify the checking rule for ufshcd_wb_probe() to allow these devices to enable WriteBooster. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufshcd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 41ad4501b0d0..b298bdd3e697 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6942,6 +6942,7 @@ static int ufs_get_device_desc(struct ufs_hba *hba) * UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES enabled */ if (dev_info->wspecversion >= 0x310 || + dev_info->wspecversion == 0x220 || (hba->dev_quirks & UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES)) ufshcd_wb_probe(hba, desc_buf); -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6F29C54E8E for ; 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Tue, 12 May 2020 18:47:51 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 12 May 2020 18:47:50 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v1 2/4] scsi: ufs: Allow WriteBooster on UFS 2.2 devices Date: Tue, 12 May 2020 18:47:48 +0800 Message-ID: <20200512104750.8711-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200512104750.8711-1-stanley.chu@mediatek.com> References: <20200512104750.8711-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: D1B50872121CB6B6D9F75C1A4FDBB9E9BC6FD434C636AD02B0AD00D4503F5AB22000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200512_035808_797189_003AE882 X-CRM114-Status: UNSURE ( 8.46 ) 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: 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org According to the UFS specification, WriteBooster is officially supported by UFS 2.2. Since UFS 2.2 specification has been finalized in JEDEC and such devices have also showed up in the market, modify the checking rule for ufshcd_wb_probe() to allow these devices to enable WriteBooster. Signed-off-by: Stanley Chu --- drivers/scsi/ufs/ufshcd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 41ad4501b0d0..b298bdd3e697 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6942,6 +6942,7 @@ static int ufs_get_device_desc(struct ufs_hba *hba) * UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES enabled */ if (dev_info->wspecversion >= 0x310 || + dev_info->wspecversion == 0x220 || (hba->dev_quirks & UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES)) ufshcd_wb_probe(hba, desc_buf); -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel