From patchwork Fri May 22 08:32:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11565013 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 D68E313B1 for ; Fri, 22 May 2020 08:36:39 +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 B59B720757 for ; Fri, 22 May 2020 08:36:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="P6w4qh62"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="XOterxaz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B59B720757 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-arm-kernel-bounces+patchwork-linux-arm=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=WCrVw+H1B+ccSGSQeAkMvW/blnz7479fXHjxMU2dD3Y=; b=P6w4qh62+M02jR CR4WFBc4uV1ugZ5gbISWojoQKHtfid28WKuBtx34a1XbhZLJmSw+GfZHkcAvvISiiz8IDnq37Mmjl 5I1aSah5AUXTrigtXOMjRhREy8elgf5UYm++b0Fto1Ub8u6QIpYIWmqBcBYfLnxmt+1N0A4LgCk22 dqoKvXMUP3L0HGmvew1fIkY2NOuEOxMfgfkIArDzZhL2HP1gwC5VhkWN4errLGa2KtlgTLrStzAMt E9x1wE6A9XIywk8KBO+e44jTIqCJTkjjnB4/5SJ9vtBe2lhAHv5+5wHCatIrVUQ/t/cUOxygPqiU4 6UEgZDb8mJyufv6IdkbQ==; 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 1jc3AQ-0003z2-NO; Fri, 22 May 2020 08:36:34 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jc3AL-0003w8-0d; Fri, 22 May 2020 08:36:32 +0000 X-UUID: 3ff8b269254c43fe9decbd273879f6ee-20200522 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=ySjpqS2b2+5IV1wMLJ9XawozivexLkd7UOWw5IgdK4A=; b=XOterxazLQFB2zwnlZuZQfv0G52lbAo5yMLA0BG6FIlRfSinKs01TJWqJ/PoEuXoa7wYoWmP5wIyeUrbPYRPd/y1brlRmAI6VAZZJF9lfip6hZXb5PICgVwEjoYBBYUEbzugyOPZ3f4ZhPfFogBcX2ajd16vFYjDYL0scRIDLIw=; X-UUID: 3ff8b269254c43fe9decbd273879f6ee-20200522 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1392306786; Fri, 22 May 2020 00:36:04 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 22 May 2020 01:32:16 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 22 May 2020 16:32:14 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 22 May 2020 16:32:14 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v4 2/4] scsi: ufs: Allow WriteBooster on UFS 2.2 devices Date: Fri, 22 May 2020 16:32:10 +0800 Message-ID: <20200522083212.4008-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200522083212.4008-1-stanley.chu@mediatek.com> References: <20200522083212.4008-1-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-20200522_013629_060228_AC030B72 X-CRM114-Status: UNSURE ( 7.59 ) 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_VALID Message has at least one valid DKIM or DK signature 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 0.0 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: Virtual_Global_UFS_Upstream@mediatek.com, bvanassche@acm.org, linux-kernel@vger.kernel.org, cang@codeaurora.org, linux-mediatek@lists.infradead.org, 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 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 Reviewed-by: Avri Altman --- 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 9e55c524f330..0dbd8a7a6642 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6930,6 +6930,7 @@ 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);