From patchwork Sat May 16 17:46:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11553685 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 C6D1659D for ; Sat, 16 May 2020 17:57:32 +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 A3F1D206D4 for ; Sat, 16 May 2020 17:57:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VcTousur"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Vdc+Pvcb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3F1D206D4 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=+9bdCWs1cdxynqnt11DcKugvkKFgqV58KDjowrpmLTY=; b=VcTousuraRSkOX 4EyGh4y0Us2rS7GFEWUjZo3dQA2sEOx1ofyTWQ1+pc5BPAnzy/IgYQU097VK/AIUgrYCTUXaqtctS vNV/+pxzSG18XMBoZV70HjrmkCkR51FooK+7YFtJRSdYv8ZzRGMa0drdofl9UYKHmtsfbFwkuxQ5i XpobfbcznZ0IAk/YIebbA6rQ3OB1/EN04oC2fVsnztHmBTCEIqLLD+cqlxJUi1RFY5iAyCHQz43Vz 1LSNbyfGFEaqTs2vSR9yAdHDnuyEH8V7B1j9eapH0C3wiKbgajy4AruMKqAGzMBxAEkXvbNvIQHzd fzReEVAIhNfuw9E2x6SQ==; 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 1ja13s-0005BX-P3; Sat, 16 May 2020 17:57:24 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ja132-0004Sn-Ug; Sat, 16 May 2020 17:56:34 +0000 X-UUID: 7afd3cff99d341aab57c5921c0c1a69d-20200516 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=cP1jrUWPWOVPgxIIirlAHdjpL7pTLZO8fJ19i9+K9jA=; b=Vdc+PvcbwKFWvjb73MYZ4H1CqpImfNP82mK5+yFo9+0Qtvu9tOJBq4lyE1G5GV37vMO22cdek1bTDWI8+0G36nL++tGUK6FBaPRHJFCbV4UapYpMhnd+jpkEp8ZEnU/iEGAO1uMxA2jvfTYR1CFPLW5ZZgUvRUTGMEZjCjeYwH0=; X-UUID: 7afd3cff99d341aab57c5921c0c1a69d-20200516 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 2087857370; Sat, 16 May 2020 09:56:35 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 16 May 2020 10:46:22 -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; Sun, 17 May 2020 01:46:14 +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; Sun, 17 May 2020 01:46:13 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v3 2/5] scsi: ufs: Allow WriteBooster on UFS 2.2 devices Date: Sun, 17 May 2020 01:46:12 +0800 Message-ID: <20200516174615.15445-3-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200516174615.15445-1-stanley.chu@mediatek.com> References: <20200516174615.15445-1-stanley.chu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 42F24BE482B07131F06058083BE0FC93688E29EC4983011DEF0F26FB5F3517062000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200516_105633_013805_91DD3F3E X-CRM114-Status: UNSURE ( 7.73 ) 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_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 -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's 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: 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 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 4a3f3648c64f..f7fa571020da 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6925,6 +6925,7 @@ 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);