From patchwork Mon Jun 1 10:46:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11581853 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 AF55E60D for ; Mon, 1 Jun 2020 10:46:59 +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 8BC3920772 for ; Mon, 1 Jun 2020 10:46:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jfuVXYca"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="MS6FVG0C" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8BC3920772 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=4ABmnj33S/r8VPoXm5EsU2AEfXqhQpJvTCULc6sx58o=; b=jfuVXYcaYaY5// StVxD5GZLNl/c0h6tpoCpMcodnbuj1HJ/pAy/cqdliM/6tUUUmunwdJMkooc6snmxuZffMwaLfwAI TqDNECs1ciuiFot1Hu8zyvbjajokVTJr//46t3/NuI7sGRqdHkVmgMvj7Gbl9A2s07DX9Szs4MClk /sYJeqWLn/f3P9X8hlwrv8/4FQeq8HRoB3Qc97XpQM2wqT9pQryPtyqHIuAxEL7E3TX52s29UoXma W3TjFYjlXc7hADs0BOVFLVewzV93tQG5uR66i5deH82oweQ8kznftZiRNsd7pxW8cAv2msssIVP2V whICecZd7/5shMSa875w==; 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 1jfhy3-0008Ka-IY; Mon, 01 Jun 2020 10:46:55 +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 1jfhy1-0008Ja-9x; Mon, 01 Jun 2020 10:46:54 +0000 X-UUID: 33c10c9899ea461b8e12452b15f3cd83-20200601 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=HC7R/RfYWhRRX5sUAj43TCGykJv8IzBjx5dQ0drVC1Y=; b=MS6FVG0CJMlklXSkKrq2E05G3ez5TpsEAyO679RfNqQGsAwokG/E82vZhBK3xwx0aKapkgVKvmXcU6SENIRmCKz+eM7RPg7sCapjhLlQJAb1ZI2Lk7DvoqGwonUEc+czAQyd3Xj4/BcWIV4qsQkiftTrIsjPtOd0dpVzQnG5qLs=; X-UUID: 33c10c9899ea461b8e12452b15f3cd83-20200601 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 2071583030; Mon, 01 Jun 2020 02:46:44 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 1 Jun 2020 03:46:47 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 1 Jun 2020 18:46:46 +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; Mon, 1 Jun 2020 18:46:46 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v3 5/5] scsi: ufs-mediatek: Allow unbound mphy Date: Mon, 1 Jun 2020 18:46:46 +0800 Message-ID: <20200601104646.15436-6-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200601104646.15436-1-stanley.chu@mediatek.com> References: <20200601104646.15436-1-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-20200601_034653_482918_6534DD9D X-CRM114-Status: UNSURE ( 7.62 ) 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_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an 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: Stanley Chu , bvanassche@acm.org, andy.teng@mediatek.com, cc.chou@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, beanhuo@micron.com, chaotian.jing@mediatek.com, linux-arm-kernel@lists.infradead.org, asutoshd@codeaurora.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Allow unbound MPHY module since not every MediaTek UFS platform needs specific MPHY control. Signed-off-by: Stanley Chu Reviewed-by: Peter Wang --- drivers/scsi/ufs/ufs-mediatek.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 1cc7bea1468b..9a4432c9f7dc 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -113,6 +113,12 @@ static int ufs_mtk_bind_mphy(struct ufs_hba *hba) if (err) host->mphy = NULL; + /* + * Allow unbound mphy because not every platform needs specific + * mphy control. + */ + if (err == -ENODEV) + err = 0; return err; }