From patchwork Wed Mar 18 10:40:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 11444909 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 63D0092A for ; Wed, 18 Mar 2020 10:41:20 +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 40B8420771 for ; Wed, 18 Mar 2020 10:41:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sUHzTSnV"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="eaLUf3Gt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 40B8420771 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=lmG1MbYZySj0HImvuxFwl61JjbtCWZcMp2hXlq8dxSY=; b=sUHzTSnVgfjis9 dqt1iPuxxuGi7JvIrmN1hI3A7om9WRTziKkIK0OERE53PXJnOkgf9wYM7Ur3dw5Ef6HUBqmKwHlb+ 3Vx3i+DpsQaquhWpf2jCxDuaXyuWzZnyUgCGfgjrqqKKKPAH3ruluvjSG9NvgAGU3pi69TFiDWHAC oZHJejlsUu5Knm46KmtPtLCZH7yuiJjdmrP8GWhFcGREimkm1oymFXlIWAUSRCflHeR7C4f2RMK08 ojOgoHCE/z5ONNQO1J9tJCn5Q6Can1dagdFyxAAbpHtJwO32VydzD5KwMRE6SJs52eUAxZ1zfCnJy fIIKvjwcUICHNWwU7piA==; 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 1jEW8S-0000Rr-Us; Wed, 18 Mar 2020 10:41:16 +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 1jEW7e-0008Dm-Mc; Wed, 18 Mar 2020 10:40:29 +0000 X-UUID: 02e3405b83774f069b7d383a930f85f3-20200318 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=Jk5a+ZlLAUvbEoERhmD+WTHZXAlCECp/np4FCyrLZpw=; b=eaLUf3GtixSjIM7DZzAluOMSbqdGPZZwuWe3MeS6u+tICqW5JtmjG2hPFG2Zpo0VSiDBRxSv1EhpUQjxFvZEuv26meMy05AlsA4LtxmCGrT1kXCeOBdvIBJ8ybHARcxcSygh14zLIWtHe33TodceWlFRMqQng77an96jY/r2QCQ=; X-UUID: 02e3405b83774f069b7d383a930f85f3-20200318 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1484517807; Wed, 18 Mar 2020 02:40:22 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 18 Mar 2020 03:40:20 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 18 Mar 2020 18:38:01 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 18 Mar 2020 18:40:31 +0800 From: Stanley Chu To: , , , , , Subject: [PATCH v7 4/7] scsi: ufs-mediatek: use common delay function for required places Date: Wed, 18 Mar 2020 18:40:13 +0800 Message-ID: <20200318104016.28049-5-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200318104016.28049-1-stanley.chu@mediatek.com> References: <20200318104016.28049-1-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-20200318_034026_770873_80748788 X-CRM114-Status: UNSURE ( 9.35 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 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_VALID_AU Message has a valid DKIM or DK signature from author's domain 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 0.0 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 , 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, beanhuo@micron.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 A common delay function is introduced in UFS core driver, thus ufs-mediatek can use it instead of the private delay function for required places. Signed-off-by: Stanley Chu Reviewed-by: Avri Altman --- drivers/scsi/ufs/ufs-mediatek.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 3b0e575d7460..73bd4c245f4a 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -100,17 +100,6 @@ static int ufs_mtk_bind_mphy(struct ufs_hba *hba) return err; } -static void ufs_mtk_udelay(unsigned long us) -{ - if (!us) - return; - - if (us < 10) - udelay(us); - else - usleep_range(us, us + 10); -} - static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); @@ -123,7 +112,7 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) if (on) { ufs_mtk_ref_clk_notify(on, res); - ufs_mtk_udelay(host->ref_clk_ungating_wait_us); + ufshcd_delay_us(host->ref_clk_ungating_wait_us, 10); ufshcd_writel(hba, REFCLK_REQUEST, REG_UFS_REFCLK_CTRL); } else { ufshcd_writel(hba, REFCLK_RELEASE, REG_UFS_REFCLK_CTRL); @@ -150,7 +139,7 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) out: host->ref_clk_enabled = on; if (!on) { - ufs_mtk_udelay(host->ref_clk_gating_wait_us); + ufshcd_delay_us(host->ref_clk_gating_wait_us, 10); ufs_mtk_ref_clk_notify(on, res); }