From patchwork Fri Jul 28 10:55:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Honghui Zhang X-Patchwork-Id: 9868483 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CC5196035E for ; Fri, 28 Jul 2017 10:56:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D4915288B7 for ; Fri, 28 Jul 2017 10:56:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C8F09288C5; Fri, 28 Jul 2017 10:56:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 521AF288A0 for ; Fri, 28 Jul 2017 10:56:45 +0000 (UTC) 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=S4MWlh/jxcJa1ZgAAW8Ft2ZOYGZ3KnY7RFk6Dxy4rHw=; b=D9yVxPL+/fWKo7 Sh9G+K/kLBsAnEaCcWZnYTxQkwQE9NFPuxtKMKh6OW9mJnalf0rd/9adSG32ZfPfQIEszQCdhJG/C leLlgdzIl880PN5NLHgUiiL0g/ma0zTJnvEDqJ3o/cvj44NG2TKlEF4rv193jmDogz4N8q75z8niU GRxoR6uxschJ6jfeJd69m8vm40Cie44G2cdijzXJUwJPIZ5FApPJarHbLMlr90H46+FI6xWo651Sc WLxAo5FNEn7AOA3wMdBI9Oos9EAq7ZBOCTrlW7jq0onDw4nB5Y98yVwJKv7tfAlQxwJmrST4MR2jI 0EgpO0Z/diWKM51Ie/rQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1db2wm-0006nP-GS; Fri, 28 Jul 2017 10:56:44 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1db2wi-0006Le-EF; Fri, 28 Jul 2017 10:56:42 +0000 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 885944305; Fri, 28 Jul 2017 18:56:13 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 28 Jul 2017 18:55:47 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Fri, 28 Jul 2017 18:55:46 +0800 From: To: , , , Subject: [PATCH v2 1/3] memory: mtk-smi: add larbid handle routine Date: Fri, 28 Jul 2017 18:55:41 +0800 Message-ID: <1501239343-9190-2-git-send-email-honghui.zhang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1501239343-9190-1-git-send-email-honghui.zhang@mediatek.com> References: <1501239343-9190-1-git-send-email-honghui.zhang@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-20170728_035640_671690_2DBAB090 X-CRM114-Status: GOOD ( 13.31 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, kendrick.hsu@mediatek.com, srv_heupstream@mediatek.com, erin.lo@mediatek.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, Honghui Zhang , xinping.qian@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Honghui Zhang In the commit 3c8f4ad85c4b ("memory/mediatek: add support for mt2701"), the larb->larbid was added but not initialized. Mediatek's gen1 smi need this hardware larbid information to get the register offset which controls whether enable iommu for this larb. This patch add the initialize routine for larbid. Signed-off-by: Honghui Zhang Reviewed-by: Matthias Brugger --- drivers/memory/mtk-smi.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c index 2b798bb4..8f75aaa 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -42,6 +42,7 @@ #define SMI_SECUR_CON_VAL_DOMAIN(id) (0x3 << ((((id) & 0x7) << 2) + 1)) struct mtk_smi_larb_gen { + bool need_larbid; int port_in_larb[MTK_LARB_NR_MAX + 1]; void (*config_port)(struct device *); }; @@ -214,6 +215,7 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8173 = { }; static const struct mtk_smi_larb_gen mtk_smi_larb_mt2701 = { + .need_larbid = true, .port_in_larb = { LARB0_PORT_OFFSET, LARB1_PORT_OFFSET, LARB2_PORT_OFFSET, LARB3_PORT_OFFSET @@ -240,6 +242,7 @@ static int mtk_smi_larb_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *smi_node; struct platform_device *smi_pdev; + int err; if (!dev->pm_domain) return -EPROBE_DEFER; @@ -263,6 +266,15 @@ static int mtk_smi_larb_probe(struct platform_device *pdev) return PTR_ERR(larb->smi.clk_smi); larb->smi.dev = dev; + if (larb->larb_gen->need_larbid) { + err = of_property_read_u32(dev->of_node, "mediatek,larbid", + &larb->larbid); + if (err) { + dev_err(dev, "missing larbid property\n"); + return err; + } + } + smi_node = of_parse_phandle(dev->of_node, "mediatek,smi", 0); if (!smi_node) return -EINVAL;