From patchwork Mon Jun 10 12:17:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yong Wu X-Patchwork-Id: 10984801 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4FA1D14DB for ; Mon, 10 Jun 2019 12:25:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3B4372857E for ; Mon, 10 Jun 2019 12:25:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2EFC0285AF; Mon, 10 Jun 2019 12:25:35 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id BFCAB28516 for ; Mon, 10 Jun 2019 12:25:34 +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=R/b2g/ENtoI4BHYi9sRyeV0Of3XTYyvjbptbB2fOLBw=; b=QtVi8ZCbPBvooJ hTAAaPPqQBr07nZYzR3rCp2mX7h8o8eJMcE0WreZV5jnSEuDyWwKnjFR9CqGQ4Z6LML9Ypq+YUFq6 VZeXiVwEzanMvMG2vhcJYyaVQncQgtUMTxN+2rijCf3gD3X8fyY0ujXBTJv4aC3tV8E97urCZLf/J T0PoS/nMVsw1c2nvtH45kTGMd1A6TvzqoETa3EXDrG9TWlE2OcncqgvV7WvsRy10swGqoOpmRZXkC GAz8AATM7OCkgyHcW0aOGnP5iaS3Cjmc6n6WKGr5GjIamz0dMO0ixcflHdt+Vx72sBnIr2UPK6gly neipsr6v3ZYU1o2tQMdA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1haJMf-000535-GK; Mon, 10 Jun 2019 12:25:29 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1haJIn-0000Ew-T4; Mon, 10 Jun 2019 12:21:32 +0000 X-UUID: 045a12c433c44c218ec3bbb60cb78cac-20190610 X-UUID: 045a12c433c44c218ec3bbb60cb78cac-20190610 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1809227700; Mon, 10 Jun 2019 04:19:29 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 10 Jun 2019 05:19:28 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 10 Jun 2019 20:19:20 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 10 Jun 2019 20:19:19 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Rob Herring Subject: [PATCH v7 04/21] memory: mtk-smi: Use a struct for the platform data for smi-common Date: Mon, 10 Jun 2019 20:17:43 +0800 Message-ID: <1560169080-27134-5-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1560169080-27134-1-git-send-email-yong.wu@mediatek.com> References: <1560169080-27134-1-git-send-email-yong.wu@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-20190610_052129_956816_A3BCB5BA X-CRM114-Status: GOOD ( 12.54 ) 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: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, Will Deacon , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Matthias Kaehlcke , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, yingjoe.chen@mediatek.com, anan.sun@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Use a struct as the platform special data instead of the enumeration. Also there is a minor change that moving the position of "enum mtk_smi_gen" definition, this is because we expect define "struct mtk_smi_common_plat" before it is referred. This is a preparing patch for mt8183. Signed-off-by: Yong Wu Reviewed-by: Matthias Brugger Reviewed-by: Evan Green --- drivers/memory/mtk-smi.c | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c index 9fd6b3d..8a2f968 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -49,6 +49,15 @@ #define SMI_LARB_NONSEC_CON(id) (0x380 + ((id) * 4)) #define F_MMU_EN BIT(0) +enum mtk_smi_gen { + MTK_SMI_GEN1, + MTK_SMI_GEN2 +}; + +struct mtk_smi_common_plat { + enum mtk_smi_gen gen; +}; + struct mtk_smi_larb_gen { bool need_larbid; int port_in_larb[MTK_LARB_NR_MAX + 1]; @@ -61,6 +70,8 @@ struct mtk_smi { struct clk *clk_apb, *clk_smi; struct clk *clk_async; /*only needed by mt2701*/ void __iomem *smi_ao_base; + + const struct mtk_smi_common_plat *plat; }; struct mtk_smi_larb { /* larb: local arbiter */ @@ -72,11 +83,6 @@ struct mtk_smi_larb { /* larb: local arbiter */ u32 *mmu; }; -enum mtk_smi_gen { - MTK_SMI_GEN1, - MTK_SMI_GEN2 -}; - static int mtk_smi_enable(const struct mtk_smi *smi) { int ret; @@ -351,18 +357,26 @@ static int mtk_smi_larb_remove(struct platform_device *pdev) } }; +static const struct mtk_smi_common_plat mtk_smi_common_gen1 = { + .gen = MTK_SMI_GEN1, +}; + +static const struct mtk_smi_common_plat mtk_smi_common_gen2 = { + .gen = MTK_SMI_GEN2, +}; + static const struct of_device_id mtk_smi_common_of_ids[] = { { .compatible = "mediatek,mt8173-smi-common", - .data = (void *)MTK_SMI_GEN2 + .data = &mtk_smi_common_gen2, }, { .compatible = "mediatek,mt2701-smi-common", - .data = (void *)MTK_SMI_GEN1 + .data = &mtk_smi_common_gen1, }, { .compatible = "mediatek,mt2712-smi-common", - .data = (void *)MTK_SMI_GEN2 + .data = &mtk_smi_common_gen2, }, {} }; @@ -372,13 +386,13 @@ static int mtk_smi_common_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mtk_smi *common; struct resource *res; - enum mtk_smi_gen smi_gen; int ret; common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL); if (!common) return -ENOMEM; common->dev = dev; + common->plat = of_device_get_match_data(dev); common->clk_apb = devm_clk_get(dev, "apb"); if (IS_ERR(common->clk_apb)) @@ -394,8 +408,7 @@ static int mtk_smi_common_probe(struct platform_device *pdev) * clock into emi clock domain, but for mtk smi gen2, there's no smi ao * base. */ - smi_gen = (enum mtk_smi_gen)of_device_get_match_data(dev); - if (smi_gen == MTK_SMI_GEN1) { + if (common->plat->gen == MTK_SMI_GEN1) { res = platform_get_resource(pdev, IORESOURCE_MEM, 0); common->smi_ao_base = devm_ioremap_resource(dev, res); if (IS_ERR(common->smi_ao_base))