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Sat, 24 Aug 2019 11:03:17 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Will Deacon Subject: [PATCH v11 04/23] memory: mtk-smi: Use a struct for the platform data for smi-common Date: Sat, 24 Aug 2019 11:01:49 +0800 Message-ID: <1566615728-26388-5-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1566615728-26388-1-git-send-email-yong.wu@mediatek.com> References: <1566615728-26388-1-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-20190823_200357_212706_209887DF X-CRM114-Status: GOOD ( 12.86 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@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 , cui.zhang@mediatek.com, srv_heupstream@mediatek.com, chao.hao@mediatek.com, linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Matthias Kaehlcke , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org 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 14f70cf..47df7d0 100644 --- a/drivers/memory/mtk-smi.c +++ b/drivers/memory/mtk-smi.c @@ -41,6 +41,15 @@ #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]; @@ -53,6 +62,8 @@ 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 */ @@ -64,11 +75,6 @@ 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; @@ -343,18 +349,26 @@ 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, }, {} }; @@ -364,13 +378,13 @@ 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)) @@ -386,8 +400,7 @@ 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))