From patchwork Wed Jul 28 07:58:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405089 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57364C43216 for ; Wed, 28 Jul 2021 07:59:13 +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 25CD861007 for ; Wed, 28 Jul 2021 07:59:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 25CD861007 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=6G9HCxSuNneDOM74w5NDAtii9f+e3C700EdXo3ghOCs=; b=DSUb9oIc/RtlyC P2DlbHzNLqjkIQfeX8uiDkju9VK49Fg74TIYuo5jR1AY9FqzsX7Kjl1BgIVb6WKgEsSNAf7GH3dUo JJUhU3Ee4XHekJoA7CtNW3WwoN570NPvPU5+m9qs/QDPds611g64Fj0fwFgaiyd+bhtFm/+B528t2 fl3VSBmX9dKFtcLwz+NtMlvtL1+nfVaLcPzrFkT8hOPiTAV4+cxnAU5ozMzJ871wPQ0r5wGcWyiLt 1eNUbZtnWTy2ITlAVfcJOHepj34JwA9dxNnf9Hlwy1jj/Y3mSVF8tH5+8gB9SLhPTmCk7Xo9ekcHn L0xGSx8kyMoOpy/8b5rA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8eTA-00HPTr-Kb; Wed, 28 Jul 2021 07:59:12 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8eT7-00HPRt-0q; Wed, 28 Jul 2021 07:59:11 +0000 X-UUID: c82c56ebb60448bcb40af3a928ef5201-20210728 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:Message-ID:Date:Subject:CC:To:From; bh=+z5bSJb+rUuSHs1EW07Sifftwl15m7Mg316eEqU34ok=; b=JrAzfSg+t9u1zubh/lKm/Rnz6e/KhlCuBZJqBYwsu2++Ivar1R4fxVStv73Ki2VMkMACJnCW/sBd7Sa6caXRGywe2GNOBs+GaMbcYrxHULU2oTih/h99GycksdknLT2dccums5+82Cq4jzj7awHTu0cgtwmDogrOlmGlbKBQ3hY=; X-UUID: c82c56ebb60448bcb40af3a928ef5201-20210728 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 114014830; Wed, 28 Jul 2021 00:59:06 -0700 Received: from MTKMBS06N2.mediatek.inc (172.21.101.130) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 28 Jul 2021 00:59:04 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs06n2.mediatek.inc (172.21.101.130) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 28 Jul 2021 15:59:03 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 28 Jul 2021 15:59:01 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 1/9] dt-bindings: phy: mediatek: tphy: support type switch by pericfg Date: Wed, 28 Jul 2021 15:58:23 +0800 Message-ID: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210728_005910_566234_DAD8C92C X-CRM114-Status: GOOD ( 10.67 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add support type switch by pericfg register between USB3, PCIe, SATA, SGMII, this is used to replace the way through efuse or jumper. Signed-off-by: Chunfeng Yun Reviewed-by: Rob Herring --- .../devicetree/bindings/phy/mediatek,tphy.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml index 838852cb8527..9e6c0f43f1c6 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml @@ -201,6 +201,22 @@ patternProperties: Specify the flag to enable BC1.2 if support it type: boolean + mediatek,syscon-type: + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + description: + A phandle to syscon used to access the register of type switch, + the field should always be 3 cells long. + items: + items: + - description: + The first cell represents a phandle to syscon + - description: + The second cell represents the register offset + - description: + The third cell represents the index of config segment + enum: [0, 1, 2, 3] + required: - reg - "#phy-cells" From patchwork Wed Jul 28 07:58:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405151 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45F94C4338F for ; Wed, 28 Jul 2021 08:05:46 +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 040B560F41 for ; 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Wed, 28 Jul 2021 01:05:40 -0700 Received: from MTKMBS06N1.mediatek.inc (172.21.101.129) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 28 Jul 2021 00:59:05 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 28 Jul 2021 15:59:04 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 28 Jul 2021 15:59:03 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 2/9] phy: phy-mtk-tphy: use clock bulk to get clocks Date: Wed, 28 Jul 2021 15:58:24 +0800 Message-ID: <1627459111-2907-2-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_010542_547231_43E97EA8 X-CRM114-Status: GOOD ( 15.97 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Use clock bulk helpers to get/enable/disable clocks Signed-off-by: Chunfeng Yun --- drivers/phy/mediatek/phy-mtk-tphy.c | 43 +++++++++-------------------- 1 file changed, 13 insertions(+), 30 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index 33000b38fd1b..3259210f08a1 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -280,6 +280,8 @@ #define RG_CDR_BIRLTD0_GEN3_MSK GENMASK(4, 0) #define RG_CDR_BIRLTD0_GEN3_VAL(x) (0x1f & (x)) +#define TPHY_CLKS_CNT 2 + enum mtk_phy_version { MTK_PHY_V1 = 1, MTK_PHY_V2, @@ -318,8 +320,7 @@ struct mtk_phy_instance { struct u2phy_banks u2_banks; struct u3phy_banks u3_banks; }; - struct clk *ref_clk; /* reference clock of (digital) phy */ - struct clk *da_ref_clk; /* reference clock of analog phy */ + struct clk_bulk_data clks[TPHY_CLKS_CNT]; u32 index; u8 type; int eye_src; @@ -974,18 +975,9 @@ static int mtk_phy_init(struct phy *phy) struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent); int ret; - ret = clk_prepare_enable(instance->ref_clk); - if (ret) { - dev_err(tphy->dev, "failed to enable ref_clk\n"); + ret = clk_bulk_prepare_enable(TPHY_CLKS_CNT, instance->clks); + if (ret) return ret; - } - - ret = clk_prepare_enable(instance->da_ref_clk); - if (ret) { - dev_err(tphy->dev, "failed to enable da_ref\n"); - clk_disable_unprepare(instance->ref_clk); - return ret; - } switch (instance->type) { case PHY_TYPE_USB2: @@ -1003,8 +995,7 @@ static int mtk_phy_init(struct phy *phy) break; default: dev_err(tphy->dev, "incompatible PHY type\n"); - clk_disable_unprepare(instance->ref_clk); - clk_disable_unprepare(instance->da_ref_clk); + clk_bulk_disable_unprepare(TPHY_CLKS_CNT, instance->clks); return -EINVAL; } @@ -1047,8 +1038,7 @@ static int mtk_phy_exit(struct phy *phy) if (instance->type == PHY_TYPE_USB2) u2_phy_instance_exit(tphy, instance); - clk_disable_unprepare(instance->ref_clk); - clk_disable_unprepare(instance->da_ref_clk); + clk_bulk_disable_unprepare(TPHY_CLKS_CNT, instance->clks); return 0; } @@ -1211,6 +1201,7 @@ static int mtk_tphy_probe(struct platform_device *pdev) port = 0; for_each_child_of_node(np, child_np) { struct mtk_phy_instance *instance; + struct clk_bulk_data *clks; struct phy *phy; instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL); @@ -1247,20 +1238,12 @@ static int mtk_tphy_probe(struct platform_device *pdev) phy_set_drvdata(phy, instance); port++; - instance->ref_clk = devm_clk_get_optional(&phy->dev, "ref"); - if (IS_ERR(instance->ref_clk)) { - dev_err(dev, "failed to get ref_clk(id-%d)\n", port); - retval = PTR_ERR(instance->ref_clk); + clks = instance->clks; + clks[0].id = "ref"; /* digital (& analog) clock */ + clks[1].id = "da_ref"; /* analog clock */ + retval = devm_clk_bulk_get_optional(&phy->dev, TPHY_CLKS_CNT, clks); + if (retval) goto put_child; - } - - instance->da_ref_clk = - devm_clk_get_optional(&phy->dev, "da_ref"); - if (IS_ERR(instance->da_ref_clk)) { - dev_err(dev, "failed to get da_ref_clk(id-%d)\n", port); - retval = PTR_ERR(instance->da_ref_clk); - goto put_child; - } } provider = devm_of_phy_provider_register(dev, mtk_phy_xlate); From patchwork Wed Jul 28 07:58:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405153 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8059C432BE for ; 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Wed, 28 Jul 2021 15:59:04 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 3/9] phy: phy-mtk-tphy: support type switch by pericfg Date: Wed, 28 Jul 2021 15:58:25 +0800 Message-ID: <1627459111-2907-3-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_010543_503305_64FD3031 X-CRM114-Status: GOOD ( 20.29 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add support type switch between USB3, PCIe, SATA and SGMII by pericfg register, this is used to take the place of efuse or jumper. Signed-off-by: Chunfeng Yun --- drivers/phy/mediatek/phy-mtk-tphy.c | 84 ++++++++++++++++++++++++++++- 1 file changed, 82 insertions(+), 2 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index 3259210f08a1..a6502058a1a5 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -10,11 +10,13 @@ #include #include #include +#include #include #include #include #include #include +#include /* version V1 sub-banks offset base address */ /* banks shared by multiple phys */ @@ -280,6 +282,14 @@ #define RG_CDR_BIRLTD0_GEN3_MSK GENMASK(4, 0) #define RG_CDR_BIRLTD0_GEN3_VAL(x) (0x1f & (x)) +/* PHY switch between pcie/usb3/sgmii/sata */ +#define USB_PHY_SWITCH_CTRL 0x0 +#define RG_PHY_SW_TYPE GENMASK(3, 0) +#define RG_PHY_SW_PCIE 0x0 +#define RG_PHY_SW_USB3 0x1 +#define RG_PHY_SW_SGMII 0x2 +#define RG_PHY_SW_SATA 0x3 + #define TPHY_CLKS_CNT 2 enum mtk_phy_version { @@ -322,7 +332,10 @@ struct mtk_phy_instance { }; struct clk_bulk_data clks[TPHY_CLKS_CNT]; u32 index; - u8 type; + u32 type; + struct regmap *type_sw; + u32 type_sw_reg; + u32 type_sw_index; int eye_src; int eye_vrt; int eye_term; @@ -969,6 +982,64 @@ static void u2_phy_props_set(struct mtk_tphy *tphy, } } +/* type switch for usb3/pcie/sgmii/sata */ +static int phy_type_syscon_get(struct mtk_phy_instance *instance, + struct device_node *dn) +{ + struct of_phandle_args args; + int ret; + + /* type switch function is optional */ + if (!of_property_read_bool(dn, "mediatek,syscon-type")) + return 0; + + ret = of_parse_phandle_with_fixed_args(dn, "mediatek,syscon-type", + 2, 0, &args); + if (ret) + return ret; + + instance->type_sw_reg = args.args[0]; + instance->type_sw_index = args.args[1] & 0x3; /* <=3 */ + instance->type_sw = syscon_node_to_regmap(args.np); + of_node_put(args.np); + dev_info(&instance->phy->dev, "type_sw - reg %#x, index %d\n", + instance->type_sw_reg, instance->type_sw_index); + + return PTR_ERR_OR_ZERO(instance->type_sw); +} + +static int phy_type_set(struct mtk_phy_instance *instance) +{ + int type; + u32 mask; + + if (!instance->type_sw) + return 0; + + switch (instance->type) { + case PHY_TYPE_USB3: + type = RG_PHY_SW_USB3; + break; + case PHY_TYPE_PCIE: + type = RG_PHY_SW_PCIE; + break; + case PHY_TYPE_SGMII: + type = RG_PHY_SW_SGMII; + break; + case PHY_TYPE_SATA: + type = RG_PHY_SW_SATA; + break; + case PHY_TYPE_USB2: + default: + return 0; + } + + mask = RG_PHY_SW_TYPE << (instance->type_sw_index * BITS_PER_BYTE); + regmap_update_bits(instance->type_sw, instance->type_sw_reg, mask, type); + + return 0; +} + static int mtk_phy_init(struct phy *phy) { struct mtk_phy_instance *instance = phy_get_drvdata(phy); @@ -993,6 +1064,9 @@ static int mtk_phy_init(struct phy *phy) case PHY_TYPE_SATA: sata_phy_instance_init(tphy, instance); break; + case PHY_TYPE_SGMII: + /* nothing to do, only used to set type */ + break; default: dev_err(tphy->dev, "incompatible PHY type\n"); clk_bulk_disable_unprepare(TPHY_CLKS_CNT, instance->clks); @@ -1081,7 +1155,8 @@ static struct phy *mtk_phy_xlate(struct device *dev, if (!(instance->type == PHY_TYPE_USB2 || instance->type == PHY_TYPE_USB3 || instance->type == PHY_TYPE_PCIE || - instance->type == PHY_TYPE_SATA)) { + instance->type == PHY_TYPE_SATA || + instance->type == PHY_TYPE_SGMII)) { dev_err(dev, "unsupported device type: %d\n", instance->type); return ERR_PTR(-EINVAL); } @@ -1100,6 +1175,7 @@ static struct phy *mtk_phy_xlate(struct device *dev, } phy_parse_property(tphy, instance); + phy_type_set(instance); return instance->phy; } @@ -1244,6 +1320,10 @@ static int mtk_tphy_probe(struct platform_device *pdev) retval = devm_clk_bulk_get_optional(&phy->dev, TPHY_CLKS_CNT, clks); if (retval) goto put_child; + + retval = phy_type_syscon_get(instance, child_np); + if (retval) + goto put_child; } provider = devm_of_phy_provider_register(dev, mtk_phy_xlate); From patchwork Wed Jul 28 07:58:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405093 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8B50C432BE for ; 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Wed, 28 Jul 2021 15:59:05 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 4/9] phy: phy-mtk-tphy: print error log using child device Date: Wed, 28 Jul 2021 15:58:26 +0800 Message-ID: <1627459111-2907-4-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_005912_106567_500F598B X-CRM114-Status: GOOD ( 12.89 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Print error log using child devices instead of parent device. Signed-off-by: Chunfeng Yun --- drivers/phy/mediatek/phy-mtk-tphy.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index a6502058a1a5..9d4b34298137 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -1278,6 +1278,7 @@ static int mtk_tphy_probe(struct platform_device *pdev) for_each_child_of_node(np, child_np) { struct mtk_phy_instance *instance; struct clk_bulk_data *clks; + struct device *subdev; struct phy *phy; instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL); @@ -1295,16 +1296,17 @@ static int mtk_tphy_probe(struct platform_device *pdev) goto put_child; } + subdev = &phy->dev; retval = of_address_to_resource(child_np, 0, &res); if (retval) { - dev_err(dev, "failed to get address resource(id-%d)\n", + dev_err(subdev, "failed to get address resource(id-%d)\n", port); goto put_child; } - instance->port_base = devm_ioremap_resource(&phy->dev, &res); + instance->port_base = devm_ioremap_resource(subdev, &res); if (IS_ERR(instance->port_base)) { - dev_err(dev, "failed to remap phy regs\n"); + dev_err(subdev, "failed to remap phy regs\n"); retval = PTR_ERR(instance->port_base); goto put_child; } @@ -1317,7 +1319,7 @@ static int mtk_tphy_probe(struct platform_device *pdev) clks = instance->clks; clks[0].id = "ref"; /* digital (& analog) clock */ clks[1].id = "da_ref"; /* analog clock */ - retval = devm_clk_bulk_get_optional(&phy->dev, TPHY_CLKS_CNT, clks); + retval = devm_clk_bulk_get_optional(subdev, TPHY_CLKS_CNT, clks); if (retval) goto put_child; From patchwork Wed Jul 28 07:58:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405091 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F91EC432BE for ; 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Wed, 28 Jul 2021 15:59:06 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 5/9] phy: phy-mtk-tphy: remove error log of ioremap failure Date: Wed, 28 Jul 2021 15:58:27 +0800 Message-ID: <1627459111-2907-5-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_005911_269480_E7A4D6B5 X-CRM114-Status: GOOD ( 11.63 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org devm_ioremap_resource() will print log if error happens. Signed-off-by: Chunfeng Yun --- drivers/phy/mediatek/phy-mtk-tphy.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index 9d4b34298137..cdcef865fe9e 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -1306,7 +1306,6 @@ static int mtk_tphy_probe(struct platform_device *pdev) instance->port_base = devm_ioremap_resource(subdev, &res); if (IS_ERR(instance->port_base)) { - dev_err(subdev, "failed to remap phy regs\n"); retval = PTR_ERR(instance->port_base); goto put_child; } From patchwork Wed Jul 28 07:58:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405095 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9647BC4320A for ; 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Wed, 28 Jul 2021 15:59:07 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 6/9] phy: phy-mtk-ufs: use clock bulk to get clocks Date: Wed, 28 Jul 2021 15:58:28 +0800 Message-ID: <1627459111-2907-6-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_005918_354296_227E2017 X-CRM114-Status: GOOD ( 14.26 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Use clock bulk helpers to get/enable/disable clocks Signed-off-by: Chunfeng Yun --- drivers/phy/mediatek/phy-mtk-ufs.c | 44 ++++++++---------------------- 1 file changed, 11 insertions(+), 33 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-ufs.c b/drivers/phy/mediatek/phy-mtk-ufs.c index 769b00b038d8..a6af06941203 100644 --- a/drivers/phy/mediatek/phy-mtk-ufs.c +++ b/drivers/phy/mediatek/phy-mtk-ufs.c @@ -31,11 +31,12 @@ #define FRC_CDR_ISO_EN BIT(19) #define CDR_ISO_EN BIT(20) +#define UFSPHY_CLKS_CNT 2 + struct ufs_mtk_phy { struct device *dev; void __iomem *mmio; - struct clk *mp_clk; - struct clk *unipro_clk; + struct clk_bulk_data clks[UFSPHY_CLKS_CNT]; }; static inline u32 mphy_readl(struct ufs_mtk_phy *phy, u32 reg) @@ -74,20 +75,11 @@ static struct ufs_mtk_phy *get_ufs_mtk_phy(struct phy *generic_phy) static int ufs_mtk_phy_clk_init(struct ufs_mtk_phy *phy) { struct device *dev = phy->dev; + struct clk_bulk_data *clks = phy->clks; - phy->unipro_clk = devm_clk_get(dev, "unipro"); - if (IS_ERR(phy->unipro_clk)) { - dev_err(dev, "failed to get clock: unipro"); - return PTR_ERR(phy->unipro_clk); - } - - phy->mp_clk = devm_clk_get(dev, "mp"); - if (IS_ERR(phy->mp_clk)) { - dev_err(dev, "failed to get clock: mp"); - return PTR_ERR(phy->mp_clk); - } - - return 0; + clks[0].id = "unipro"; + clks[1].id = "mp"; + return devm_clk_bulk_get(dev, UFSPHY_CLKS_CNT, clks); } static void ufs_mtk_phy_set_active(struct ufs_mtk_phy *phy) @@ -150,26 +142,13 @@ static int ufs_mtk_phy_power_on(struct phy *generic_phy) struct ufs_mtk_phy *phy = get_ufs_mtk_phy(generic_phy); int ret; - ret = clk_prepare_enable(phy->unipro_clk); - if (ret) { - dev_err(phy->dev, "unipro_clk enable failed %d\n", ret); - goto out; - } - - ret = clk_prepare_enable(phy->mp_clk); - if (ret) { - dev_err(phy->dev, "mp_clk enable failed %d\n", ret); - goto out_unprepare_unipro_clk; - } + ret = clk_bulk_prepare_enable(UFSPHY_CLKS_CNT, phy->clks); + if (ret) + return ret; ufs_mtk_phy_set_active(phy); return 0; - -out_unprepare_unipro_clk: - clk_disable_unprepare(phy->unipro_clk); -out: - return ret; } static int ufs_mtk_phy_power_off(struct phy *generic_phy) @@ -178,8 +157,7 @@ static int ufs_mtk_phy_power_off(struct phy *generic_phy) ufs_mtk_phy_set_deep_hibern(phy); - clk_disable_unprepare(phy->unipro_clk); - clk_disable_unprepare(phy->mp_clk); + clk_bulk_disable_unprepare(UFSPHY_CLKS_CNT, phy->clks); return 0; } From patchwork Wed Jul 28 07:58:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405097 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 760C4C4338F for ; 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Wed, 28 Jul 2021 15:59:08 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 7/9] phy: phy-mtk-hdmi: convert to devm_platform_ioremap_resource Date: Wed, 28 Jul 2021 15:58:29 +0800 Message-ID: <1627459111-2907-7-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_005918_359173_F00E7070 X-CRM114-Status: GOOD ( 12.81 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Use devm_platform_ioremap_resource to simplify code Signed-off-by: Chunfeng Yun Acked-by: Chun-Kuang Hu --- drivers/phy/mediatek/phy-mtk-hdmi.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c index 8ad8f717ef43..5fb4217fb8e0 100644 --- a/drivers/phy/mediatek/phy-mtk-hdmi.c +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c @@ -100,7 +100,6 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_hdmi_phy *hdmi_phy; - struct resource *mem; struct clk *ref_clk; const char *ref_clk_name; struct clk_init_data clk_init = { @@ -116,11 +115,9 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev) if (!hdmi_phy) return -ENOMEM; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - hdmi_phy->regs = devm_ioremap_resource(dev, mem); - if (IS_ERR(hdmi_phy->regs)) { + hdmi_phy->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(hdmi_phy->regs)) return PTR_ERR(hdmi_phy->regs); - } ref_clk = devm_clk_get(dev, "pll_ref"); if (IS_ERR(ref_clk)) { From patchwork Wed Jul 28 07:58:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405139 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F282C4338F for ; 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Wed, 28 Jul 2021 15:59:09 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 8/9] phy: phy-mtk-mipi-dsi: remove dummy assignment of error number Date: Wed, 28 Jul 2021 15:58:30 +0800 Message-ID: <1627459111-2907-8-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_005920_467252_673324FF X-CRM114-Status: GOOD ( 11.03 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Return the error number directly without assignment Signed-off-by: Chunfeng Yun Acked-by: Chun-Kuang Hu --- drivers/phy/mediatek/phy-mtk-mipi-dsi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c index 01cf31633019..61c942fbf4a1 100644 --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c @@ -203,10 +203,8 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) phy_set_drvdata(phy, mipi_tx); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - if (IS_ERR(phy_provider)) { - ret = PTR_ERR(phy_provider); - return ret; - } + if (IS_ERR(phy_provider)) + return PTR_ERR(phy_provider); mipi_tx->dev = dev; From patchwork Wed Jul 28 07:58:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12405155 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1375EC4338F for ; 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Wed, 28 Jul 2021 15:59:10 +0800 From: Chunfeng Yun To: Vinod Koul , Rob Herring , Chun-Kuang Hu CC: Chunfeng Yun , Kishon Vijay Abraham I , Philipp Zabel , Matthias Brugger , , , , , , , Eddie Hung Subject: [PATCH 9/9] phy: phy-mtk-mipi-dsi: convert to devm_platform_ioremap_resource Date: Wed, 28 Jul 2021 15:58:31 +0800 Message-ID: <1627459111-2907-9-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1627459111-2907-1-git-send-email-chunfeng.yun@mediatek.com> References: <1627459111-2907-1-git-send-email-chunfeng.yun@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-20210728_010919_387601_6B195D6A X-CRM114-Status: GOOD ( 13.27 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Use devm_platform_ioremap_resource to simplify code Signed-off-by: Chunfeng Yun Acked-by: Chun-Kuang Hu --- drivers/phy/mediatek/phy-mtk-mipi-dsi.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c index 61c942fbf4a1..28ad9403c441 100644 --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c @@ -130,7 +130,6 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_mipi_tx *mipi_tx; - struct resource *mem; const char *ref_clk_name; struct clk *ref_clk; struct clk_init_data clk_init = { @@ -148,11 +147,9 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) mipi_tx->driver_data = of_device_get_match_data(dev); - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mipi_tx->regs = devm_ioremap_resource(dev, mem); - if (IS_ERR(mipi_tx->regs)) { + mipi_tx->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(mipi_tx->regs)) return PTR_ERR(mipi_tx->regs); - } ref_clk = devm_clk_get(dev, NULL); if (IS_ERR(ref_clk)) {