From nobody Sat Sep 21 09:26:19 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12F9CC4332F for ; Tue, 27 Dec 2022 12:10:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231937AbiL0MKh (ORCPT ); Tue, 27 Dec 2022 07:10:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231445AbiL0MJa (ORCPT ); Tue, 27 Dec 2022 07:09:30 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF486B0D; Tue, 27 Dec 2022 04:09:26 -0800 (PST) X-UUID: 365b76a695714dc7bfa639c82fdfec1c-20221227 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=ncu7dzvmjAzaCKHKvpc5QfiiB7neOIm6BCctvHMioBc=; b=OndYrEFfSC786cjK8eiNsW3Xn5ZTl379eCS2snWG2/2h3R7bDW1auS5arqABx0crFtAnG8EfOwe56qoEtK4upXwaDUFEYDhpUyrwVLXH9GQeeeMuXaa//VNl2Ast/XUBcYGvHgNXBWdNlpAq3maO3M7UEoqAvGrjzOkzlWkJeNQ=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.14,REQID:20c61863-3ec1-4e08-b884-322621da0ac9,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:dcaaed0,CLOUDID:d73c18f4-ff42-4fb0-b929-626456a83c14,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 365b76a695714dc7bfa639c82fdfec1c-20221227 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1353592235; Tue, 27 Dec 2022 20:09:18 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 27 Dec 2022 20:09:18 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 27 Dec 2022 20:09:18 +0800 From: Roger Lu To: Matthias Brugger , Enric Balletbo Serra , Kevin Hilman , Nicolas Boichat CC: Fan Chen , Roger Lu , Jia-wei Chang , , , , , , Subject: [PATCH v2 08/13] soc: mediatek: mtk-svs: use svs get efuse common function Date: Tue, 27 Dec 2022 20:09:09 +0800 Message-ID: <20221227120914.11346-9-roger.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20221227120914.11346-1-roger.lu@mediatek.com> References: <20221227120914.11346-1-roger.lu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" SVS might need to read both svs efuse and thermal efuse on the probe flow. Therefore, add a common efuse read function to remove the superfluous codes. Signed-off-by: Roger Lu --- drivers/soc/mediatek/mtk-svs.c | 69 ++++++++++++---------------------- 1 file changed, 24 insertions(+), 45 deletions(-) diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c index 9578baf3d9a7..70f87715a084 100644 --- a/drivers/soc/mediatek/mtk-svs.c +++ b/drivers/soc/mediatek/mtk-svs.c @@ -1701,26 +1701,28 @@ static int svs_bank_resource_setup(struct svs_platf= orm *svsp) return 0; } =20 -static int svs_thermal_efuse_get_data(struct svs_platform *svsp) +static int svs_get_efuse_data(struct svs_platform *svsp, + const char *nvmem_cell_name, + u32 **svsp_efuse, size_t *svsp_efuse_max) { struct nvmem_cell *cell; =20 - /* Thermal efuse parsing */ - cell =3D nvmem_cell_get(svsp->dev, "t-calibration-data"); + cell =3D nvmem_cell_get(svsp->dev, nvmem_cell_name); if (IS_ERR_OR_NULL(cell)) { - dev_err(svsp->dev, "no \"t-calibration-data\"? %ld\n", PTR_ERR(cell)); + dev_err(svsp->dev, "no \"%s\"? %ld\n", + nvmem_cell_name, PTR_ERR(cell)); return PTR_ERR(cell); } =20 - svsp->tefuse =3D nvmem_cell_read(cell, &svsp->tefuse_max); - if (IS_ERR(svsp->tefuse)) { - dev_err(svsp->dev, "cannot read thermal efuse: %ld\n", - PTR_ERR(svsp->tefuse)); + *svsp_efuse =3D nvmem_cell_read(cell, svsp_efuse_max); + if (IS_ERR(*svsp_efuse)) { + dev_err(svsp->dev, "cannot read \"%s\" efuse: %ld\n", + nvmem_cell_name, PTR_ERR(*svsp_efuse)); nvmem_cell_put(cell); - return PTR_ERR(svsp->tefuse); + return PTR_ERR(*svsp_efuse); } =20 - svsp->tefuse_max /=3D sizeof(u32); + *svsp_efuse_max /=3D sizeof(u32); nvmem_cell_put(cell); =20 return 0; @@ -1768,7 +1770,8 @@ static bool svs_mt8192_efuse_parsing(struct svs_platf= orm *svsp) svsb->vmax +=3D svsb->dvt_fixed; } =20 - ret =3D svs_thermal_efuse_get_data(svsp); + ret =3D svs_get_efuse_data(svsp, "t-calibration-data", + &svsp->tefuse, &svsp->tefuse_max); if (ret) return false; =20 @@ -1873,7 +1876,8 @@ static bool svs_mt8183_efuse_parsing(struct svs_platf= orm *svsp) } } =20 - ret =3D svs_thermal_efuse_get_data(svsp); + ret =3D svs_get_efuse_data(svsp, "t-calibration-data", + &svsp->tefuse, &svsp->tefuse_max); if (ret) return false; =20 @@ -1975,32 +1979,6 @@ static bool svs_mt8183_efuse_parsing(struct svs_plat= form *svsp) return true; } =20 -static bool svs_is_efuse_data_correct(struct svs_platform *svsp) -{ - struct nvmem_cell *cell; - - /* Get svs efuse by nvmem */ - cell =3D nvmem_cell_get(svsp->dev, "svs-calibration-data"); - if (IS_ERR(cell)) { - dev_err(svsp->dev, "no \"svs-calibration-data\"? %ld\n", - PTR_ERR(cell)); - return false; - } - - svsp->efuse =3D nvmem_cell_read(cell, &svsp->efuse_max); - if (IS_ERR(svsp->efuse)) { - dev_err(svsp->dev, "cannot read svs efuse: %ld\n", - PTR_ERR(svsp->efuse)); - nvmem_cell_put(cell); - return false; - } - - svsp->efuse_max /=3D sizeof(u32); - nvmem_cell_put(cell); - - return true; -} - static struct device *svs_get_subsys_device(struct svs_platform *svsp, const char *node_name) { @@ -2335,8 +2313,9 @@ static int svs_probe(struct platform_device *pdev) if (ret) return ret; =20 - if (!svs_is_efuse_data_correct(svsp)) { - dev_notice(svsp->dev, "efuse data isn't correct\n"); + ret =3D svs_get_efuse_data(svsp, "svs-calibration-data", + &svsp->efuse, &svsp->efuse_max); + if (ret) { ret =3D -EPERM; goto svs_probe_free_efuse; } @@ -2344,13 +2323,13 @@ static int svs_probe(struct platform_device *pdev) if (!svsp_data->efuse_parsing(svsp)) { dev_err(svsp->dev, "efuse data parsing failed\n"); ret =3D -EPERM; - goto svs_probe_free_resource; + goto svs_probe_free_tefuse; } =20 ret =3D svs_bank_resource_setup(svsp); if (ret) { dev_err(svsp->dev, "svs bank resource setup fail: %d\n", ret); - goto svs_probe_free_resource; + goto svs_probe_free_tefuse; } =20 svsp->main_clk =3D devm_clk_get(svsp->dev, "main"); @@ -2358,13 +2337,13 @@ static int svs_probe(struct platform_device *pdev) dev_err(svsp->dev, "failed to get clock: %ld\n", PTR_ERR(svsp->main_clk)); ret =3D PTR_ERR(svsp->main_clk); - goto svs_probe_free_resource; + goto svs_probe_free_tefuse; } =20 ret =3D clk_prepare_enable(svsp->main_clk); if (ret) { dev_err(svsp->dev, "cannot enable main clk: %d\n", ret); - goto svs_probe_free_resource; + goto svs_probe_free_tefuse; } =20 svsp->base =3D of_iomap(svsp->dev->of_node, 0); @@ -2408,7 +2387,7 @@ static int svs_probe(struct platform_device *pdev) svs_probe_clk_disable: clk_disable_unprepare(svsp->main_clk); =20 -svs_probe_free_resource: +svs_probe_free_tefuse: if (!IS_ERR_OR_NULL(svsp->tefuse)) kfree(svsp->tefuse); =20 --=20 2.18.0