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Signed-off-by: Mike Looijmans --- drivers/clk/clk-lmk04832.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/clk-lmk04832.c b/drivers/clk/clk-lmk04832.c index e22ac93e0c2f..188085e7a30b 100644 --- a/drivers/clk/clk-lmk04832.c +++ b/drivers/clk/clk-lmk04832.c @@ -1297,6 +1297,7 @@ static int lmk04832_register_clkout(struct lmk04832 *lmk, const int num) sprintf(dclk_name, "lmk-dclk%02d_%02d", num, num + 1); init.name = dclk_name; parent_names[0] = clk_hw_get_name(&lmk->vco); + init.parent_names = parent_names; init.ops = &lmk04832_dclk_ops; init.flags = CLK_SET_RATE_PARENT; init.num_parents = 1; From patchwork Wed Aug 2 06:40:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Looijmans X-Patchwork-Id: 129642 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9f41:0:b0:3e4:2afc:c1 with SMTP id v1csp258236vqx; Tue, 1 Aug 2023 23:55:45 -0700 (PDT) X-Google-Smtp-Source: APBJJlFOg7hVWBKfr8hJl/YHTm6ABaihRHWa8LCsoeN7RMSfatMVTjbgZ4pk8qfm6nRLGRnYKjCH X-Received: by 2002:a17:907:7893:b0:992:3897:1985 with SMTP id ku19-20020a170907789300b0099238971985mr4185992ejc.43.1690959345355; Tue, 01 Aug 2023 23:55:45 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1690959345; cv=pass; d=google.com; s=arc-20160816; b=lHPVLkf9uwgSV7F2ic4ohTSIhmusf0nC8mbZVyQ9jyYjNCmxnRZ58ccKJWyfAF9Jx3 LNEXihKKC3fHyzq2wQJoAwUduMjzj+V3NIDPGs+Z/OLu5pll9g4k2a+MTWCRargQ7mIr rxGa4qvhEfR4ilLFBR57hgGtdGZTnUWxuBuybpiPHOD8c2RLiAqKUKZmNhUM3pHJfYFY 0LKSMlJo1SVDDFlgCMuD//R5jEbj+3wn1nXBoIzXg8DWa1RP7AMnzeWcK5jM0/KLPKY1 fvkfuEhtCrwzsBj5twywn6sK+9xdwWhjqclDToeGh0u61XV8ir+e4Ii+fHSEra8lxsKX h3Jw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :authentication-results-original:dkim-signature; bh=Co7+Dz3AuUEofB16svfU2XU+AoW/iZrolpp4aKKuxdI=; fh=9wM2ILLYJsicpuMiiEYGZ5BB2Z1TmKfjD8+/kO/JhyM=; b=C3XlI+gPgDsLQ6gxMxdOra7nHMNk0Mz5s1e3dI2bQrEWeTjKV03lTqAJ+a2CZCZGR2 nSkeG36oRl7ee+oo1YFj/Mju9nV8rMbQ4gznUMVMqVkOjCs1LhHG4WhCvSLXFaeaXU+O dswy23+Sums30pQISfc5crKk0VgAHv5udN1u6/N7RW7SfHFHXvrbSs9qr+mbrDkmgtcY tajOXVujS9NSvYrnsj0pllFjVk0u/2/iTL0IfeCksFfxhsUIQowF10d+D/swGKrMhjwj y1m5vMoBuCsUQFj47mLdGVi4k3Qs1yui25sIQt2nU8HPBcmAHPbYtUtZ2JYI4rlWZUgj d57A== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@topic.nl header.s=selector2 header.b="rVsX4zS/"; arc=pass (i=1 spf=pass spfdomain=topicproducts.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. 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Wed, 2 Aug 2023 06:41:21 +0000 Received: from EUR03-AM7-obe.outbound.protection.outlook.com (104.47.51.241) by westeu11-emailsignatures-cloud.codetwo.com with CodeTwo SMTP Server (TLS12) via SMTP; Wed, 02 Aug 2023 06:41:21 +0000 Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=topic.nl; Received: from DB8PR04MB6523.eurprd04.prod.outlook.com (2603:10a6:10:10f::26) by GV1PR04MB9216.eurprd04.prod.outlook.com (2603:10a6:150:2b::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6631.45; Wed, 2 Aug 2023 06:41:16 +0000 Received: from DB8PR04MB6523.eurprd04.prod.outlook.com ([fe80::6b6e:1525:72e9:d02f]) by DB8PR04MB6523.eurprd04.prod.outlook.com ([fe80::6b6e:1525:72e9:d02f%4]) with mapi id 15.20.6631.045; Wed, 2 Aug 2023 06:41:16 +0000 From: Mike Looijmans To: linux-clk@vger.kernel.org CC: linux-kernel@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, Mike Looijmans Subject: [PATCH 2/3] clk: lmk04832: Don't disable vco clock on probe fail Date: Wed, 2 Aug 2023 08:40:59 +0200 Message-ID: <20230802064100.15793-2-mike.looijmans@topic.nl> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230802064100.15793-1-mike.looijmans@topic.nl> References: <20230802064100.15793-1-mike.looijmans@topic.nl> <1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.37b21939-e4ca-460d-8656-25f90de74f6b@emailsignatures365.codetwo.com> X-ClientProxiedBy: AM0PR03CA0079.eurprd03.prod.outlook.com (2603:10a6:208:69::20) To DB8PR04MB6523.eurprd04.prod.outlook.com (2603:10a6:10:10f::26) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: DB8PR04MB6523:EE_|GV1PR04MB9216:EE_|AM4PEPF00025F96:EE_|AS8PR04MB8964:EE_ X-MS-Office365-Filtering-Correlation-Id: 7271b36f-8f5c-46c9-b58b-08db93237c0c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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X-OriginatorOrg: topic.nl X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Aug 2023 06:41:21.7246 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7271b36f-8f5c-46c9-b58b-08db93237c0c X-MS-Exchange-CrossTenant-Id: 449607a5-3517-482d-8d16-41dd868cbda3 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=449607a5-3517-482d-8d16-41dd868cbda3;Ip=[20.93.157.195];Helo=[westeu11-emailsignatures-cloud.codetwo.com] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00025F96.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8964 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773099386572030332 X-GMAIL-MSGID: 1773099386572030332 The probe() method never calls clk_prepare_enable(), so it should not call clk_disable_unprepare() for the vco.clk in the error path. Fixes a "lmk-vco already disabled" BUG when probe fails. Signed-off-by: Mike Looijmans --- drivers/clk/clk-lmk04832.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/clk/clk-lmk04832.c b/drivers/clk/clk-lmk04832.c index 188085e7a30b..dd1f0c59ee71 100644 --- a/drivers/clk/clk-lmk04832.c +++ b/drivers/clk/clk-lmk04832.c @@ -1505,21 +1505,21 @@ static int lmk04832_probe(struct spi_device *spi) ret = clk_set_rate(lmk->vco.clk, lmk->vco_rate); if (ret) { dev_err(lmk->dev, "failed to set VCO rate\n"); - goto err_disable_vco; + goto err_disable_oscin; } } ret = lmk04832_register_sclk(lmk); if (ret) { dev_err(lmk->dev, "failed to init SYNC/SYSREF clock path\n"); - goto err_disable_vco; + goto err_disable_oscin; } for (i = 0; i < info->num_channels; i++) { ret = lmk04832_register_clkout(lmk, i); if (ret) { dev_err(lmk->dev, "failed to register clk %d\n", i); - goto err_disable_vco; + goto err_disable_oscin; } } @@ -1528,16 +1528,13 @@ static int lmk04832_probe(struct spi_device *spi) lmk->clk_data); if (ret) { dev_err(lmk->dev, "failed to add provider (%d)\n", ret); - goto err_disable_vco; + goto err_disable_oscin; } spi_set_drvdata(spi, lmk); return 0; -err_disable_vco: - clk_disable_unprepare(lmk->vco.clk); - err_disable_oscin: clk_disable_unprepare(lmk->oscin); From patchwork Wed Aug 2 06:41:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Looijmans X-Patchwork-Id: 129647 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9f41:0:b0:3e4:2afc:c1 with SMTP id v1csp262929vqx; Wed, 2 Aug 2023 00:05:35 -0700 (PDT) X-Google-Smtp-Source: APBJJlEUO6Xsehn8VHqLc6qMEo80ELEYBlSvrKb70OdrF5P63CyD9cmuYPSzOK2dS2K922+aa0Tr X-Received: by 2002:a17:902:f690:b0:1b8:50a9:6874 with SMTP id l16-20020a170902f69000b001b850a96874mr15229627plg.5.1690959935224; Wed, 02 Aug 2023 00:05:35 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1690959935; cv=pass; d=google.com; s=arc-20160816; b=WUyfZaklTf9JMK4Sg4WJ+O3WhP6kvekMv/wLdRAytUstT2uOq1RU/VO3zP1DHzNVvM g19IReto4jYf9eeg9oEKTFIrRD0LTc3AhYjUGfwaw8EG20ElaTEY8OonX0Q88PS3hlud 8OlePI20qYBcNzGEt8S+hxb61/sNpTWfRPhUij89uqnLPZEZ4VHKj+7TTSnL4uidVeuF ck6LEYDMWfMmOQ4b3fSSXC7Xrs6pw8JJPtFsyyxjsoLLIMd40A6G/XzLoVz0S8GXVGkA ensrYvYvRlANpR9FaOai1fSHIgWel9FuuFjuIBp3+fnYQ3aW+6fhDctrdOxYOAWE7Bdf ooGw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :authentication-results-original:dkim-signature; bh=mOHL7oHYwKU8owEfqCpUIKV/RuI3UysW2nFFyV0QiCc=; fh=9wM2ILLYJsicpuMiiEYGZ5BB2Z1TmKfjD8+/kO/JhyM=; b=c9x3nzrfM7HressA4ygF/k2GXG7uQ9SgX6i3EWyepHKnccrOu877+/xSsK2Me03T5r mdcKw87wR22+jj86ZmnOzzRGzWClUJHSknGg4KJcmEJbfMwZtM+2e5yXuixgCg1YJdR9 lYBWMht8A+CjZcwnNJAN2K2RkHpMS2uMOxHfcLeh/PlIHjNpd1C/uc28qJmcPAvPnPtL RPU6hUHqxfLcUCWXBEWUYjAcSASZZxUGg+Y+7xwKTxrhZHBauqHAMgHfA2AD4TVtH8kx IV6ltnoSToehSAktphSKNO0Fds2FcU6iZ1CBuBSVAA6uLkl877Lt3xPTJYivN1RetVEz nb7Q== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@topic.nl header.s=selector2 header.b=gesgNSBo; arc=pass (i=1 spf=pass spfdomain=topicproducts.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. 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X-OriginatorOrg: topic.nl X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Aug 2023 06:41:21.8340 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 971c9e8b-6220-48fc-2a87-08db93237c22 X-MS-Exchange-CrossTenant-Id: 449607a5-3517-482d-8d16-41dd868cbda3 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=449607a5-3517-482d-8d16-41dd868cbda3;Ip=[20.93.157.195];Helo=[westeu11-emailsignatures-cloud.codetwo.com] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00025F96.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8420 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773100005232020459 X-GMAIL-MSGID: 1773100005232020459 The PLL1_PD pin (a.k.a. STATUS_LD1) can be used as SPI readback pin. Make this possible. Signed-off-by: Mike Looijmans --- drivers/clk/clk-lmk04832.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/drivers/clk/clk-lmk04832.c b/drivers/clk/clk-lmk04832.c index dd1f0c59ee71..99b271c1278a 100644 --- a/drivers/clk/clk-lmk04832.c +++ b/drivers/clk/clk-lmk04832.c @@ -134,6 +134,11 @@ /* 0x14b - 0x152 Holdover */ /* 0x153 - 0x15f PLL1 Configuration */ +#define LMK04832_REG_PLL1_LD 0x15f +#define LMK04832_BIT_PLL1_LD_MUX GENMASK(7, 3) +#define LMK04832_VAL_PLL1_LD_MUX_SPI_RDBK 0x07 +#define LMK04832_BIT_PLL1_LD_TYPE GENMASK(2, 0) +#define LMK04832_VAL_PLL1_LD_TYPE_OUT_PP 0x03 /* 0x160 - 0x16e PLL2 Configuration */ #define LMK04832_REG_PLL2_R_MSB 0x160 @@ -206,6 +211,7 @@ enum lmk04832_rdbk_type { RDBK_CLKIN_SEL0, RDBK_CLKIN_SEL1, RDBK_RESET, + RDBK_PLL1_LD, }; struct lmk_dclk { @@ -1346,6 +1352,10 @@ static int lmk04832_set_spi_rdbk(const struct lmk04832 *lmk, const int rdbk_pin) { int reg; int ret; + int val = FIELD_PREP(LMK04832_BIT_CLKIN_SEL_MUX, + LMK04832_VAL_CLKIN_SEL_MUX_SPI_RDBK) | + FIELD_PREP(LMK04832_BIT_CLKIN_SEL_TYPE, + LMK04832_VAL_CLKIN_SEL_TYPE_OUT); dev_info(lmk->dev, "setting up 4-wire mode\n"); ret = regmap_write(lmk->regmap, LMK04832_REG_RST3W, @@ -1363,15 +1373,18 @@ static int lmk04832_set_spi_rdbk(const struct lmk04832 *lmk, const int rdbk_pin) case RDBK_RESET: reg = LMK04832_REG_CLKIN_RST; break; + case RDBK_PLL1_LD: + reg = LMK04832_REG_PLL1_LD; + val = FIELD_PREP(LMK04832_BIT_PLL1_LD_MUX, + LMK04832_VAL_PLL1_LD_MUX_SPI_RDBK) | + FIELD_PREP(LMK04832_BIT_PLL1_LD_TYPE, + LMK04832_VAL_PLL1_LD_TYPE_OUT_PP); + break; default: return -EINVAL; } - return regmap_write(lmk->regmap, reg, - FIELD_PREP(LMK04832_BIT_CLKIN_SEL_MUX, - LMK04832_VAL_CLKIN_SEL_MUX_SPI_RDBK) | - FIELD_PREP(LMK04832_BIT_CLKIN_SEL_TYPE, - LMK04832_VAL_CLKIN_SEL_TYPE_OUT)); + return regmap_write(lmk->regmap, reg, val); } static int lmk04832_probe(struct spi_device *spi)