From patchwork Thu Jun 15 09:32:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13280965 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 3C6ECEB64DC for ; Thu, 15 Jun 2023 09:35:04 +0000 (UTC) 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:References:In-Reply-To: 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: List-Owner; bh=x77k/gtwZ3ix9rfN13qOU8AzRWNxJRHpmm2t5bXUQ5U=; b=K9Ip2qEp67s8gF B1RvMFn1KLDCj6Ui/1YE3jDvOQR96+oV47X3zUnWv3tc6dbgWVOZN/8ITH2JTzHMtEMH+0VeGiCug Tr1x66JOgOkV4ka09C++kcCPStKbgATIDj/I4Mv5t206i4ohXjppwuzkx/J4zkDdBu3NCMl3pqkoa b2kU21z7AjDqssLvkauulVUeQvX2SdFXWYYFdH4BfQSfxdZPS6WOBnMTogUPfdkfLBG04cP1fBcNv 3NSU1tXhP7lhf3gfPCEAbuJcz1aTYhk3r/d3kpEM2tPyyq5XlVY6TPjdbCw2AlVRcvJBjSuCw7XOc xrd4oFUWq2po2BuJzNhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q9jNM-00EJvf-0j; Thu, 15 Jun 2023 09:34:44 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q9jND-00EJpk-2j for linux-arm-kernel@lists.infradead.org; Thu, 15 Jun 2023 09:34:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1686821676; x=1718357676; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=A1dmJ+pItK/gMLz16UT2MdMrZ6M2X5XJ/pGGBcR7j2U=; b=UXEkEny3XncVQH4PPP+QBSmA/YJvQL54xBASibRWihR0waz19EcNn4RO KK7h51WhXxfsAzhuRC31K269HuXWNg6ls2MQTogR/Au/ZTHU7tF2dWLf4 zPDXbh6oVQRZ7tfltc0XSLchT0SNuUx7KbvXW32+rNoHr1chlg2iqiZ7/ UxW5YXRLovROyPTZ055Y5ljjRlKMNBls7IIpSaKoH6LhtY2/cLEggFHJV 0ZKVVSb2uDoE0JLBEajRov635LKY+bk9Ufc9x2CC3mOWPS6WwDdsUMQG9 h3HaGl0cOZ4UrKrm7JiCyuDiV15W7ZEva3By9nLYEUwuk7uTYfZUXFGCd w==; X-IronPort-AV: E=Sophos;i="6.00,244,1681196400"; d="scan'208";a="216166862" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 15 Jun 2023 02:34:31 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 15 Jun 2023 02:34:20 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Thu, 15 Jun 2023 02:34:17 -0700 From: Claudiu Beznea To: , , , , , , CC: , , , Claudiu Beznea Subject: [PATCH 07/11] clk: at91: clk-utmi: add support for parent_hw Date: Thu, 15 Jun 2023 12:32:23 +0300 Message-ID: <20230615093227.576102-8-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230615093227.576102-1-claudiu.beznea@microchip.com> References: <20230615093227.576102-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230615_023435_989755_52FCA0F6 X-CRM114-Status: GOOD ( 17.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for parent_hw in utmi clock drivers. With this parent-child relation is described with pointers rather than strings making registration a bit faster. All the SoC based drivers that rely on clk-utmi were adapted to the new API change. The switch itself for SoCs will be done in subsequent patches. Signed-off-by: Claudiu Beznea Reviewed-by: Maxime Ripard --- drivers/clk/at91/at91sam9g45.c | 2 +- drivers/clk/at91/at91sam9rl.c | 2 +- drivers/clk/at91/at91sam9x5.c | 2 +- drivers/clk/at91/clk-utmi.c | 24 +++++++++++++++++------- drivers/clk/at91/dt-compat.c | 2 +- drivers/clk/at91/pmc.h | 5 +++-- drivers/clk/at91/sama5d2.c | 2 +- drivers/clk/at91/sama5d3.c | 2 +- drivers/clk/at91/sama5d4.c | 2 +- drivers/clk/at91/sama7g5.c | 2 +- 10 files changed, 28 insertions(+), 17 deletions(-) diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c index ec2f26c3a80a..f45a7b80f7d8 100644 --- a/drivers/clk/at91/at91sam9g45.c +++ b/drivers/clk/at91/at91sam9g45.c @@ -145,7 +145,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) at91sam9g45_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index 051b2eeb9276..969f809e7d65 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -109,7 +109,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) at91sam9rl_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index e1be2c4c54be..3b801d12fac0 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -193,7 +193,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, at91sam9x5_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c index a22c10d9a1b9..40c84f5af5e8 100644 --- a/drivers/clk/at91/clk-utmi.c +++ b/drivers/clk/at91/clk-utmi.c @@ -144,21 +144,30 @@ static struct clk_hw * __init at91_clk_register_utmi_internal(struct regmap *regmap_pmc, struct regmap *regmap_sfr, const char *name, const char *parent_name, + struct clk_hw *parent_hw, const struct clk_ops *ops, unsigned long flags) { struct clk_utmi *utmi; struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; + if (!(parent_name || parent_hw)) + return ERR_PTR(-EINVAL); + utmi = kzalloc(sizeof(*utmi), GFP_KERNEL); if (!utmi) return ERR_PTR(-ENOMEM); init.name = name; init.ops = ops; - init.parent_names = parent_name ? &parent_name : NULL; - init.num_parents = parent_name ? 1 : 0; + if (parent_hw) { + init.parent_hws = parent_hw ? (const struct clk_hw **)&parent_hw : NULL; + init.num_parents = parent_hw ? 1 : 0; + } else { + init.parent_names = parent_name ? &parent_name : NULL; + init.num_parents = parent_name ? 1 : 0; + } init.flags = flags; utmi->hw.init = &init; @@ -177,10 +186,11 @@ at91_clk_register_utmi_internal(struct regmap *regmap_pmc, struct clk_hw * __init at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, - const char *name, const char *parent_name) + const char *name, const char *parent_name, + struct clk_hw *parent_hw) { return at91_clk_register_utmi_internal(regmap_pmc, regmap_sfr, name, - parent_name, &utmi_ops, CLK_SET_RATE_GATE); + parent_name, parent_hw, &utmi_ops, CLK_SET_RATE_GATE); } static int clk_utmi_sama7g5_prepare(struct clk_hw *hw) @@ -279,8 +289,8 @@ static const struct clk_ops sama7g5_utmi_ops = { struct clk_hw * __init at91_clk_sama7g5_register_utmi(struct regmap *regmap_pmc, const char *name, - const char *parent_name) + const char *parent_name, struct clk_hw *parent_hw) { return at91_clk_register_utmi_internal(regmap_pmc, NULL, name, - parent_name, &sama7g5_utmi_ops, 0); + parent_name, parent_hw, &sama7g5_utmi_ops, 0); } diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c index e5fcf2e0d235..a32dc2111b90 100644 --- a/drivers/clk/at91/dt-compat.c +++ b/drivers/clk/at91/dt-compat.c @@ -1055,7 +1055,7 @@ static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np) regmap_sfr = NULL; } - hw = at91_clk_register_utmi(regmap_pmc, regmap_sfr, name, parent_name); + hw = at91_clk_register_utmi(regmap_pmc, regmap_sfr, name, parent_name, NULL); if (IS_ERR(hw)) return; diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 101e005a9550..8e32be004843 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -269,10 +269,11 @@ at91rm9200_clk_register_usb(struct regmap *regmap, const char *name, struct clk_hw * __init at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, - const char *name, const char *parent_name); + const char *name, const char *parent_name, + struct clk_hw *parent_hw); struct clk_hw * __init at91_clk_sama7g5_register_utmi(struct regmap *regmap, const char *name, - const char *parent_name); + const char *parent_name, struct clk_hw *parent_hw); #endif /* __PMC_H_ */ diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index c5df06190e1c..c16594fce90c 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -249,7 +249,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) if (IS_ERR(regmap_sfr)) regmap_sfr = NULL; - hw = at91_clk_register_utmi(regmap, regmap_sfr, "utmick", "mainck"); + hw = at91_clk_register_utmi(regmap, regmap_sfr, "utmick", "mainck", NULL); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c index 15fa180a3f58..522ce6031446 100644 --- a/drivers/clk/at91/sama5d3.c +++ b/drivers/clk/at91/sama5d3.c @@ -172,7 +172,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) sama5d3_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index 2440a34d1d67..160c0bddb6a3 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -187,7 +187,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) sama5d4_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c index b606d642a22b..42f2f61cc6d1 100644 --- a/drivers/clk/at91/sama7g5.c +++ b/drivers/clk/at91/sama7g5.c @@ -1035,7 +1035,7 @@ static void __init sama7g5_pmc_setup(struct device_node *np) sama7g5_pmc->chws[sama7g5_mckx[i].eid] = hw; } - hw = at91_clk_sama7g5_register_utmi(regmap, "utmick", "main_xtal"); + hw = at91_clk_sama7g5_register_utmi(regmap, "utmick", "main_xtal", NULL); if (IS_ERR(hw)) goto err_free;