From patchwork Thu Jun 15 09:32:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13280963 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 EC3F8EB64DB for ; Thu, 15 Jun 2023 09:34:58 +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=mmdXuLV3Sdg2J2cxPe6jL4SElVRCpxTdE2Gf/v2wSFQ=; b=ABF1hy5reQzcTo 1O2Enxtrn2vmm5kk51+lB4vddx5uGGGL92fBUiOIVF+ghTcSxMiwbVFwyiNK1AN9ZElOVZHOPihPO d/6gFtPWmWOU8iGm+vee+XvgLyEbTN3FjrlJfw0MdnslNsU92pmOkh+ysjTsXSxHKCmij31pCMbQc ub5ekOYWQXgTmrN830QJD/infZbvBiaDyhSoReLdLOupYwyEzSgDgvouThDaygmhhW2vrt0AndaBQ 2vcgyTQjH97I4QTp2yE1XbwMqnXrCTDwFKvb7X4/QHFcnDzSizKZlbltZpvd6WWBjd5fiPgGX62ZD pHl6QxyIrI/vbngWUg7w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q9jNF-00EJr9-1p; Thu, 15 Jun 2023 09:34:37 +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 1q9jNB-00EJnt-0q for linux-arm-kernel@lists.infradead.org; Thu, 15 Jun 2023 09:34:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1686821673; x=1718357673; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=hLNRzz+RVfaPfA3VTibLI4v2I7mcxMycYFslneaYUi8=; b=az+gnJ6oUz14KUda6SdCNWh4wJ+DwYdPJQTY9y/V2lZTNxEPv2pfPKb3 bLanbmPgL8Rzm9CKxYC1O/IyqJKXcnxNxIof2+s9DpRE7+Uuy3uz1y567 PAiVcjjmD3ksdo8yEWWFNqE1I584MljQCrQq01lMWTrYy4rSRjmmhXHtt 1KPkp1kdKE0j3d8nhIpPYA/UDbz0F0KOzrsrDs6bXa35UsfDL6upfmnY9 CEmIGAIUcjgIiSHkMWYu4fSuV4A7w67Xfzp9dMXgRItglTnNdlcVh0+ZR bfItNgzBgANqof7xdiHFVzYmbkU5T/vBU9LmQ+WRq5KCh4r8kND8S8204 A==; X-IronPort-AV: E=Sophos;i="6.00,244,1681196400"; d="scan'208";a="216166847" 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 02:34:28 -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 02:34:16 -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 02:34:11 -0700 From: Claudiu Beznea To: , , , , , , CC: , , , Claudiu Beznea Subject: [PATCH 06/11] clk: at91: clk-system: add support for parent_hw Date: Thu, 15 Jun 2023 12:32:22 +0300 Message-ID: <20230615093227.576102-7-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_023433_367122_3F576D62 X-CRM114-Status: GOOD ( 17.41 ) 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 system 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-system 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/at91rm9200.c | 2 +- drivers/clk/at91/at91sam9260.c | 2 +- drivers/clk/at91/at91sam9g45.c | 2 +- drivers/clk/at91/at91sam9n12.c | 2 +- drivers/clk/at91/at91sam9rl.c | 2 +- drivers/clk/at91/at91sam9x5.c | 4 ++-- drivers/clk/at91/clk-system.c | 12 ++++++++---- drivers/clk/at91/dt-compat.c | 4 ++-- drivers/clk/at91/pmc.h | 3 ++- drivers/clk/at91/sam9x60.c | 2 +- drivers/clk/at91/sama5d2.c | 2 +- drivers/clk/at91/sama5d3.c | 2 +- drivers/clk/at91/sama5d4.c | 2 +- drivers/clk/at91/sama7g5.c | 2 +- 14 files changed, 24 insertions(+), 19 deletions(-) diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c index 2dd69628b7ba..3f19e737ae4d 100644 --- a/drivers/clk/at91/at91rm9200.c +++ b/drivers/clk/at91/at91rm9200.c @@ -182,7 +182,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91rm9200_systemck); i++) { hw = at91_clk_register_system(regmap, at91rm9200_systemck[i].n, - at91rm9200_systemck[i].p, + at91rm9200_systemck[i].p, NULL, at91rm9200_systemck[i].id, 0); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index 7d292d0c2bfc..0799a13060ea 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -459,7 +459,7 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, for (i = 0; i < data->num_sck; i++) { hw = at91_clk_register_system(regmap, data->sck[i].n, - data->sck[i].p, + data->sck[i].p, NULL, data->sck[i].id, 0); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c index b49415952510..ec2f26c3a80a 100644 --- a/drivers/clk/at91/at91sam9g45.c +++ b/drivers/clk/at91/at91sam9g45.c @@ -202,7 +202,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { hw = at91_clk_register_system(regmap, at91sam9g45_systemck[i].n, - at91sam9g45_systemck[i].p, + at91sam9g45_systemck[i].p, NULL, at91sam9g45_systemck[i].id, at91sam9g45_systemck[i].flags); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c index 63151cd0d3b2..751786184ae2 100644 --- a/drivers/clk/at91/at91sam9n12.c +++ b/drivers/clk/at91/at91sam9n12.c @@ -227,7 +227,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9n12_systemck); i++) { hw = at91_clk_register_system(regmap, at91sam9n12_systemck[i].n, - at91sam9n12_systemck[i].p, + at91sam9n12_systemck[i].p, NULL, at91sam9n12_systemck[i].id, at91sam9n12_systemck[i].flags); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index 858987757b87..051b2eeb9276 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -159,7 +159,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9rl_systemck); i++) { hw = at91_clk_register_system(regmap, at91sam9rl_systemck[i].n, - at91sam9rl_systemck[i].p, + at91sam9rl_systemck[i].p, NULL, at91sam9rl_systemck[i].id, 0); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index 6a971b34f7dd..e1be2c4c54be 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -252,7 +252,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, for (i = 0; i < ARRAY_SIZE(at91sam9x5_systemck); i++) { hw = at91_clk_register_system(regmap, at91sam9x5_systemck[i].n, - at91sam9x5_systemck[i].p, + at91sam9x5_systemck[i].p, NULL, at91sam9x5_systemck[i].id, at91sam9x5_systemck[i].flags); if (IS_ERR(hw)) @@ -263,7 +263,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, if (has_lcdck) { hw = at91_clk_register_system(regmap, "lcdck", "masterck_div", - 3, 0); + NULL, 3, 0); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c index 10193650429e..90eed39d0785 100644 --- a/drivers/clk/at91/clk-system.c +++ b/drivers/clk/at91/clk-system.c @@ -105,14 +105,15 @@ static const struct clk_ops system_ops = { struct clk_hw * __init at91_clk_register_system(struct regmap *regmap, const char *name, - const char *parent_name, u8 id, unsigned long flags) + const char *parent_name, struct clk_hw *parent_hw, u8 id, + unsigned long flags) { struct clk_system *sys; struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; - if (!parent_name || id > SYSTEM_MAX_ID) + if (!(parent_name || parent_hw) || id > SYSTEM_MAX_ID) return ERR_PTR(-EINVAL); sys = kzalloc(sizeof(*sys), GFP_KERNEL); @@ -121,7 +122,10 @@ at91_clk_register_system(struct regmap *regmap, const char *name, init.name = name; init.ops = &system_ops; - init.parent_names = &parent_name; + if (parent_hw) + init.parent_hws = (const struct clk_hw **)&parent_hw; + else + init.parent_names = &parent_name; init.num_parents = 1; init.flags = CLK_SET_RATE_PARENT | flags; diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c index 96ce2287e13a..e5fcf2e0d235 100644 --- a/drivers/clk/at91/dt-compat.c +++ b/drivers/clk/at91/dt-compat.c @@ -908,8 +908,8 @@ static void __init of_at91rm9200_clk_sys_setup(struct device_node *np) if (!strcmp(sysclknp->name, "ddrck")) flags = CLK_IS_CRITICAL; - hw = at91_clk_register_system(regmap, name, parent_name, id, - flags); + hw = at91_clk_register_system(regmap, name, parent_name, NULL, + id, flags); if (IS_ERR(hw)) continue; diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 658bbf574af9..101e005a9550 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -251,7 +251,8 @@ at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name, struct clk_hw * __init at91_clk_register_system(struct regmap *regmap, const char *name, - const char *parent_name, u8 id, unsigned long flags); + const char *parent_name, struct clk_hw *parent_hw, + u8 id, unsigned long flags); struct clk_hw * __init at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name, diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index 369123dc009c..505827013b46 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -324,7 +324,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(sam9x60_systemck); i++) { hw = at91_clk_register_system(regmap, sam9x60_systemck[i].n, - sam9x60_systemck[i].p, + sam9x60_systemck[i].p, NULL, sam9x60_systemck[i].id, sam9x60_systemck[i].flags); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index 8eda5f95d142..c5df06190e1c 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -311,7 +311,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(sama5d2_systemck); i++) { hw = at91_clk_register_system(regmap, sama5d2_systemck[i].n, - sama5d2_systemck[i].p, + sama5d2_systemck[i].p, NULL, sama5d2_systemck[i].id, sama5d2_systemck[i].flags); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c index 68a540cf8eda..15fa180a3f58 100644 --- a/drivers/clk/at91/sama5d3.c +++ b/drivers/clk/at91/sama5d3.c @@ -231,7 +231,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(sama5d3_systemck); i++) { hw = at91_clk_register_system(regmap, sama5d3_systemck[i].n, - sama5d3_systemck[i].p, + sama5d3_systemck[i].p, NULL, sama5d3_systemck[i].id, sama5d3_systemck[i].flags); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index 9145fa184388..2440a34d1d67 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -254,7 +254,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(sama5d4_systemck); i++) { hw = at91_clk_register_system(regmap, sama5d4_systemck[i].n, - sama5d4_systemck[i].p, + sama5d4_systemck[i].p, NULL, sama5d4_systemck[i].id, sama5d4_systemck[i].flags); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c index 22942af8dce4..b606d642a22b 100644 --- a/drivers/clk/at91/sama7g5.c +++ b/drivers/clk/at91/sama7g5.c @@ -1067,7 +1067,7 @@ static void __init sama7g5_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) { hw = at91_clk_register_system(regmap, sama7g5_systemck[i].n, - sama7g5_systemck[i].p, + sama7g5_systemck[i].p, NULL, sama7g5_systemck[i].id, 0); if (IS_ERR(hw)) goto err_free;