From patchwork Thu Jun 15 09:32:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13280958 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 40D24EB64D9 for ; Thu, 15 Jun 2023 09:34:23 +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=eP0LehJDlcDy58oyJpp1zdbRyO70TDzuYlctg8L/E8s=; b=lXpN9eTwMIysLZ QQJxqkzxQ8HFVkA+8FyBV+5x2ZaK4IVGmA5xiefZ7qHOpSWW8wRKrNtBO3A6aBvMLazHEwiB3/a5l JbZrhXcSCCGsKDhYQkr0fmhCwBHUKGgn87gYTRpi6JLDndbeGPmqBQSBaVMVsY2zgT1IJSRwXAOct KtyoetEJLIIqV4WR7ZMGaGipD4XpcvyJ/w3XMdhRkSdWwx5Um/yf/KKK8VwpGrdwUTklfRmJGrTEJ Bty00P4C6PMQ4N8vByaz0zupVwQngowxptp1fCDthU+rO+vJ7YQVsXzUQydkQjo1OrJA92KmIngxn 8qmgXKrOEWT1DY1oYF5A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q9jMk-00EJaM-0U; Thu, 15 Jun 2023 09:34:06 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q9jMh-00EJYe-0K for linux-arm-kernel@lists.infradead.org; Thu, 15 Jun 2023 09:34:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1686821644; x=1718357644; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OZEwf00C1ErmmH4mYSARTCAo0oEN6THlqsuneJ/xols=; b=GZ0mpkcNKUh+P/Hs6ew06j6WbEU4tbzbP2ANVtfeZ3EjzVAgbzGxLO+J pEBrxobLItAs2gYZeiehSmNaq5mndLsbvJIs4j2R7VHtMSjqg015iluJf IhOSk8+2zZISX7rTySMiESNw/M52Cuj4zPEkcxKdUj0M7agQndUcmgPmh NCQNLa9XdtzBDLig/ExVPUcrcDSj88tKU1TZbVZlb0eZYip/de20EiWxK /sNJ8qpAv4mogwhqJK31D5//kUgiIJ95lZBAXditN4shI5GvkSVyZaT10 EwknzBCGqrabw1MN8dF34lfLzq3TC7L3hMPvE/TO7GqLhrnreIh75PuBR A==; X-IronPort-AV: E=Sophos;i="6.00,244,1681196400"; d="scan'208";a="218626802" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 15 Jun 2023 02:34:03 -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 02:33:59 -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 02:33:54 -0700 From: Claudiu Beznea To: , , , , , , CC: , , , Claudiu Beznea Subject: [PATCH 02/11] clk: at91: clk-generated: add support for parent_hw Date: Thu, 15 Jun 2023 12:32:18 +0300 Message-ID: <20230615093227.576102-3-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_023403_168572_A7EB3761 X-CRM114-Status: GOOD ( 14.11 ) 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 generic 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-generated 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/clk-generated.c | 11 +++++++++-- drivers/clk/at91/dt-compat.c | 2 +- drivers/clk/at91/pmc.h | 3 ++- drivers/clk/at91/sam9x60.c | 2 +- drivers/clk/at91/sama5d2.c | 2 +- drivers/clk/at91/sama7g5.c | 2 +- 6 files changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c index 943ea67bf135..4b4edeecc889 100644 --- a/drivers/clk/at91/clk-generated.c +++ b/drivers/clk/at91/clk-generated.c @@ -319,22 +319,29 @@ struct clk_hw * __init at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, const struct clk_pcr_layout *layout, const char *name, const char **parent_names, + struct clk_hw **parent_hws, u32 *mux_table, u8 num_parents, u8 id, const struct clk_range *range, int chg_pid) { struct clk_generated *gck; - struct clk_init_data init; + struct clk_init_data init = {}; struct clk_hw *hw; int ret; + if (!(parent_names || parent_hws)) + return ERR_PTR(-ENOMEM); + gck = kzalloc(sizeof(*gck), GFP_KERNEL); if (!gck) return ERR_PTR(-ENOMEM); init.name = name; init.ops = &generated_ops; - init.parent_names = parent_names; + if (parent_hws) + init.parent_hws = (const struct clk_hw **)parent_hws; + else + init.parent_names = parent_names; init.num_parents = num_parents; init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE; if (chg_pid >= 0) diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c index ecb0bebb8a7d..e5a56aaff96d 100644 --- a/drivers/clk/at91/dt-compat.c +++ b/drivers/clk/at91/dt-compat.c @@ -171,7 +171,7 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np) hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, &dt_pcr_layout, name, - parent_names, NULL, + parent_names, NULL, NULL, num_parents, id, &range, chg_pid); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 487e44deeca0..e947c78a82d0 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -144,7 +144,8 @@ struct clk_hw * __init at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, const struct clk_pcr_layout *layout, const char *name, const char **parent_names, - u32 *mux_table, u8 num_parents, u8 id, + struct clk_hw **parent_hws, u32 *mux_table, + u8 num_parents, u8 id, const struct clk_range *range, int chg_pid); struct clk_hw * __init diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index e2f40f167c08..dcc8f8142180 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -351,7 +351,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np) hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, &sam9x60_pcr_layout, sam9x60_gck[i].n, - parent_names, NULL, 6, + parent_names, NULL, NULL, 6, sam9x60_gck[i].id, &sam9x60_gck[i].r, INT_MIN); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index 2ee8f10d3b03..18695c9c9beb 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -358,7 +358,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, &sama5d2_pcr_layout, sama5d2_gck[i].n, - parent_names, NULL, 6, + parent_names, NULL, NULL, 6, sama5d2_gck[i].id, &sama5d2_gck[i].r, sama5d2_gck[i].chg_pid); diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c index 42dc74dbfc28..e754c127b2b8 100644 --- a/drivers/clk/at91/sama7g5.c +++ b/drivers/clk/at91/sama7g5.c @@ -1111,7 +1111,7 @@ static void __init sama7g5_pmc_setup(struct device_node *np) hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, &sama7g5_pcr_layout, sama7g5_gck[i].n, - parent_names, mux_table, + parent_names, NULL, mux_table, num_parents, sama7g5_gck[i].id, &sama7g5_gck[i].r,