From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0B5BC169C4 for ; Fri, 8 Feb 2019 17:35:47 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 45AC4218AC for ; Fri, 8 Feb 2019 17:35:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="BoDAizv6"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="jK6lihc0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 45AC4218AC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=oW8LLkVyssgv6CZ6lJo/O/z6YDKkX2X0RhOUxDz6bsg=; b=BoDAizv6L/ripR HIvrW0kRig2+76FHs4nqgOBVte3c/N80UFe0M5kN3d2zottMht17Aw7uhAzdEss3Be+ZNsmgcotP9 S8ITM1W5OKw12Isbp4iDsXZOo1RCgU2VUiyharwj0iX+Mrp32OQ81u9G1LfD7kXGsABaNgoW0fQLw 9YwVrAaIThfZh8BH7MASil01uvlnai3YptSJ6LgOl9pAOhpcMUZGBX5SQpw3vA7qpZGMUv9J+/8TG UOUKaoTyGoB3vnpuJ2VQ1QCsmW1vllK5P5KazMcKtW3OokZJ6Min/hlEVUqFe+qnY1ZzIFgwa2bdx GiMXgxkc9OAyWlcBXKOw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gsA3v-0007XV-Hc; Fri, 08 Feb 2019 17:35:39 +0000 Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gsA3Q-0006Pp-OI for linux-arm-kernel@lists.infradead.org; Fri, 08 Feb 2019 17:35:10 +0000 Received: by mail-wm1-x344.google.com with SMTP id q21so4289749wmc.5 for ; Fri, 08 Feb 2019 09:35:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=trIQtIIzr10xL3xuZKgdBn1lKngoT5UlbTmlmF/bYWM=; b=jK6lihc0lcB6CCtG3Atc5UHFLX51hOdgzSCYQY+LlP8DjI92r/C4HfCEXzGZw7ApUy /m5ylF9WC12+DXwieSncGB5oPNfs5QDO665KMq7yLnLEOSLHsR7PMvxL7Ij2nyrt7Rhn nVMeIrlJvEt+KlW8x6Lly4PgA/73exunrNW9SE2MUCcNWi7WC4DanB10x40JRXfVzlyc SZNpEv6lZkEqQd+cVSGiYwVZqvN0nhNnsNQ327D2zLnoByB3dlO3S70ZPbuBouQzw5TM oKcwiHErAtTRi7nQis75YIzNjSxrjTlbSePEfOTOhlWtdLVuS9BUQ+OWaF9dnQc/HpMS pCng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=trIQtIIzr10xL3xuZKgdBn1lKngoT5UlbTmlmF/bYWM=; b=r9y8YmwkLsgsHGeXNzDeIdLe3uYMkoXfNXKFWgxg32WpOkocENAapuH8SShnef1eln MZ8O0EV+PTI4N7TxQf9zqE+NLBDG1SCzP+0yLH26wezoXakdAvqJjOWWj+HaoLLBVohe kmM0iuLjCF3WObMsoWcgyAs7X3parhMijjYqcnXGeBo+P6tV9aTddQN3PdUgzI4MUmTs K9I+dX1Mo9SuBgbFuqNbKpbYIPcsjr/guhkdZzLbGr+2+c8Q2z97iFMZA7OGoQLKVP/7 EEmRzCt8YwsMX6A5toDKk8NeUH9hXZZbXrrm6EpsUWZslcEhbNFOdAGqzkhz8ptDt7Uo MBYQ== X-Gm-Message-State: AHQUAuZ0HASycU9Do9MXFv7yWJxzme++NsBrnLcWk/lWeVFV/CsXKHVi cDN7gYrModkLZ0p8PVVRTF5NsQ== X-Google-Smtp-Source: AHgI3IZUg8zAxrwFhONR5KyJ4tPz1KiiEVYKk4FjR/xv7aUmSG5Nm9MS0CBf6n+HIVnFo0X24biUdA== X-Received: by 2002:adf:f78e:: with SMTP id q14mr4877484wrp.227.1549647307382; Fri, 08 Feb 2019 09:35:07 -0800 (PST) Received: from debian-brgl.home ([2a01:cb1d:af:5b00:6d6c:8493:1ab5:dad7]) by smtp.gmail.com with ESMTPSA id p17sm354714wrv.59.2019.02.08.09.35.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 08 Feb 2019 09:35:06 -0800 (PST) From: Bartosz Golaszewski To: Sekhar Nori , Kevin Hilman , Daniel Lezcano , Rob Herring , Mark Rutland , Thomas Gleixner , David Lechner Subject: [PATCH v2 02/33] ARM: davinci: aintc: use irq domain Date: Fri, 8 Feb 2019 18:34:27 +0100 Message-Id: <20190208173458.4801-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190208173458.4801-1-brgl@bgdev.pl> References: <20190208173458.4801-1-brgl@bgdev.pl> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190208_093508_822143_83BD0DA2 X-CRM114-Status: GOOD ( 15.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Bartosz Golaszewski We need to create an irq domain if we want to select SPARSE_IRQ. The cp-intc driver already supports it, but aintc doesn't. Use the helpers provided by the generic irq chip abstraction. Signed-off-by: Bartosz Golaszewski --- arch/arm/mach-davinci/irq.c | 35 +++++++++++++++++++++++++++-------- 1 file changed, 27 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c index 952dc126c390..07d8ef8037e4 100644 --- a/arch/arm/mach-davinci/irq.c +++ b/arch/arm/mach-davinci/irq.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -40,23 +41,23 @@ #define IRQ_INTPRI0_REG_OFFSET 0x0030 #define IRQ_INTPRI7_REG_OFFSET 0x004C +static struct irq_domain *davinci_irq_domain; + static inline void davinci_irq_writel(unsigned long value, int offset) { __raw_writel(value, davinci_intc_base + offset); } static __init void -davinci_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num) +davinci_irq_setup_gc(void __iomem *base, + unsigned int irq_start, unsigned int num) { struct irq_chip_generic *gc; struct irq_chip_type *ct; - gc = irq_alloc_generic_chip("AINTC", 1, irq_start, base, handle_edge_irq); - if (!gc) { - pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n", - __func__, irq_start); - return; - } + gc = irq_get_domain_generic_chip(davinci_irq_domain, irq_start); + gc->reg_base = base; + gc->irq_base = irq_start; ct = gc->chip_types; ct->chip.irq_ack = irq_gc_ack_set_bit; @@ -74,6 +75,7 @@ void __init davinci_irq_init(void) { unsigned i, j; const u8 *davinci_def_priorities = davinci_soc_info.intc_irq_prios; + int rv, irq_base; davinci_intc_type = DAVINCI_INTC_TYPE_AINTC; davinci_intc_base = ioremap(davinci_soc_info.intc_base, SZ_4K); @@ -110,8 +112,25 @@ void __init davinci_irq_init(void) davinci_irq_writel(pri, i); } + irq_base = irq_alloc_descs(-1, 0, davinci_soc_info.intc_irq_num, 0); + if (WARN_ON(irq_base < 0)) + return; + + davinci_irq_domain = irq_domain_add_legacy(NULL, + davinci_soc_info.intc_irq_num, + irq_base, 0, &irq_domain_simple_ops, + NULL); + if (WARN_ON(!davinci_irq_domain)) + return; + + rv = irq_alloc_domain_generic_chips(davinci_irq_domain, 32, 1, + "AINTC", handle_edge_irq, + IRQ_NOREQUEST | IRQ_NOPROBE, 0, 0); + if (WARN_ON(rv)) + return; + for (i = 0, j = 0; i < davinci_soc_info.intc_irq_num; i += 32, j += 0x04) - davinci_alloc_gc(davinci_intc_base + j, i, 32); + davinci_irq_setup_gc(davinci_intc_base + j, irq_base + i, 32); irq_set_handler(IRQ_TINT1_TINT34, handle_level_irq); } -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel