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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 C04FBC433E1 for ; Thu, 28 May 2020 03:58:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A0DAF2088E for ; Thu, 28 May 2020 03:58:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="odjjYQXn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727101AbgE1D6w (ORCPT ); Wed, 27 May 2020 23:58:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727064AbgE1D6v (ORCPT ); Wed, 27 May 2020 23:58:51 -0400 Received: from ssl.serverraum.org (ssl.serverraum.org [IPv6:2a01:4f8:151:8464::1:2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A774FC05BD1E; Wed, 27 May 2020 20:58:51 -0700 (PDT) Received: from apollo.fritz.box (unknown [IPv6:2a02:810c:c200:2e91:6257:18ff:fec4:ca34]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id EC2B722FB6; Thu, 28 May 2020 05:58:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1590638329; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7np4wDKRiMQQf5ldFNBXoJfzP9Qd8PYygwxPlZayMKg=; b=odjjYQXnrcVRFGFx4O7YE7yw16uE0WITygvNDoDZrCIvIv/hGEfyFrjsAYGtlGSKN8QOle pdiy0lHG6MBBIvK0qzfhj+hjR9K5RILdln2Y2cwoGfZWCREou0llDAydB8CnOW8MpmfpuQ HVA218WaPwhdZH+n/uNdYGvfikN4nTk= From: Michael Walle To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Cc: Linus Walleij , Bartosz Golaszewski , Mark Brown , Pierre-Louis Bossart , Michael Walle Subject: [PATCH v5 1/2] gpiolib: Introduce gpiochip_irqchip_add_domain() Date: Thu, 28 May 2020 05:58:40 +0200 Message-Id: <20200528035841.16800-2-michael@walle.cc> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200528035841.16800-1-michael@walle.cc> References: <20200528035841.16800-1-michael@walle.cc> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The function connects an IRQ domain to a gpiochip and reuses gpiochip_to_irq() which is provided by gpiolib. gpiochip_irqchip_* and regmap_irq partially provide the same functionality. This function will help to connect just the minimal functionality of the gpiochip_irqchip which is needed to work together with regmap-irq. Signed-off-by: Michael Walle --- drivers/gpio/gpiolib.c | 20 ++++++++++++++++++++ include/linux/gpio/driver.h | 3 +++ 2 files changed, 23 insertions(+) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index eaa0e209188d..d07f763c9c0b 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2756,6 +2756,26 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gc, } EXPORT_SYMBOL_GPL(gpiochip_irqchip_add_key); +/** + * gpiochip_irqchip_add_domain() - adds an irqdomain to a gpiochip + * @gc: the gpiochip to add the irqchip to + * @domain: the irqdomain to add to the gpiochip + * + * This function adds an IRQ domain to the gpiochip. + */ +int gpiochip_irqchip_add_domain(struct gpio_chip *gc, + struct irq_domain *domain) +{ + if (!domain) + return -EINVAL; + + gc->to_irq = gpiochip_to_irq; + gc->irq.domain = domain; + + return 0; +} +EXPORT_SYMBOL_GPL(gpiochip_irqchip_add_domain); + #else /* CONFIG_GPIOLIB_IRQCHIP */ static inline int gpiochip_add_irqchip(struct gpio_chip *gc, diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 8c41ae41b6bb..ee30065b6f61 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -599,6 +599,9 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gc, bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc, unsigned int offset); +int gpiochip_irqchip_add_domain(struct gpio_chip *gc, + struct irq_domain *domain); + #ifdef CONFIG_LOCKDEP /* -- 2.20.1