From patchwork Wed Dec 23 22:25:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Ricard X-Patchwork-Id: 560753 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 1F979140BC3 for ; Thu, 24 Dec 2015 09:25:49 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=dz5DnQut; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932956AbbLWWZq (ORCPT ); Wed, 23 Dec 2015 17:25:46 -0500 Received: from mail-wm0-f46.google.com ([74.125.82.46]:38501 "EHLO mail-wm0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757141AbbLWWZn (ORCPT ); Wed, 23 Dec 2015 17:25:43 -0500 Received: by mail-wm0-f46.google.com with SMTP id l126so166027440wml.1; Wed, 23 Dec 2015 14:25:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=lgEzoB1QUWYzSawetU+bN0n/CBnjBhvU4BTkzDk1SDc=; b=dz5DnQutVNC4veugmjp3WspSWrlfZ0QlVRjk6NirPRCAEcm6mOLfWBCOXllGZFHKvf bnm8tS/3UZeFn17/eDWwk8fBdl+xDRnsKUgBc58rFv4psWshw4qe9No+DQOD0EYgK5vO TRt10pw1uICnAdtONxLjAY/Fk5I+lWuIiES4Y48CDjcUp5mKQm3WYlcMQbT2hJkKFiOR Cpsv4uzMv17WuymWcBGO9q0yhF/Zc3HNj//aYY8iUWJSXOP7Q34fe7cAMQuu1xYdFDrh YdIIQU4rcyp41aq25LjKOAAXq1MzzBQBBKABoPpORx7iq4gKEeWfxoAe9i8rush9U3Xg AnQQ== X-Received: by 10.28.175.135 with SMTP id y129mr37768846wme.24.1450909541719; Wed, 23 Dec 2015 14:25:41 -0800 (PST) Received: from localhost.localdomain (ax113-6-78-236-204-66.fbx.proxad.net. [78.236.204.66]) by smtp.gmail.com with ESMTPSA id l184sm30886480wmf.6.2015.12.23.14.25.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 23 Dec 2015 14:25:40 -0800 (PST) From: Christophe Ricard X-Google-Original-From: Christophe Ricard To: rjw@rjwysocki.net, lenb@kernel.org, linus.walleij@linaro.org, gnurou@gmail.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, broonie@kernel.org Cc: linux-spi@vger.kernel.org, linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, Christophe Ricard Subject: [PATCH v8 1/3] acpi: Rename acpi_gsi_get_irq_type to acpi_dev_get_irq_type and export symbol Date: Wed, 23 Dec 2015 23:25:33 +0100 Message-Id: <1450909535-32138-2-git-send-email-christophe-h.ricard@st.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1450909535-32138-1-git-send-email-christophe-h.ricard@st.com> References: <1450909535-32138-1-git-send-email-christophe-h.ricard@st.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org acpi_gsi_get_irq_type could be use out of gsi purpose. Rename and make it available as a resource function. Acked-by: Mika Westerberg Signed-off-by: Christophe Ricard --- drivers/acpi/gsi.c | 21 +-------------------- drivers/acpi/resource.c | 26 ++++++++++++++++++++++++++ include/linux/acpi.h | 1 + 3 files changed, 28 insertions(+), 20 deletions(-) diff --git a/drivers/acpi/gsi.c b/drivers/acpi/gsi.c index fa4585a..ee9e0f2 100644 --- a/drivers/acpi/gsi.c +++ b/drivers/acpi/gsi.c @@ -17,25 +17,6 @@ enum acpi_irq_model_id acpi_irq_model; static struct fwnode_handle *acpi_gsi_domain_id; -static unsigned int acpi_gsi_get_irq_type(int trigger, int polarity) -{ - switch (polarity) { - case ACPI_ACTIVE_LOW: - return trigger == ACPI_EDGE_SENSITIVE ? - IRQ_TYPE_EDGE_FALLING : - IRQ_TYPE_LEVEL_LOW; - case ACPI_ACTIVE_HIGH: - return trigger == ACPI_EDGE_SENSITIVE ? - IRQ_TYPE_EDGE_RISING : - IRQ_TYPE_LEVEL_HIGH; - case ACPI_ACTIVE_BOTH: - if (trigger == ACPI_EDGE_SENSITIVE) - return IRQ_TYPE_EDGE_BOTH; - default: - return IRQ_TYPE_NONE; - } -} - /** * acpi_gsi_to_irq() - Retrieve the linux irq number for a given GSI * @gsi: GSI IRQ number to map @@ -82,7 +63,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, fwspec.fwnode = acpi_gsi_domain_id; fwspec.param[0] = gsi; - fwspec.param[1] = acpi_gsi_get_irq_type(trigger, polarity); + fwspec.param[1] = acpi_dev_get_irq_type(trigger, polarity); fwspec.param_count = 2; return irq_create_fwspec_mapping(&fwspec); diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index cdc5c25..d02fd53 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -23,6 +23,7 @@ #include #include #include +#include #ifdef CONFIG_X86 #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) @@ -336,6 +337,31 @@ unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) } EXPORT_SYMBOL_GPL(acpi_dev_irq_flags); +/** + * acpi_dev_get_irq_type - Determine irq type. + * @triggering: Triggering type as provided by ACPI. + * @polarity: Interrupt polarity as provided by ACPI. + */ +unsigned int acpi_dev_get_irq_type(int triggering, int polarity) +{ + switch (polarity) { + case ACPI_ACTIVE_LOW: + return triggering == ACPI_EDGE_SENSITIVE ? + IRQ_TYPE_EDGE_FALLING : + IRQ_TYPE_LEVEL_LOW; + case ACPI_ACTIVE_HIGH: + return triggering == ACPI_EDGE_SENSITIVE ? + IRQ_TYPE_EDGE_RISING : + IRQ_TYPE_LEVEL_HIGH; + case ACPI_ACTIVE_BOTH: + if (triggering == ACPI_EDGE_SENSITIVE) + return IRQ_TYPE_EDGE_BOTH; + default: + return IRQ_TYPE_NONE; + } +} +EXPORT_SYMBOL_GPL(acpi_dev_get_irq_type); + static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi) { res->start = gsi; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 1991aea..42adb80 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -318,6 +318,7 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares, bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, struct resource_win *win); unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); +unsigned int acpi_dev_get_irq_type(int triggering, int polarity); bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, struct resource *res);