From patchwork Mon Mar 8 19:45:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 395698 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 9DE0EC43332 for ; Mon, 8 Mar 2021 19:46:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B43B652C0 for ; Mon, 8 Mar 2021 19:46:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231594AbhCHTpz (ORCPT ); Mon, 8 Mar 2021 14:45:55 -0500 Received: from mga11.intel.com ([192.55.52.93]:4882 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231490AbhCHTpp (ORCPT ); Mon, 8 Mar 2021 14:45:45 -0500 IronPort-SDR: RYzd7mG/1yoiLYMpN22vy+mLSBK/OCvlTX2+u4MuSfar3RgQWDYvcN/Vnqd6rTol6E1gwWxKR4 UvymH6mhp3yg== X-IronPort-AV: E=McAfee;i="6000,8403,9917"; a="184732755" X-IronPort-AV: E=Sophos;i="5.81,233,1610438400"; d="scan'208";a="184732755" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2021 11:45:44 -0800 IronPort-SDR: hO5lZU6k4i5KisATUC+OXSt2uFLQjqSkwIbNQIIUGho+3zPU3VCDQG5pY/Z+dFxYHKdD619/MA 7yDTEIYkVSXw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,233,1610438400"; d="scan'208";a="509033690" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 08 Mar 2021 11:45:41 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 07684565; Mon, 8 Mar 2021 21:45:42 +0200 (EET) From: Andy Shevchenko To: Linus Walleij , Andy Shevchenko , Mika Westerberg , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org Cc: Marc Zyngier , Jonathan Corbet , Bartosz Golaszewski , Thomas Gleixner , "Rafael J. Wysocki" Subject: [PATCH v5 4/6] gpiolib: Introduce acpi_gpio_dev_init() and call it from core Date: Mon, 8 Mar 2021 21:45:33 +0200 Message-Id: <20210308194535.66394-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210308194535.66394-1-andriy.shevchenko@linux.intel.com> References: <20210308194535.66394-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org In the ACPI case we may use the firmware node in the similar way as it's done for OF case. We may use that fwnode for other purposes in the future. Signed-off-by: Andy Shevchenko Reviewed-by: Linus Walleij --- drivers/gpio/gpiolib-acpi.c | 7 +++++++ drivers/gpio/gpiolib-acpi.h | 4 ++++ drivers/gpio/gpiolib.c | 1 + 3 files changed, 12 insertions(+) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 1aacd2a5a1fd..21750be9c489 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -1291,6 +1291,13 @@ void acpi_gpiochip_remove(struct gpio_chip *chip) kfree(acpi_gpio); } +void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev) +{ + /* Set default fwnode to parent's one if present */ + if (gc->parent) + ACPI_COMPANION_SET(&gdev->dev, ACPI_COMPANION(gc->parent)); +} + static int acpi_gpio_package_count(const union acpi_object *obj) { const union acpi_object *element = obj->package.elements; diff --git a/drivers/gpio/gpiolib-acpi.h b/drivers/gpio/gpiolib-acpi.h index e2edb632b2cc..e476558d9471 100644 --- a/drivers/gpio/gpiolib-acpi.h +++ b/drivers/gpio/gpiolib-acpi.h @@ -36,6 +36,8 @@ struct acpi_gpio_info { void acpi_gpiochip_add(struct gpio_chip *chip); void acpi_gpiochip_remove(struct gpio_chip *chip); +void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev); + void acpi_gpiochip_request_interrupts(struct gpio_chip *chip); void acpi_gpiochip_free_interrupts(struct gpio_chip *chip); @@ -58,6 +60,8 @@ int acpi_gpio_count(struct device *dev, const char *con_id); static inline void acpi_gpiochip_add(struct gpio_chip *chip) { } static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { } +static inline void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev) { } + static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 41a57f042843..1853075df741 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -590,6 +590,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, gc->gpiodev = gdev; of_gpio_dev_init(gc, gdev); + acpi_gpio_dev_init(gc, gdev); gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL); if (gdev->id < 0) {