From patchwork Thu Mar 4 15:02:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 392784 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 7A462C4332E for ; Thu, 4 Mar 2021 15:05:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C62164F70 for ; Thu, 4 Mar 2021 15:05:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233183AbhCDPEy (ORCPT ); Thu, 4 Mar 2021 10:04:54 -0500 Received: from mga05.intel.com ([192.55.52.43]:45940 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233162AbhCDPEW (ORCPT ); Thu, 4 Mar 2021 10:04:22 -0500 IronPort-SDR: DUH7WGEK8Vg7a0UItxjCYdLUGB1R8ubHIofucOxqZOothBbcZExOLkH0MFCzjgMcaHa+mAhM7/ q7OY0s+cR+3g== X-IronPort-AV: E=McAfee;i="6000,8403,9913"; a="272434340" X-IronPort-AV: E=Sophos;i="5.81,222,1610438400"; d="scan'208";a="272434340" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2021 07:02:36 -0800 IronPort-SDR: kokDU6EFY8JqlmXaqU1WsmGeryJLAt6fHKIzu7sxQUC35bhFqJBpvOhuRJcwxu1V4F6YqWcizY lYG15hNZT42g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,222,1610438400"; d="scan'208";a="374578935" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 04 Mar 2021 07:02:33 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id DB4C73C1; Thu, 4 Mar 2021 17:02:32 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Linus Walleij , 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 v2 4/5] gpiolib: Introduce acpi_gpio_dev_init() and call it from core Date: Thu, 4 Mar 2021 17:02:14 +0200 Message-Id: <20210304150215.80652-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210304150215.80652-1-andriy.shevchenko@linux.intel.com> References: <20210304150215.80652-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@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 4af8a8c1316e..6827736ba05c 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) {