From patchwork Wed Feb 28 18:40:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 776664 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2EFE71ECB; Wed, 28 Feb 2024 18:44:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709145862; cv=none; b=ExqFVdBUjauqLp0oDA+jdTvr0PKSNcFFkK4JaawyVIQJf3WhabxW8tf20WY+EywhTmEbQhlhxpAYHrDCtI5oVrdvNtKZ42Wf0KqNEhFr+HCBwUguVzJaNlA4NLgMZEwsYJ/n/NM0WHU1kO3iPUAcDg0Fk/J+y4//G7MB1C7crZM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709145862; c=relaxed/simple; bh=8biQmZJ8AhqJZfhGvVVU/px0ynI0ARYoFmb5PEgvufc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JaXmVNN2xvan+R1pq3u+crUDhnFo7KC8TZOVPOLIiieECajSxIotvJULCSpCzw0CHQF7OZl+idZjT+b1VwUXiBD2Jx+VAu3w1TzXWNfdVMnIrNnb2SW3/gAxNLvz3TEQTRPnp/LVgB3Lifq/W/KOgS5K9qH9gXIHd+4g4CcSOHo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=YwkGRSfs; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="YwkGRSfs" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709145861; x=1740681861; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8biQmZJ8AhqJZfhGvVVU/px0ynI0ARYoFmb5PEgvufc=; b=YwkGRSfs//SpbofC6jSrEClgrXKfRM5cXB+XdFE/ein8bf+ZO2lzXgCv S7cNPUpVmNUr1L+krVN1N2HmuNHlkvTo2AUzDDKR8lX+o//hKHURxzlHD W05yNKBAogpdT+EBpGCW34+9l7DAoInowCSG8fK61PF9+HV/Zfd7FM15M 1iN+Q47tzYJ5Cjx3iDOajGlu6XTyT64YDgOT0UfgL/itYT1sAvr8dvQVI 4yH2NyHNkTmYz4sxMbgL1YQuekzgh6HgDtyo2XWKoAiMTLfyVQDZdMTtV VIb4hTjkrKqVWKXUc3C+YSAYRWxsyrToqX9mto1fNEhXOCWRFIM69HKVE g==; X-IronPort-AV: E=McAfee;i="6600,9927,10998"; a="21023739" X-IronPort-AV: E=Sophos;i="6.06,191,1705392000"; d="scan'208";a="21023739" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2024 10:44:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10998"; a="937034567" X-IronPort-AV: E=Sophos;i="6.06,191,1705392000"; d="scan'208";a="937034567" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 28 Feb 2024 10:44:15 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 2A521284; Wed, 28 Feb 2024 20:44:14 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mika Westerberg , Linus Walleij , Bartosz Golaszewski , Chris Packham Subject: [PATCH v1 2/2] gpiolib-acpi: Make acpi_gpio_count() take firmware node as a parameter Date: Wed, 28 Feb 2024 20:40:47 +0200 Message-ID: <20240228184412.3591847-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20240228184412.3591847-1-andriy.shevchenko@linux.intel.com> References: <20240228184412.3591847-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Make acpi_gpio_count() take firmware node as a parameter in order to be aligned with other functions and decouple form unused device pointer. The latter helps to create a common fwnode_gpio_count() in the future. Signed-off-by: Andy Shevchenko --- drivers/gpio/gpiolib-acpi.c | 13 ++++++------- drivers/gpio/gpiolib-acpi.h | 4 ++-- drivers/gpio/gpiolib.c | 2 +- 3 files changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 899cd505073e..7f140df40f35 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -1402,17 +1402,17 @@ static int acpi_find_gpio_count(struct acpi_resource *ares, void *data) } /** - * acpi_gpio_count - count the GPIOs associated with a device / function - * @dev: GPIO consumer, can be %NULL for system-global GPIOs + * acpi_gpio_count - count the GPIOs associated with a firmware node / function + * @fwnode: firmware node of the GPIO consumer * @con_id: function within the GPIO consumer * * Return: - * The number of GPIOs associated with a device / function or %-ENOENT, + * The number of GPIOs associated with a firmware node / function or %-ENOENT, * if no GPIO has been assigned to the requested function. */ -int acpi_gpio_count(struct device *dev, const char *con_id) +int acpi_gpio_count(const struct fwnode_handle *fwnode, const char *con_id) { - struct acpi_device *adev = ACPI_COMPANION(dev); + struct acpi_device *adev = to_acpi_device_node(fwnode); const union acpi_object *obj; const struct acpi_gpio_mapping *gm; int count = -ENOENT; @@ -1429,8 +1429,7 @@ int acpi_gpio_count(struct device *dev, const char *con_id) snprintf(propname, sizeof(propname), "%s", gpio_suffixes[i]); - ret = acpi_dev_get_property(adev, propname, ACPI_TYPE_ANY, - &obj); + ret = acpi_dev_get_property(adev, propname, ACPI_TYPE_ANY, &obj); if (ret == 0) { if (obj->type == ACPI_TYPE_LOCAL_REFERENCE) count = 1; diff --git a/drivers/gpio/gpiolib-acpi.h b/drivers/gpio/gpiolib-acpi.h index 0fcd7e14d7f9..6f295ea580fe 100644 --- a/drivers/gpio/gpiolib-acpi.h +++ b/drivers/gpio/gpiolib-acpi.h @@ -33,7 +33,7 @@ struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, enum gpiod_flags *dflags, unsigned long *lookupflags); -int acpi_gpio_count(struct device *dev, const char *con_id); +int acpi_gpio_count(const struct fwnode_handle *fwnode, const char *con_id); #else static inline void acpi_gpiochip_add(struct gpio_chip *chip) { } static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { } @@ -51,7 +51,7 @@ acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id, { return ERR_PTR(-ENOENT); } -static inline int acpi_gpio_count(struct device *dev, const char *con_id) +static inline int acpi_gpio_count(const struct fwnode_handle *fwnode, const char *con_id) { return -ENODEV; } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index a93271b3d538..e6c5c7894553 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -4287,7 +4287,7 @@ int gpiod_count(struct device *dev, const char *con_id) if (is_of_node(fwnode)) count = of_gpio_count(fwnode, con_id); else if (is_acpi_node(fwnode)) - count = acpi_gpio_count(dev, con_id); + count = acpi_gpio_count(fwnode, con_id); else if (is_software_node(fwnode)) count = swnode_gpio_count(fwnode, con_id);