From patchwork Fri Nov 6 19:23:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 1395890 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CSVfd5n7Wz9sRR for ; Sat, 7 Nov 2020 06:23:21 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728171AbgKFTXN (ORCPT ); Fri, 6 Nov 2020 14:23:13 -0500 Received: from mga11.intel.com ([192.55.52.93]:17139 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728071AbgKFTXM (ORCPT ); Fri, 6 Nov 2020 14:23:12 -0500 IronPort-SDR: NpeDLx5Zf+Q66Y39JKa1Htn8Fndfv95v1t7h0PgkuEX4m0K8VfPplNYFsY40udb1KjGRhZeedJ npgADEa3zq+A== X-IronPort-AV: E=McAfee;i="6000,8403,9797"; a="166079995" X-IronPort-AV: E=Sophos;i="5.77,457,1596524400"; d="scan'208";a="166079995" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2020 11:23:12 -0800 IronPort-SDR: al5BEd98v0ljiMG8TyFZ3M0hAeq5y6obJ1KFi14jWbUSHDTjBtUIKoempW5Ep0ejnSKG7RRWag IPSRaxLRHsbA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,457,1596524400"; d="scan'208";a="307293407" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 06 Nov 2020 11:23:10 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id BEF524B0; Fri, 6 Nov 2020 21:23:07 +0200 (EET) From: Andy Shevchenko To: Linus Walleij , Bartosz Golaszewski , linux-gpio@vger.kernel.org, Mika Westerberg Cc: Andy Shevchenko Subject: [PATCH v4 6/9] gpiolib: acpi: Extract acpi_request_own_gpiod() helper Date: Fri, 6 Nov 2020 21:23:01 +0200 Message-Id: <20201106192304.49179-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201106192304.49179-1-andriy.shevchenko@linux.intel.com> References: <20201106192304.49179-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org It appears that we are using similar code excerpts for ACPI OpRegion and event handling. Deduplicate those excerpts by extracting a new acpi_request_own_gpiod() helper. Signed-off-by: Andy Shevchenko --- drivers/gpio/gpiolib-acpi.c | 44 +++++++++++++++++++------------------ 1 file changed, 23 insertions(+), 21 deletions(-) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 20bc6921457f..65fa38d467db 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -242,6 +242,27 @@ acpi_gpio_to_gpiod_flags(const struct acpi_resource_gpio *agpio) return GPIOD_ASIS; } +static struct gpio_desc *acpi_request_own_gpiod(struct gpio_chip *chip, + struct acpi_resource_gpio *agpio, + unsigned int index, + const char *label) +{ + enum gpiod_flags flags = acpi_gpio_to_gpiod_flags(agpio); + unsigned int pin = agpio->pin_table[index]; + struct gpio_desc *desc; + int ret; + + desc = gpiochip_request_own_desc(chip, pin, label, GPIO_ACTIVE_HIGH, flags); + if (IS_ERR(desc)) + return desc; + + ret = gpiod_set_debounce(desc, agpio->debounce_timeout); + if (ret) + gpiochip_free_own_desc(desc); + + return ret ? ERR_PTR(ret) : desc; +} + static bool acpi_gpio_in_ignore_list(const char *controller_in, int pin_in) { const char *controller, *pin_str; @@ -327,8 +348,7 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares, if (!handler) return AE_OK; - desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event", - GPIO_ACTIVE_HIGH, GPIOD_IN); + desc = acpi_request_own_gpiod(chip, agpio, 0, "ACPI:Event"); if (IS_ERR(desc)) { dev_err(chip->parent, "Failed to request GPIO for pin 0x%04X, err %ld\n", @@ -336,10 +356,6 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares, return AE_OK; } - ret = gpiod_set_debounce(desc, agpio->debounce_timeout); - if (ret) - goto fail_free_desc; - ret = gpiochip_lock_as_irq(chip, pin); if (ret) { dev_err(chip->parent, @@ -1058,27 +1074,13 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address, } if (!found) { - enum gpiod_flags flags = acpi_gpio_to_gpiod_flags(agpio); - const char *label = "ACPI:OpRegion"; - int ret; - - desc = gpiochip_request_own_desc(chip, pin, label, - GPIO_ACTIVE_HIGH, - flags); + desc = acpi_request_own_gpiod(chip, agpio, i, "ACPI:OpRegion"); if (IS_ERR(desc)) { status = AE_ERROR; mutex_unlock(&achip->conn_lock); goto out; } - ret = gpiod_set_debounce(desc, agpio->debounce_timeout); - if (ret) { - status = AE_ERROR; - gpiochip_free_own_desc(desc); - mutex_unlock(&achip->conn_lock); - goto out; - } - conn = kzalloc(sizeof(*conn), GFP_KERNEL); if (!conn) { status = AE_NO_MEMORY;