From patchwork Wed Jan 25 20:10:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 1731844 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=W2j+5NCu; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4P2FMf6khcz23h0 for ; Thu, 26 Jan 2023 07:10:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236332AbjAYUKv (ORCPT ); Wed, 25 Jan 2023 15:10:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236338AbjAYUKs (ORCPT ); Wed, 25 Jan 2023 15:10:48 -0500 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3EC45D11A; Wed, 25 Jan 2023 12:10:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1674677418; x=1706213418; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mWptUuAvNZS0kbLHRKn6oORyrZ25KQvA1dzBPjHWj5Y=; b=W2j+5NCuuX9pBpvjyjnweD+WaROJFjF8T0ZucJZB2nuFzVfah4nYli2y FPmk1UyN5rMTibZfXz7K+D0gWnLpf26Yo7fa/GwuYjU+KsnrmyDXsW0GW JyHz8mPoX3IR9+ZKGXEMo4aGxYYRXgcaVD9dHcYpfwaMulEfQdLSGPbrQ uVdqXRkC33Vo59KxgO0yEOOh+3iDItsHD79IPj1MuA5Ga5kSEu6cbfuss sOL7wYnOek1Q0ZbY4Du8LnDMN/j99/ARG3138/bvpsrHsT456z3yXPRHB NbD3Rjk94XR9hPO4yYSIjjeFtdpctugJt3N3E8RXu0z8BJBu9Ix11rVu2 A==; X-IronPort-AV: E=McAfee;i="6500,9779,10601"; a="326694750" X-IronPort-AV: E=Sophos;i="5.97,246,1669104000"; d="scan'208";a="326694750" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2023 12:09:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10601"; a="770871658" X-IronPort-AV: E=Sophos;i="5.97,246,1669104000"; d="scan'208";a="770871658" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 25 Jan 2023 12:09:49 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 3ABE992; Wed, 25 Jan 2023 22:10:25 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Christophe Leroy , Dmitry Torokhov , linux-gpio@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Linus Walleij , Bartosz Golaszewski , Arnd Bergmann , Pierluigi Passaro , kernel test robot Subject: [PATCH v1 1/5] gpiolib: fix linker errors when GPIOLIB is disabled Date: Wed, 25 Jan 2023 22:10:16 +0200 Message-Id: <20230125201020.10948-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230125201020.10948-1-andriy.shevchenko@linux.intel.com> References: <20230125201020.10948-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Pierluigi Passaro Both the functions gpiochip_request_own_desc and gpiochip_free_own_desc are exported from drivers/gpio/gpiolib.c but this file is compiled only when CONFIG_GPIOLIB is enabled. Move the prototypes under "#ifdef CONFIG_GPIOLIB" and provide reasonable definitions and includes in the "#else" branch. Fixes: 9091373ab7ea ("gpio: remove less important #ifdef around declarations") Signed-off-by: Pierluigi Passaro Reported-by: kernel test robot Signed-off-by: Andy Shevchenko --- include/linux/gpio/driver.h | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 26a808fb8a25..67990908a040 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -751,6 +751,8 @@ gpiochip_remove_pin_ranges(struct gpio_chip *gc) #endif /* CONFIG_PINCTRL */ +#ifdef CONFIG_GPIOLIB + struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, unsigned int hwnum, const char *label, @@ -758,8 +760,6 @@ struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, enum gpiod_flags dflags); void gpiochip_free_own_desc(struct gpio_desc *desc); -#ifdef CONFIG_GPIOLIB - /* lock/unlock as IRQ */ int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset); void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset); @@ -769,6 +769,25 @@ struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc); #else /* CONFIG_GPIOLIB */ +#include +#include + +static inline struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, + unsigned int hwnum, + const char *label, + enum gpio_lookup_flags lflags, + enum gpiod_flags dflags) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return ERR_PTR(-ENODEV); +} + +static inline void gpiochip_free_own_desc(struct gpio_desc *desc) +{ + WARN_ON(1); +} + static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc) { /* GPIO can never have been requested */