From patchwork Fri Sep 2 12:42:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 12964110 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73B48C38145 for ; Fri, 2 Sep 2022 12:46:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UC+LreqJG1cYH0Gpv2H2xiUGPnHkeyVja3PzdVWDpC8=; b=eo2YomOp5+Zi6i e0yaBdGZNGvL5c3aJUVxHjGXr87Im2KA8YRF3LdtaPKeOMBAoTv0o2WXJ4iRvF7jRi++5xBzgw5Wp oM4isRcHiOFbqszXRcJ15QdfrGM+V3tIdwcVxG4JnD3dbuwtJXO3vZ8LVIeTmRdNz0s4YPslWktl7 68oJYxWoiJWdjzsDY8bFupgQ03HFhqVPKVcLFaREdj3E1lY2eRSaEvMTx5BgRjy7jfIm2XO3jvT+n WinhC2PfK/NT3ap5O4u0tbV4E11PorN0Q3IHLoh7UMbKIDXY+qLQ44B0w02WeqKeNQgwAgCJMVsyg cL+vhACw02rf5vsA4Cdg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU62b-004gEk-4c; Fri, 02 Sep 2022 12:44:57 +0000 Received: from pegase2.c-s.fr ([93.17.235.10]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU60r-004egT-K9 for linux-arm-kernel@lists.infradead.org; Fri, 02 Sep 2022 12:43:11 +0000 Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4MJyHS0sB6z9slr; Fri, 2 Sep 2022 14:42:44 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id M7NmHlj3lQ5F; Fri, 2 Sep 2022 14:42:44 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4MJyHR71vLz9shq; Fri, 2 Sep 2022 14:42:43 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id DC2A88B787; Fri, 2 Sep 2022 14:42:43 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 6Oic1fiU-BW2; Fri, 2 Sep 2022 14:42:43 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (unknown [192.168.232.39]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C03D18B764; Fri, 2 Sep 2022 14:42:42 +0200 (CEST) Received: from PO20335.IDSI0.si.c-s.fr (localhost [127.0.0.1]) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.16.1) with ESMTPS id 282CgYsj2141511 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 2 Sep 2022 14:42:34 +0200 Received: (from chleroy@localhost) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.17.1/Submit) id 282CgY1D2141510; Fri, 2 Sep 2022 14:42:34 +0200 X-Authentication-Warning: PO20335.IDSI0.si.c-s.fr: chleroy set sender to christophe.leroy@csgroup.eu using -f From: Christophe Leroy To: Linus Walleij , Bartosz Golaszewski , Geert Uytterhoeven , Keerthy , Russell King , Arnd Bergmann , Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Catalin Marinas , Will Deacon , Davide Ciminaghi Cc: Christophe Leroy , linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, x86@kernel.org, Andy Shevchenko Subject: [PATCH v2 4/9] gpiolib: Warn on drivers still using static gpiobase allocation Date: Fri, 2 Sep 2022 14:42:04 +0200 Message-Id: X-Mailer: git-send-email 2.37.1 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1662122526; l=832; s=20211009; h=from:subject:message-id; bh=BqluOhrUEy/+Y63E5xOZvhO402EfbZ9Sk+JMThN4Oz8=; b=RqkwTUXDEV9soCh3Qrg3tWs0rw39vFAWmawLHcHHNCOEyM+oeDj0Cvt+0pTjNXxuG8vpb9FZc6y/ /eN3NMjGCTanhwYtTNmRdwzCMA9Lxs6AYgeOlAE2IEc6Xb6qhQac X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220902_054309_876260_8B0E307E X-CRM114-Status: GOOD ( 11.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In the preparation of getting completely rid of static gpiobase allocation in the future, emit a warning in drivers still doing so. Signed-off-by: Christophe Leroy Reviewed-by: Andy Shevchenko --- v2: unsplit the warning text. --- drivers/gpio/gpiolib.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index cc9c0a12259e..4e2fcb7b0a01 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -715,6 +715,9 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, * a poison instead. */ gc->base = base; + } else { + dev_warn(&gdev->dev, + "Static allocation of GPIO base is deprecated, use dynamic allocation.\n"); } gdev->base = base;