From patchwork Tue Nov 5 10:28:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1189540 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=fi.rohmeurope.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 476m8h5tYxz9s4Y for ; Tue, 5 Nov 2019 21:28:20 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388093AbfKEK2U (ORCPT ); Tue, 5 Nov 2019 05:28:20 -0500 Received: from mail-lj1-f193.google.com ([209.85.208.193]:41623 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388022AbfKEK2U (ORCPT ); Tue, 5 Nov 2019 05:28:20 -0500 Received: by mail-lj1-f193.google.com with SMTP id m9so21138456ljh.8; Tue, 05 Nov 2019 02:28:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=IM6/hCDcGMqvIg/AwNcP2jEs0lH1LP+44rKli/dOwmA=; b=JwMgtBZnEJ9nVAtIt3YQg2o7BJwk/s992rtYKU/ohRldRNUObRxS2jLznYEJYMB0YT WgHYRrJb2krx/mwsCSpVL5S6iOm1oyF81lpK5aQXAqQROowEVfh2i6myNgb38i+q0azh BNWAdMbB8qNkBK+JXDOzKS03eqE0q+ecsGgTLJFhYJgGthEENS7ZtNvh7BMb51sUmoP3 cYc8/fnhw283aHr9qiSfvbbV5irIjFK77JJuGXdZTs9a8VgzhFkotUGDiAMXPsINyqE+ vjy3XUIYB3oR2kbuO8TCoqumYb9GAVI/E5W8iXUE4hqQb9o672xyRKfPFzxGety+Wj+T sEuQ== X-Gm-Message-State: APjAAAWKystnXgsJlZxQdJtEHB7YOV2ErlA07pyyRhYRUf2JM9t/Vvg3 8d4TWIISGuREabO49krfrWI= X-Google-Smtp-Source: APXvYqxedWqwpibNee1F3pdyV0UbO7UJx5A0vtGukno687Fxa5nIr8MrVSqk4r/Wt/lFEQklGzs3/A== X-Received: by 2002:a05:651c:1202:: with SMTP id i2mr22513311lja.218.1572949697900; Tue, 05 Nov 2019 02:28:17 -0800 (PST) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id t16sm7260851ljc.106.2019.11.05.02.28.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2019 02:28:17 -0800 (PST) Date: Tue, 5 Nov 2019 12:28:12 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Linus Walleij , Bartosz Golaszewski , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 34/62] gpio: gpio-raspberrypi-exp: Use new GPIO_LINE_DIRECTION Message-ID: <92a9de8da96f57c156ccd24dc37a330e352f6963.1572945875.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org It's hard for occasional GPIO code reader/writer to know if values 0/1 equal to IN or OUT. Use defined GPIO_LINE_DIRECTION_IN and GPIO_LINE_DIRECTION_OUT to help them out. Signed-off-by: Matti Vaittinen --- drivers/gpio/gpio-raspberrypi-exp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-raspberrypi-exp.c b/drivers/gpio/gpio-raspberrypi-exp.c index b77ea16ffa03..bb100e0124e6 100644 --- a/drivers/gpio/gpio-raspberrypi-exp.c +++ b/drivers/gpio/gpio-raspberrypi-exp.c @@ -147,7 +147,10 @@ static int rpi_exp_gpio_get_direction(struct gpio_chip *gc, unsigned int off) get.gpio); return ret ? ret : -EIO; } - return !get.direction; + if (get.direction) + return GPIO_LINE_DIRECTION_OUT; + + return GPIO_LINE_DIRECTION_IN; } static int rpi_exp_gpio_get(struct gpio_chip *gc, unsigned int off)