From patchwork Tue Nov 5 10:14:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1189507 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 476lrq2pDNz9s4Y for ; Tue, 5 Nov 2019 21:14:35 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387905AbfKEKOe (ORCPT ); Tue, 5 Nov 2019 05:14:34 -0500 Received: from mail-lj1-f193.google.com ([209.85.208.193]:42741 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730699AbfKEKOe (ORCPT ); Tue, 5 Nov 2019 05:14:34 -0500 Received: by mail-lj1-f193.google.com with SMTP id n5so10117145ljc.9; Tue, 05 Nov 2019 02:14:32 -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=sgRER2GYufZWIyTdQOoGwRBfIIq1xVCwP+DGjXPxhLc=; b=Y7rFzLgZpX7TUin2U8nGCoA9hD8JU3aJbKJ4Bbi8Z51j5j7aqF0B407jmVAWq+hMCA mGLGxhrrpIh+SiikTBpARfCthZckWYh1h+s1dgGsZ9+ADr62+/tN43e1QUC4NJIOwB3W kpoF3vMgwlPn3nqivKer1fTyBAzzXwPlRRdy6teWNalyLfYN3v0E/QxLWSetIPMbwCOm e2s6Hu2HaUlcVS9frGOaVZ6p0B6b3ilIsDGzhLStUqbp9vsQCPOqQKNOdu+Y/vKRRQem owL+2MyTYzijbcvDPksxPXPTsDsoEge3g+c6ipDGsdHpGVVms08ly7FkRjkJlJBKPCUb fIBw== X-Gm-Message-State: APjAAAUJJKxcvWhsf7tk1UqS76jTHGwv1EpGA46jo0ST81M2jpNzzX3z jCmF9buxy2ftdZqDNTTilGfNrEVJRmY= X-Google-Smtp-Source: APXvYqwE4ANDsQZUs2OibgHsxyfenXEROHlXWR5+RLW0h19avgiFRurwS7VraARAmCbepvAREu/jrg== X-Received: by 2002:a05:651c:390:: with SMTP id e16mr22497104ljp.196.1572948872186; Tue, 05 Nov 2019 02:14:32 -0800 (PST) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id v6sm14267659ljd.15.2019.11.05.02.14.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2019 02:14:31 -0800 (PST) Date: Tue, 5 Nov 2019 12:14:22 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Marek Vasut , Linus Walleij , Bartosz Golaszewski , linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH 10/62] gpio: gpio-bd9571mwv: Use new GPIO_LINE_DIRECTION Message-ID: <07ed3f5b199c81fcb214b9e0e6e37bfed079e2f7.1572945734.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. NOTE: This commit also changes the return value for direction get to equal 1 for direction INPUT. Prior this commit the driver returned different values depending on GPIO pin for the INPUT state. Signed-off-by: Matti Vaittinen Reviewed-by: Geert Uytterhoeven --- drivers/gpio/gpio-bd9571mwv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-bd9571mwv.c b/drivers/gpio/gpio-bd9571mwv.c index 5224a946e8ab..c0abc9c6851b 100644 --- a/drivers/gpio/gpio-bd9571mwv.c +++ b/drivers/gpio/gpio-bd9571mwv.c @@ -37,8 +37,10 @@ static int bd9571mwv_gpio_get_direction(struct gpio_chip *chip, ret = regmap_read(gpio->bd->regmap, BD9571MWV_GPIO_DIR, &val); if (ret < 0) return ret; + if (val & BIT(offset)) + return GPIO_LINE_DIRECTION_IN; - return val & BIT(offset); + return GPIO_LINE_DIRECTION_OUT; } static int bd9571mwv_gpio_direction_input(struct gpio_chip *chip,