From patchwork Mon Nov 3 18:12:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Pargmann X-Patchwork-Id: 5218951 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D9430C11AC for ; Mon, 3 Nov 2014 18:17:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 21C252015A for ; Mon, 3 Nov 2014 18:17:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3DCB42015E for ; Mon, 3 Nov 2014 18:17:36 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XlM9g-0008MR-E7; Mon, 03 Nov 2014 18:15:04 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XlM7g-0005jl-Qe for linux-arm-kernel@lists.infradead.org; Mon, 03 Nov 2014 18:13:02 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1XlM6w-0006JE-ID; Mon, 03 Nov 2014 19:12:14 +0100 Received: from mpa by dude.hi.pengutronix.de with local (Exim 4.84) (envelope-from ) id 1XlM6u-0000uD-IX; Mon, 03 Nov 2014 19:12:12 +0100 From: Markus Pargmann To: Mark Brown Subject: [PATCH v3 4/4] regulator: tps65090: Fix gpio initialization Date: Mon, 3 Nov 2014 19:12:07 +0100 Message-Id: <1415038327-32616-5-git-send-email-mpa@pengutronix.de> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1415038327-32616-1-git-send-email-mpa@pengutronix.de> References: <1415038327-32616-1-git-send-email-mpa@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: mpa@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141103_101301_099579_EEE4E1EE X-CRM114-Status: GOOD ( 12.00 ) X-Spam-Score: -0.6 (/) Cc: =?UTF-8?q?Krzysztof=20Koz=C5=82owski?= , Liam Girdwood , linux-kernel@vger.kernel.org, kernel@pengutronix.de, Markus Pargmann , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The config is used for multiple regulators within a for loop. The config field is not cleared before it is used for the next item. To avoid any issues this patch adds a proper initialization for the config->ena_gpio field in case no gpio is available. Signed-off-by: Markus Pargmann --- drivers/regulator/tps65090-regulator.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c index 2e92aa8718cc..f1df4423d361 100644 --- a/drivers/regulator/tps65090-regulator.c +++ b/drivers/regulator/tps65090-regulator.c @@ -314,6 +314,9 @@ static void tps65090_configure_regulator_config( config->ena_gpio = tps_pdata->gpio; config->ena_gpio_initialized = true; config->ena_gpio_flags = gpio_flag; + } else { + config->ena_gpio = -EINVAL; + config->ena_gpio_initialized = false; } }