From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatolij Gustschin Subject: Re: [PATCH v10 2/3] fpga manager: Add altera-ps-spi driver for Altera FPGAs Date: Thu, 18 May 2017 13:46:59 +0200 Message-ID: <20170518134659.589b681b@crub> References: <1495045422-19183-1-git-send-email-agust@denx.de> <1495045422-19183-2-git-send-email-agust@denx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1495045422-19183-2-git-send-email-agust@denx.de> Sender: linux-kernel-owner@vger.kernel.org To: stillcompiling@gmail.com, joshua.clayton@uniwest.com, bst@pengutronix.de Cc: linux-fpga@vger.kernel.org, atull@kernel.org, moritz.fischer@ettus.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.com List-Id: devicetree@vger.kernel.org Hi, On Wed, 17 May 2017 20:23:41 +0200 Anatolij Gustschin agust@denx.de wrote: ... >+ conf->spi = spi; >+ conf->config = devm_gpiod_get(&spi->dev, "nconfig", GPIOD_OUT_HIGH); we should use GPIOD_OUT_LOW flags here. nCONFIG is low active, so setting logical high will enable the signal (drive the pin low), resulting in configuration reset for already initialised FPGAs when loading/reloading the module. Thanks, Anatolij