Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752660AbbLNIIN (ORCPT ); Mon, 14 Dec 2015 03:08:13 -0500 Received: from mail-lb0-f178.google.com ([209.85.217.178]:34695 "EHLO mail-lb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751045AbbLNIIL (ORCPT ); Mon, 14 Dec 2015 03:08:11 -0500 MIME-Version: 1.0 In-Reply-To: References: <1449873940-10167-1-git-send-email-mweseloh42@gmail.com> <1450047853-9005-1-git-send-email-mweseloh42@gmail.com> <20151214012937.GA12209@rob-hp-laptop> Date: Mon, 14 Dec 2015 09:08:09 +0100 Message-ID: Subject: Re: [PATCH v3] spi: dts: sun4i: Add support for hardware-based wait time between words From: Marcus Weseloh To: Rob Herring Cc: linux-sunxi , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Mark Brown , Maxime Ripard , Chen-Yu Tsai , devicetree , linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, "Mailing List, Arm" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 885 Lines: 24 2015-12-14 8:31 GMT+01:00 Marcus Weseloh : > [...] >>> + /* Setup wait time between words */ >>> + of_property_read_u32(spi->dev.of_node, "spi-word-wait-ns", >>> + &wait_ns); >> >> Read this in probe and save the value rather than fetching every >> transfer. > > But this is a slave property I'm using here. If I read and store it in > probe in the spi-sun4i driver, I won't have access to the slave node > property, will I? Sorry, I think I get it now. I would need to read the value in SPI core, when the slave device gets probed. I will send an updated patch. Thanks, Marcus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/