{"id":807747,"url":"http://patchwork.ozlabs.org/api/1.0/patches/807747/?format=json","project":{"id":35,"url":"http://patchwork.ozlabs.org/api/1.0/projects/35/?format=json","name":"Linux I2C development","link_name":"linux-i2c","list_id":"linux-i2c.vger.kernel.org","list_email":"linux-i2c@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<1504112740-14072-3-git-send-email-divagar.mohandass@intel.com>","date":"2017-08-30T17:05:39","name":"[v4,2/3] eeprom: at24: add support to fetch eeprom device property \"size\"","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"33253502b36d0a416c88c188532b008f3bb76167","submitter":{"id":72054,"url":"http://patchwork.ozlabs.org/api/1.0/people/72054/?format=json","name":"Divagar Mohandass","email":"divagar.mohandass@intel.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-i2c/patch/1504112740-14072-3-git-send-email-divagar.mohandass@intel.com/mbox/","series":[{"id":660,"url":"http://patchwork.ozlabs.org/api/1.0/series/660/?format=json","date":"2017-08-30T17:05:37","name":"enable eeprom \"size\" property and runtime pm","version":4,"mbox":"http://patchwork.ozlabs.org/series/660/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/807747/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-i2c-owner@vger.kernel.org;\n\treceiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xjBjf4RSXz9s7C\n\tfor ;\n\tThu, 31 Aug 2017 03:06:14 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752198AbdH3RFe (ORCPT );\n\tWed, 30 Aug 2017 13:05:34 -0400","from mga05.intel.com ([192.55.52.43]:54016 \"EHLO mga05.intel.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1752185AbdH3RF2 (ORCPT );\n\tWed, 30 Aug 2017 13:05:28 -0400","from orsmga004.jf.intel.com ([10.7.209.38])\n\tby fmsmga105.fm.intel.com with ESMTP; 30 Aug 2017 10:05:27 -0700","from div-optiplex-9010.iind.intel.com ([10.223.163.114])\n\tby orsmga004.jf.intel.com with ESMTP; 30 Aug 2017 10:05:24 -0700"],"X-ExtLoop1":"1","X-IronPort-AV":"E=Sophos;i=\"5.41,449,1498546800\"; d=\"scan'208\";a=\"124090659\"","From":"Divagar Mohandass ","To":"robh+dt@kernel.org, mark.rutland@arm.com, wsa@the-dreams.de,\n\tsakari.ailus@iki.fi","Cc":"devicetree@vger.kernel.org, linux-i2c@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org, rajmohan.mani@intel.com,\n\tDivagar Mohandass ","Subject":"[PATCH v4 2/3] eeprom: at24: add support to fetch eeprom device\n\tproperty \"size\"","Date":"Wed, 30 Aug 2017 22:35:39 +0530","Message-Id":"<1504112740-14072-3-git-send-email-divagar.mohandass@intel.com>","X-Mailer":"git-send-email 1.9.1","In-Reply-To":"<1504112740-14072-1-git-send-email-divagar.mohandass@intel.com>","References":"<1504112740-14072-1-git-send-email-divagar.mohandass@intel.com>","Sender":"linux-i2c-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"linux-i2c@vger.kernel.org"},"content":"Obtain the size of the EEPROM chip from DT if the \"size\" property is\nspecified for the device.\n\nSigned-off-by: Divagar Mohandass \n---\n drivers/misc/eeprom/at24.c | 4 ++++\n 1 file changed, 4 insertions(+)","diff":"diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c\nindex 764ff5df..2199c42 100644\n--- a/drivers/misc/eeprom/at24.c\n+++ b/drivers/misc/eeprom/at24.c\n@@ -570,6 +570,10 @@ static void at24_get_pdata(struct device *dev, struct at24_platform_data *chip)\n \tif (device_property_present(dev, \"read-only\"))\n \t\tchip->flags |= AT24_FLAG_READONLY;\n \n+\terr = device_property_read_u32(dev, \"size\", &val);\n+\tif (!err)\n+\t\tchip->byte_len = val;\n+\n \terr = device_property_read_u32(dev, \"pagesize\", &val);\n \tif (!err) {\n \t\tchip->page_size = val;\n","prefixes":["v4","2/3"]}