From patchwork Mon Sep 4 06:40:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Divagar Mohandass X-Patchwork-Id: 809545 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3xm0bd2SCLz9s72 for ; Mon, 4 Sep 2017 16:40:45 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753303AbdIDGkP (ORCPT ); Mon, 4 Sep 2017 02:40:15 -0400 Received: from mga03.intel.com ([134.134.136.65]:34693 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752536AbdIDGkP (ORCPT ); Mon, 4 Sep 2017 02:40:15 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Sep 2017 23:40:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,473,1498546800"; d="scan'208";a="1010676628" Received: from div-optiplex-9010.iind.intel.com ([10.223.163.114]) by orsmga003.jf.intel.com with ESMTP; 03 Sep 2017 23:40:11 -0700 From: Divagar Mohandass To: robh+dt@kernel.org, mark.rutland@arm.com, wsa@the-dreams.de, sakari.ailus@iki.fi Cc: devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, rajmohan.mani@intel.com, Divagar Mohandass Subject: [PATCH v5 2/3] eeprom: at24: add support to fetch eeprom device property "size" Date: Mon, 4 Sep 2017 12:10:44 +0530 Message-Id: <1504507245-12902-3-git-send-email-divagar.mohandass@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1504507245-12902-1-git-send-email-divagar.mohandass@intel.com> References: <1504507245-12902-1-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 Obtain the size of the EEPROM chip from DT if the "size" property is specified for the device. Signed-off-by: Divagar Mohandass --- drivers/misc/eeprom/at24.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 764ff5df..2199c42 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -570,6 +570,10 @@ static void at24_get_pdata(struct device *dev, struct at24_platform_data *chip) if (device_property_present(dev, "read-only")) chip->flags |= AT24_FLAG_READONLY; + err = device_property_read_u32(dev, "size", &val); + if (!err) + chip->byte_len = val; + err = device_property_read_u32(dev, "pagesize", &val); if (!err) { chip->page_size = val;