From patchwork Tue Oct 10 06:00:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: divagar.mohandass@intel.com X-Patchwork-Id: 9995047 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4A643603FF for ; Tue, 10 Oct 2017 06:00:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3CAA32623C for ; Tue, 10 Oct 2017 06:00:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 30F59274A3; Tue, 10 Oct 2017 06:00:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CA5442623C for ; Tue, 10 Oct 2017 06:00:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751837AbdJJGA0 (ORCPT ); Tue, 10 Oct 2017 02:00:26 -0400 Received: from mga11.intel.com ([192.55.52.93]:34799 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751810AbdJJGAZ (ORCPT ); Tue, 10 Oct 2017 02:00:25 -0400 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Oct 2017 23:00:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,503,1500966000"; d="scan'208";a="321442581" Received: from div-optiplex-9010.iind.intel.com ([10.223.163.114]) by fmsmga004.fm.intel.com with ESMTP; 09 Oct 2017 23:00:21 -0700 From: Divagar Mohandass To: robh+dt@kernel.org, mark.rutland@arm.com, wsa@the-dreams.de, sakari.ailus@iki.fi, tfiga@chromium.org Cc: devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, rajmohan.mani@intel.com, mika.westerberg@linux.intel.com, linux-pm@vger.kernel.org, Divagar Mohandass Subject: [PATCH v7 2/3] eeprom: at24: add support to fetch eeprom device property "size" Date: Tue, 10 Oct 2017 11:30:36 +0530 Message-Id: <1507615237-21744-3-git-send-email-divagar.mohandass@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1507615237-21744-1-git-send-email-divagar.mohandass@intel.com> References: <1507615237-21744-1-git-send-email-divagar.mohandass@intel.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Obtain the size of the EEPROM chip from DT if the "size" property is specified for the device. Suggested-by: Andy Shevchenko Reviewed-by: Andy Shevchenko Reviewed-by: Sakari Ailus 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;