From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753486AbcGDL6x (ORCPT ); Mon, 4 Jul 2016 07:58:53 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:34135 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752844AbcGDL6u (ORCPT ); Mon, 4 Jul 2016 07:58:50 -0400 From: Bojan Prtvar To: linux-mmc@vger.kernel.org Cc: Jonathan Corbet , Ulf Hansson , Linus Walleij , Adrian Hunter , Dong Aisheng , Wolfram Sang , Gwendal Grignou , Chaotian Jing , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] mmc: core: Extend sysfs with OCR register Date: Mon, 4 Jul 2016 13:56:55 +0200 Message-Id: <20160704115818.35614-1-prtvar.b@gmail.com> X-Mailer: git-send-email 2.8.0.GIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make operation conditions register (OCR) easily accessible from user space. Signed-off-by: Bojan Prtvar --- Documentation/mmc/mmc-dev-attrs.txt | 1 + drivers/mmc/core/mmc.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt index caa5557..8163eca 100644 --- a/Documentation/mmc/mmc-dev-attrs.txt +++ b/Documentation/mmc/mmc-dev-attrs.txt @@ -28,6 +28,7 @@ All attributes are read-only. preferred_erase_size Preferred erase size raw_rpmb_size_mult RPMB partition size rel_sectors Reliable write sector count + ocr Operation Conditions Register Note on Erase Size and Preferred Erase Size: diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 5d438ad..1848334 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -727,6 +727,7 @@ MMC_DEV_ATTR(enhanced_area_offset, "%llu\n", MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size); MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult); MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors); +MMC_DEV_ATTR(ocr, "%08x\n", card->ocr); static ssize_t mmc_fwrev_show(struct device *dev, struct device_attribute *attr, @@ -762,6 +763,7 @@ static struct attribute *mmc_std_attrs[] = { &dev_attr_enhanced_area_size.attr, &dev_attr_raw_rpmb_size_mult.attr, &dev_attr_rel_sectors.attr, + &dev_attr_ocr.attr, NULL, }; ATTRIBUTE_GROUPS(mmc_std); -- 2.8.0.GIT