From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751921AbdJLRr2 (ORCPT ); Thu, 12 Oct 2017 13:47:28 -0400 Received: from mail-pf0-f177.google.com ([209.85.192.177]:55707 "EHLO mail-pf0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750992AbdJLRr0 (ORCPT ); Thu, 12 Oct 2017 13:47:26 -0400 X-Google-Smtp-Source: AOwi7QCXHMRKsvQrQh90faKmMaHIBW0rB1ai/BVgETa5aU9HkdzWMPAM0wn5H/OhjaqKxJFu5uGf/Q== From: Jin Qian To: Ulf Hansson , Jin Qian , Shawn Lin , Adrian Hunter , Linus Walleij , Jaehoon Chung , Uri Yanai , Chanho Min , Jungseung Lee , linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Cc: Jin Qian Subject: [PATCHv3 1/1] mmc: core: export emmc revision Date: Thu, 12 Oct 2017 10:46:59 -0700 Message-Id: <20171012174703.44680-1-jinqian@android.com> X-Mailer: git-send-email 2.15.0.rc0.271.g36b669edcc-goog Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jin Qian Expose emmc revision as part of device attributes. Signed-off-by: Jin Qian --- Documentation/ABI/testing/sysfs-bus-mmc | 4 ++++ drivers/mmc/core/mmc.c | 2 ++ 2 files changed, 6 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-mmc diff --git a/Documentation/ABI/testing/sysfs-bus-mmc b/Documentation/ABI/testing/sysfs-bus-mmc new file mode 100644 index 000000000000..519f028d19cc --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-mmc @@ -0,0 +1,4 @@ +What: /sys/bus/mmc/devices/.../rev +Date: October 2017 +Contact: Jin Qian +Description: Extended CSD revision number diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 36217ad5e9b1..4aa4cfb2c9e1 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -780,6 +780,7 @@ MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid); MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name); MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid); MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv); +MMC_DEV_ATTR(rev, "0x%x\n", card->ext_csd.rev); MMC_DEV_ATTR(pre_eol_info, "%02x\n", card->ext_csd.pre_eol_info); MMC_DEV_ATTR(life_time, "0x%02x 0x%02x\n", card->ext_csd.device_life_time_est_typ_a, @@ -838,6 +839,7 @@ static struct attribute *mmc_std_attrs[] = { &dev_attr_name.attr, &dev_attr_oemid.attr, &dev_attr_prv.attr, + &dev_attr_rev.attr, &dev_attr_pre_eol_info.attr, &dev_attr_life_time.attr, &dev_attr_serial.attr, -- 2.15.0.rc0.271.g36b669edcc-goog