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From: Jin Qian <jinqian@android.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
	Shawn Lin <shawn.lin@rock-chips.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Jaehoon Chung <jh80.chung@samsung.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Uri Yanai <uri.yanai@sandisk.com>,
	Chaotian Jing <chaotian.jing@mediatek.com>,
	Pratibhasagar V <pratibha@codeaurora.org>,
	Gwendal Grignou <gwendal@chromium.org>,
	Dong Aisheng <aisheng.dong@nxp.com>,
	linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Jin Qian <jinqian@android.com>
Subject: [PATCHv2 1/1] mmc: core: export emmc revision via sysfs
Date: Wed, 22 Mar 2017 17:18:45 -0700	[thread overview]
Message-ID: <20170323001849.20332-1-jinqian@android.com> (raw)

Extend sysfs to access ext_csd revision information.

Signed-off-by: Jin Qian <jinqian@android.com>
---
 drivers/mmc/core/mmc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 7fd722868875..08c62c9bec48 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -779,6 +779,7 @@ 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,
@@ -836,6 +837,7 @@ 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,
-- 
2.12.1.500.gab5fba24ee-goog


             reply	other threads:[~2017-03-23  0:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-23  0:18 Jin Qian [this message]
2017-03-23  9:03 ` [PATCHv2 1/1] mmc: core: export emmc revision via sysfs Ulf Hansson
2017-03-24  0:59   ` Kyungmin Park

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