[PATCHv2 1/1] mmc: core: export emmc revision via sysfs

From: Jin Qian
Date: Wed Mar 22 2017 - 20:20:43 EST


Extend sysfs to access ext_csd revision information.

Signed-off-by: Jin Qian <jinqian@xxxxxxxxxxx>
---
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