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mmc: core: export emmc revision 

Expose emmc revision as part of device attributes.

Signed-off-by: Jin Qian <jinqian@android.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Jin Qian 2017-10-12 10:46:59 -07:00 committed by Ulf Hansson
parent 9ccfa81725
commit 04fa054025
2 changed files with 6 additions and 0 deletions
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4
Documentation/ABI/testing/sysfs-bus-mmc Normal file
View File

@ -0,0 +1,4 @@
What: /sys/bus/mmc/devices/.../rev
Date: October 2017
Contact: Jin Qian <jinqian@android.com>
Description: Extended CSD revision number

2
drivers/mmc/core/mmc.c
View File

@ -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,