MMC life-time register, why not updated very time when reading the attribute in /sys

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Hi, all,

  In the commit v4.10-rc8-9-g46bc5c408e4e, Jungseung Lee introduced an easy
way to access the EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_A/B registers.

  That is fine, it avoid to parse the ECSD raw data from the debugfs mnt point:
 /sys/kernel/debug/mmc0/mmc0:0001/ext_csd.

But the code seems that only read the ECSD when init the Card. On our machines
with BGA chip, run in long time, that sysfs attr seems not updated. It
only keeps the
original values when booting/init.

Any plan to update that ?



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