Correction:
[Impact]
This is a bug fix to enable the hw_reset() support in sdhci-of-dwcmshc driver
for BlueField-3.
** Description changed:
SRU Justification:
[Impact]
- This is a cherry-pick fix from upstream to Add support for BF3 eMMC HW reset
+ This is an enhancement to enable the hw_reset() support in sdhci-of-dwcmshc
+ driver for BlueField-3.
[Fix]
BLueField eMMC RST_N register is implemented as secure, thus the default
hw_reset() implementation won't work. This patch provides BlueField specific
hw_reset() which send SMC call to ATF to update the same RST_N register.
[Test Case]
Same functionality and testing as on BlueField-3.
[Regression Potential]
Same behavior from user perspective.
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https://bugs.launchpad.net/bugs/2072786
Title:
BF3: Add support for eMMC HW reset
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