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Commit 23d775f1 authored by Alfred Lee's avatar Alfred Lee Committed by Jakub Kicinski
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net: dsa: mv88e6xxx: Wait for EEPROM done before HW reset



If the switch is reset during active EEPROM transactions, as in
just after an SoC reset after power up, the I2C bus transaction
may be cut short leaving the EEPROM internal I2C state machine
in the wrong state.  When the switch is reset again, the bad
state machine state may result in data being read from the wrong
memory location causing the switch to enter unexpected mode
rendering it inoperational.

Fixes: a3dcb3e7 ("net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset")
Signed-off-by: default avatarAlfred Lee <l00g33k@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230815001323.24739-1-l00g33k@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent de4c5efe
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