If the inval_cache_and_wait_for_operation() is re-entered by write operation when erase
operation is in progress, the chip->erase_suspended will be cleared, this cause the erase
timeo is not reset and will result time out error for erase.
Signed-off-by: NGraff Yang <graff.yang@gmail.com>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>