SBE fifo operations should be allowed while the SBE is in any of the
"IPL" states. Operations should succeed in this state.
Fixes:
9f4a8a2d7f9d fsi/sbefifo: Add driver for the SBE FIFO
Reviewed-by: Joel Stanley <joel@jms.id.au>
Tested-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/1561575415-3282-1-git-send-email-eajames@linux.ibm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
switch ((sbm & CFAM_SBM_SBE_STATE_MASK) >> CFAM_SBM_SBE_STATE_SHIFT) {
case SBE_STATE_UNKNOWN:
return -ESHUTDOWN;
+ case SBE_STATE_DMT:
+ return -EBUSY;
case SBE_STATE_IPLING:
case SBE_STATE_ISTEP:
case SBE_STATE_MPIPL:
- case SBE_STATE_DMT:
- return -EBUSY;
case SBE_STATE_RUNTIME:
case SBE_STATE_DUMP: /* Not sure about that one */
break;