fsi: sbefifo: Don't fail operations when in SBE IPL state
[ Upstream commit 7ce98fb6c53d2311b3e9faae90b1a9c1a96534db ]
SBE fifo operations should be allowed while the SBE is in any of the
"IPL" states. Operations should succeed in this state.
Fixes: 9f4a8a2d7f
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -289,11 +289,11 @@ static int sbefifo_check_sbe_state(struct sbefifo *sbefifo)
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switch ((sbm & CFAM_SBM_SBE_STATE_MASK) >> CFAM_SBM_SBE_STATE_SHIFT) {
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case SBE_STATE_UNKNOWN:
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return -ESHUTDOWN;
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case SBE_STATE_DMT:
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return -EBUSY;
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case SBE_STATE_IPLING:
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case SBE_STATE_ISTEP:
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case SBE_STATE_MPIPL:
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case SBE_STATE_DMT:
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return -EBUSY;
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case SBE_STATE_RUNTIME:
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case SBE_STATE_DUMP: /* Not sure about that one */
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break;
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