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authorEddie James <eajames@linux.ibm.com>2019-06-26 21:56:55 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-03 22:17:11 +0300
commit7ce98fb6c53d2311b3e9faae90b1a9c1a96534db (patch)
treed23ef32a1067922e6009327499833843d4be2964 /drivers/fsi/fsi-sbefifo.c
parent17c20f329a139e90e4b049b811ca6d1a2ae967e0 (diff)
downloadlinux-7ce98fb6c53d2311b3e9faae90b1a9c1a96534db.tar.xz
fsi: sbefifo: Don't fail operations when in SBE IPL state
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>
Diffstat (limited to 'drivers/fsi/fsi-sbefifo.c')
-rw-r--r--drivers/fsi/fsi-sbefifo.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c
index d92f5b87c251..f54df9ebc8b3 100644
--- a/drivers/fsi/fsi-sbefifo.c
+++ b/drivers/fsi/fsi-sbefifo.c
@@ -289,11 +289,11 @@ static int sbefifo_check_sbe_state(struct sbefifo *sbefifo)
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;