linux-kernel - [PATCH] fsi: sbefifo: Don't fail operations when in SBE IPL state

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Message-Id: <1548090958-25908-1-git-send-email-eajames@linux.ibm.com>
Date:   Mon, 21 Jan 2019 11:15:58 -0600
From:   Eddie James <eajames@...ux.ibm.com>
To:     linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org
Cc:     joel@....id.au, andrew@...id.au, benh@...nel.crashing.org,
        Eddie James <eajames@...ux.ibm.com>
Subject: [PATCH] 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.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
 drivers/fsi/fsi-sbefifo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c
index c7d13ac..f7665b3 100644
--- a/drivers/fsi/fsi-sbefifo.c
+++ b/drivers/fsi/fsi-sbefifo.c
@@ -290,11 +290,11 @@ 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;
-- 
1.8.3.1