From: Joachim Fenkes FENKES@de.ibm.com
stable inclusion from linux-4.19.198 commit 170674a2bead4c3e5148e6b5d0741262c3f5d028
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[ Upstream commit 95152433e46fdb36652ebdbea442356a16ae1fa6 ]
When the SBE requests a reset via the down FIFO, that is also the FIFO we should go and reset ;)
Fixes: 9f4a8a2d7f9d ("fsi/sbefifo: Add driver for the SBE FIFO") Signed-off-by: Joachim Fenkes FENKES@de.ibm.com Signed-off-by: Joel Stanley joel@jms.id.au Link: https://lore.kernel.org/r/20200724071518.430515-2-joel@jms.id.au Signed-off-by: Joel Stanley joel@jms.id.au Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/fsi/fsi-sbefifo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c index 9fa3959e08554..b43c2d424d00c 100644 --- a/drivers/fsi/fsi-sbefifo.c +++ b/drivers/fsi/fsi-sbefifo.c @@ -400,7 +400,7 @@ static int sbefifo_cleanup_hw(struct sbefifo *sbefifo) /* The FIFO already contains a reset request from the SBE ? */ if (down_status & SBEFIFO_STS_RESET_REQ) { dev_info(dev, "Cleanup: FIFO reset request set, resetting\n"); - rc = sbefifo_regw(sbefifo, SBEFIFO_UP, SBEFIFO_PERFORM_RESET); + rc = sbefifo_regw(sbefifo, SBEFIFO_DOWN, SBEFIFO_PERFORM_RESET); if (rc) { sbefifo->broken = true; dev_err(dev, "Cleanup: Reset reg write failed, rc=%d\n", rc);