From: Joachim Fenkes Date: Fri, 24 Jul 2020 07:15:17 +0000 (+0930) Subject: fsi/sbefifo: Clean up correct FIFO when receiving reset request from SBE X-Git-Tag: v5.10.79~2865 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4a95eb0c800eb71720b4186bec56941208c750d1;p=platform%2Fkernel%2Flinux-rpi.git fsi/sbefifo: Clean up correct FIFO when receiving reset request from SBE [ 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 Signed-off-by: Joel Stanley Link: https://lore.kernel.org/r/20200724071518.430515-2-joel@jms.id.au Signed-off-by: Joel Stanley Signed-off-by: Sasha Levin --- diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c index bfd5e5d..de27c43 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);