Message ID | 20200310080113.14016-1-ike.pan@canonical.com |
---|---|
State | New |
Headers | show |
Series | Hisilicon driver updates and fixes for TPM | expand |
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 45972056ed8c..36e02f2f25c5 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -289,6 +289,9 @@ static int dw_spi_transfer_one(struct spi_controller *master, dws->rx_end = dws->rx + transfer->len; dws->len = transfer->len; + /* Ensure dw->rx and dw->rx_end are visible */ + smp_mb(); + spi_enable_chip(dws, 0); /* Handle per transfer options for bpw and speed */