Merge branch 'spi-5.5' into spi-linus

2020-01-23 12:37:15 +00:00
parent def9d27807 29d7e05c5f
commit 7265e8fc51
4 changed files with 33 additions and 20 deletions
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -297,6 +297,9 @@ static int dw_spi_transfer_one(struct spi_controller *master,
 	dws->len = transfer->len;
 	spin_unlock_irqrestore(&dws->buf_lock, flags);

+	/* Ensure dw->rx and dw->rx_end are visible */
+	smp_mb();
+
 	spi_enable_chip(dws, 0);

 	/* Handle per transfer options for bpw and speed */