NFC: nfcmrvl: add a small wait after setting UART break

A small wait is inserted to ensure that controller has enough
time to handle the break character.

Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c
index b33249bec419..b4c4796dd23e 100644
--- a/drivers/nfc/nfcmrvl/uart.c
+++ b/drivers/nfc/nfcmrvl/uart.c
@@ -192,8 +192,10 @@ static void nfcmrvl_nci_uart_tx_done(struct nci_uart *nu)
         ** up. we set BREAK. Once we will be ready to send again we will remove
         ** it.
         */
-        if (priv->config.break_control && nu->tty->ops->break_ctl)
+        if (priv->config.break_control && nu->tty->ops->break_ctl) {
                 nu->tty->ops->break_ctl(nu->tty, -1);
+                usleep_range(1000, 3000);
+        }
 }
 
 static struct nci_uart nfcmrvl_nci_uart = {