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>

diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c
index b33249b..b4c4796 100644 (file)
--- 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 = {