From d2d2e6456ebccb5d31163dcc3191d83183bbd0b5 Mon Sep 17 00:00:00 2001
From: Vincent Cuissard <cuissard@marvell.com>
Date: Tue, 3 Nov 2015 19:19:33 +0100
Subject: [PATCH] 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>
---
drivers/nfc/nfcmrvl/uart.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c
index b33249bec4191..b4c4796dd23e2 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 = {