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authorVincent Cuissard <cuissard@marvell.com>2015-11-03 19:19:33 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2015-11-05 00:32:25 +0100
commitd2d2e6456ebccb5d31163dcc3191d83183bbd0b5 (patch)
tree478fbb4d563bfe9afc233cea63f45f3da28d0911 /drivers/nfc
parentfeacf0024bfea807d7302d4aff83b391ac6e4077 (diff)
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>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/nfcmrvl/uart.c4
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 = {