summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/staging/dgnc/dgnc_cls.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
index 28a3e1676f07..3112c25282a7 100644
--- a/drivers/staging/dgnc/dgnc_cls.c
+++ b/drivers/staging/dgnc/dgnc_cls.c
@@ -609,7 +609,9 @@ static void cls_flush_uart_write(struct channel_t *ch)
writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT),
&ch->ch_cls_uart->isr_fcr);
- usleep_range(10, 20);
+
+ /* Must use *delay family functions in atomic context */
+ udelay(10);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
}