From 5e38c984dbd98fa9f1998ff239775fd467beeb2c Mon Sep 17 00:00:00 2001 From: Aishwarya Pant Date: Mon, 27 Feb 2017 22:31:39 +0530 Subject: staging: dgnc: replace udelay with usleep_range Fix checkpatch warning on dgnc_cls.c: CHECK usleep_range is preferred over udelay. udelay(t) in function cls_uart_init is within non-atomic context and can be safely replaced by usleep_range(t, t + delta) where delta is t (as t is between 10 and 20 microseconds). Signed-off-by: Aishwarya Pant Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgnc/dgnc_cls.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/staging/dgnc') diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c index c20ffdd254d8..28a3e1676f07 100644 --- a/drivers/staging/dgnc/dgnc_cls.c +++ b/drivers/staging/dgnc/dgnc_cls.c @@ -1096,7 +1096,7 @@ static void cls_uart_init(struct channel_t *ch) writeb(UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT, &ch->ch_cls_uart->isr_fcr); - udelay(10); + usleep_range(10, 20); ch->ch_flags |= (CH_FIFO_ENABLED | CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); -- cgit