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staging: dgnc: dgnc_cls.c: Replaced udelay by usleep_range

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This patch is to file dgnc_cls.c that fixes up udelay function by
usleep_range.
It is safe to use according to the following documentation
Documentation/timers/timers-howto.txt. So that is why I have given
an appropriate time range.

Signed-off-by: Jitendra Kumar Khasdev <jkhasdev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jitendra Kumar Khasdev 2015-11-24 23:01:13 +05:30 committed by Greg Kroah-Hartman
parent f7f2b10a82
commit 6e411751f0
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/dgnc/dgnc_cls.c
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@ -934,7 +934,7 @@ 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);
udelay(10);
usleep_range(10, 20);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
}