Re: [patch 10/14] serial/crisv10: replace schedule_timeout() withmsleep()
From: Andrew Morton
Date: Sun Mar 06 2005 - 22:39:15 EST
domen@xxxxxxxxxxxx wrote:
>
> Use msleep() instead of schedule_timeout() to guarantee the task
> delays as expected. The current code uses TASK_INTERRUPTIBLE, but does not care
> about signals, so I believe msleep() should be ok.
>
> Signed-off-by: Nishanth Aravamudan <nacc@xxxxxxxxxx>
> Signed-off-by: Domen Puncer <domen@xxxxxxxxxxxx>
> ---
>
>
> kj-domen/drivers/serial/crisv10.c | 6 ++----
> 1 files changed, 2 insertions(+), 4 deletions(-)
>
> diff -puN drivers/serial/crisv10.c~msleep-drivers_serial_crisv10 drivers/serial/crisv10.c
> --- kj/drivers/serial/crisv10.c~msleep-drivers_serial_crisv10 2005-03-05 16:10:52.000000000 +0100
> +++ kj-domen/drivers/serial/crisv10.c 2005-03-05 16:10:52.000000000 +0100
> @@ -3757,10 +3757,8 @@ rs_write(struct tty_struct * tty, int fr
> e100_enable_rx_irq(info);
> #endif
>
> - if (info->rs485.delay_rts_before_send > 0) {
> - set_current_state(TASK_INTERRUPTIBLE);
> - schedule_timeout((info->rs485.delay_rts_before_send * HZ)/1000);
> - }
> + if (info->rs485.delay_rts_before_send > 0)
> + msleep(info->rs485.delay_rts_before_send);
Behavioural change: we'll no longer break out of the sleep if a signal is
pending. Which probably means you fixed a bug ;)
Please work it with Mikael.
-
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