On Wed, Aug 31, 2011 at 21:24, Jiri Slaby <jslaby@xxxxxxx> wrote:
> The code is dead at least since 2002. So remove it to not distort git
> grep output (about port.tty usage).
>
> Remove the whole do_softirq tasklet as it's noop now.
>
> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Alan Cox <alan@xxxxxxxxxxxxxxx>
> ---
> Cc: linux-m68k@xxxxxxxxxxxxxxxxxxxx
This is a uClinux driver.
> drivers/tty/serial/68328serial.c | 35 -----------------------------------
> drivers/tty/serial/68328serial.h | 1 -
> 2 files changed, 0 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c
> index e0a7754..f549231 100644
> --- a/drivers/tty/serial/68328serial.c
> +++ b/drivers/tty/serial/68328serial.c
> @@ -235,22 +235,6 @@ static void batten_down_hatches(void)
>
> static void status_handle(struct m68k_serial *info, unsigned short status)
> {
> -#if 0
> - if(status & DCD) {
> - if((info->port.tty->termios->c_cflag & CRTSCTS) &&
> - ((info->curregs[3] & AUTO_ENAB)==0)) {
> - info->curregs[3] |= AUTO_ENAB;
> - info->pendregs[3] |= AUTO_ENAB;
> - write_zsreg(info->m68k_channel, 3, info->curregs[3]);
> - }
> - } else {
> - if((info->curregs[3] & AUTO_ENAB)) {
> - info->curregs[3] &= ~AUTO_ENAB;
> - info->pendregs[3] &= ~AUTO_ENAB;
> - write_zsreg(info->m68k_channel, 3, info->curregs[3]);
> - }
> - }
> -#endif
> /* If this is console input and this is a
> * 'break asserted' status change interrupt
> * see if we can drop into the debugger
> @@ -340,9 +324,6 @@ static void transmit_chars(struct m68k_serial *info)
> info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE-1);
> info->xmit_cnt--;
>
> - if (info->xmit_cnt < WAKEUP_CHARS)
> - schedule_work(&info->tqueue);
> -
> if(info->xmit_cnt <= 0) {
> /* All done for now... TX ints off */
> uart->ustcnt &= ~USTCNT_TX_INTR_MASK;
> @@ -378,21 +359,6 @@ irqreturn_t rs_interrupt(int irq, void *dev_id)
> return IRQ_HANDLED;
> }
>
> -static void do_softint(struct work_struct *work)
> -{
> - struct m68k_serial *info = container_of(work, struct m68k_serial, tqueue);
> - struct tty_struct *tty;
> -
> - tty = info->tty;
> - if (!tty)
> - return;
> -#if 0
> - if (clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
> - tty_wakeup(tty);
> - }
> -#endif
> -}
> -
> static int startup(struct m68k_serial * info)
> {
> m68328_uart *uart = &uart_addr[info->line];
> @@ -1324,7 +1290,6 @@ rs68328_init(void)
> info->event = 0;
> info->count = 0;
> info->blocked_open = 0;
> - INIT_WORK(&info->tqueue, do_softint);
> init_waitqueue_head(&info->open_wait);
> init_waitqueue_head(&info->close_wait);
> info->line = i;
> diff --git a/drivers/tty/serial/68328serial.h b/drivers/tty/serial/68328serial.h
> index 8c9c3c0..3d2faab 100644
> --- a/drivers/tty/serial/68328serial.h
> +++ b/drivers/tty/serial/68328serial.h
> @@ -158,7 +158,6 @@ struct m68k_serial {
> int xmit_head;
> int xmit_tail;
> int xmit_cnt;
> - struct work_struct tqueue;
> wait_queue_head_t open_wait;
> wait_queue_head_t close_wait;
> };
> --
> 1.7.6.1
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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