forked from Minki/linux
TTY: serial, remove dead code from 68328
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@suse.cz> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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55956216f4
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2c16a35310
@ -235,22 +235,6 @@ static void batten_down_hatches(void)
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static void status_handle(struct m68k_serial *info, unsigned short status)
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{
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#if 0
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if(status & DCD) {
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if((info->port.tty->termios->c_cflag & CRTSCTS) &&
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((info->curregs[3] & AUTO_ENAB)==0)) {
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info->curregs[3] |= AUTO_ENAB;
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info->pendregs[3] |= AUTO_ENAB;
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write_zsreg(info->m68k_channel, 3, info->curregs[3]);
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}
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} else {
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if((info->curregs[3] & AUTO_ENAB)) {
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info->curregs[3] &= ~AUTO_ENAB;
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info->pendregs[3] &= ~AUTO_ENAB;
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write_zsreg(info->m68k_channel, 3, info->curregs[3]);
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}
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}
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#endif
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/* If this is console input and this is a
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* 'break asserted' status change interrupt
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* see if we can drop into the debugger
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@ -340,9 +324,6 @@ static void transmit_chars(struct m68k_serial *info)
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info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE-1);
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info->xmit_cnt--;
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if (info->xmit_cnt < WAKEUP_CHARS)
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schedule_work(&info->tqueue);
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if(info->xmit_cnt <= 0) {
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/* All done for now... TX ints off */
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uart->ustcnt &= ~USTCNT_TX_INTR_MASK;
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@ -378,21 +359,6 @@ irqreturn_t rs_interrupt(int irq, void *dev_id)
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return IRQ_HANDLED;
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}
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static void do_softint(struct work_struct *work)
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{
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struct m68k_serial *info = container_of(work, struct m68k_serial, tqueue);
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struct tty_struct *tty;
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tty = info->tty;
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if (!tty)
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return;
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#if 0
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if (clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
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tty_wakeup(tty);
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}
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#endif
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}
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static int startup(struct m68k_serial * info)
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{
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m68328_uart *uart = &uart_addr[info->line];
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@ -1324,7 +1290,6 @@ rs68328_init(void)
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info->event = 0;
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info->count = 0;
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info->blocked_open = 0;
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INIT_WORK(&info->tqueue, do_softint);
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init_waitqueue_head(&info->open_wait);
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init_waitqueue_head(&info->close_wait);
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info->line = i;
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@ -158,7 +158,6 @@ struct m68k_serial {
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int xmit_head;
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int xmit_tail;
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int xmit_cnt;
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struct work_struct tqueue;
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wait_queue_head_t open_wait;
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wait_queue_head_t close_wait;
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};
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