diff options
| author | Denis Vlasenko <vda@ilport.com.ua> | 2005-06-06 22:35:55 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-06 23:42:23 +0200 |
| commit | 3399ba5b70eccc918ea4ab2630cac68f5c8ff845 (patch) | |
| tree | 8bc0679962247a65012a2e39d137df4cd9e21d82 /drivers/char/mxser.c | |
| parent | [PATCH] broken fault_in_pages_readable call in generic_file_buffered_write() (diff) | |
| download | linux-3399ba5b70eccc918ea4ab2630cac68f5c8ff845.tar.xz linux-3399ba5b70eccc918ea4ab2630cac68f5c8ff845.zip | |
[PATCH] moxa: do not ignore input
Stop using tty internal structure in mxser_receive_chars(), use
tty_insert_flip_char(tty, ch flag); instead.
Without this change driver ignores any rx'ed chars.
Run tested.
Cc: Alan Cox <alan@redhat.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/mxser.c')
| -rw-r--r-- | drivers/char/mxser.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 7a245068e3e5..f022f0944434 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -1995,9 +1995,6 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) unsigned char ch, gdl; int ignored = 0; int cnt = 0; - unsigned char *cp; - char *fp; - int count; int recv_room; int max = 256; unsigned long flags; @@ -2011,10 +2008,6 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) //return; } - cp = tty->flip.char_buf; - fp = tty->flip.flag_buf; - count = 0; - // following add by Victor Yu. 09-02-2002 if (info->IsMoxaMustChipFlag != MOXA_OTHER_UART) { @@ -2041,12 +2034,10 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) } while (gdl--) { ch = inb(info->base + UART_RX); - count++; - *cp++ = ch; - *fp++ = 0; + tty_insert_flip_char(tty, ch, 0); cnt++; /* - if((count>=HI_WATER) && (info->stop_rx==0)){ + if((cnt>=HI_WATER) && (info->stop_rx==0)){ mxser_stoprx(tty); info->stop_rx=1; break; @@ -2061,7 +2052,7 @@ intr_old: if (max-- < 0) break; /* - if((count>=HI_WATER) && (info->stop_rx==0)){ + if((cnt>=HI_WATER) && (info->stop_rx==0)){ mxser_stoprx(tty); info->stop_rx=1; break; @@ -2078,36 +2069,33 @@ intr_old: if (++ignored > 100) break; } else { - count++; + char flag = 0; if (*status & UART_LSR_SPECIAL) { if (*status & UART_LSR_BI) { - *fp++ = TTY_BREAK; + flag = TTY_BREAK; /* added by casper 1/11/2000 */ info->icount.brk++; - /* */ if (info->flags & ASYNC_SAK) do_SAK(tty); } else if (*status & UART_LSR_PE) { - *fp++ = TTY_PARITY; + flag = TTY_PARITY; /* added by casper 1/11/2000 */ info->icount.parity++; /* */ } else if (*status & UART_LSR_FE) { - *fp++ = TTY_FRAME; + flag = TTY_FRAME; /* added by casper 1/11/2000 */ info->icount.frame++; /* */ } else if (*status & UART_LSR_OE) { - *fp++ = TTY_OVERRUN; + flag = TTY_OVERRUN; /* added by casper 1/11/2000 */ info->icount.overrun++; /* */ - } else - *fp++ = 0; - } else - *fp++ = 0; - *cp++ = ch; + } + } + tty_insert_flip_char(tty, ch, flag); cnt++; if (cnt >= recv_room) { if (!info->ldisc_stop_rx) { @@ -2132,13 +2120,13 @@ intr_old: // above add by Victor Yu. 09-02-2002 } while (*status & UART_LSR_DR); - end_intr: // add by Victor Yu. 09-02-2002 +end_intr: // add by Victor Yu. 09-02-2002 mxvar_log.rxcnt[info->port] += cnt; info->mon_data.rxcnt += cnt; info->mon_data.up_rxcnt += cnt; spin_unlock_irqrestore(&info->slock, flags); - + tty_flip_buffer_push(tty); } |