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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-05-09 23:21:59 +0100 |
|---|---|---|
| committer | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-05-09 23:21:59 +0100 |
| commit | 05ab3014636ff60a319d37cdf37dca594b015eec (patch) | |
| tree | d9d948a5ecd5e10cd511ebca328df2ef08d5e076 /drivers/serial/pxa.c | |
| parent | 88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff) | |
| download | kernel-crypto-05ab3014636ff60a319d37cdf37dca594b015eec.tar.gz kernel-crypto-05ab3014636ff60a319d37cdf37dca594b015eec.tar.xz kernel-crypto-05ab3014636ff60a319d37cdf37dca594b015eec.zip | |
[PATCH] Serial: Add uart_insert_char()
Add uart_insert_char(), which handles inserting characters into the
flip buffer. This helper function handles the correct semantics
for handling overrun in addition to inserting normal characters.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/pxa.c')
| -rw-r--r-- | drivers/serial/pxa.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index 51d8a49f447..9dc151d8fa6 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -161,20 +161,12 @@ receive_chars(struct uart_pxa_port *up, int *status, struct pt_regs *regs) else if (*status & UART_LSR_FE) flag = TTY_FRAME; } + if (uart_handle_sysrq_char(&up->port, ch, regs)) goto ignore_char; - if ((*status & up->port.ignore_status_mask) == 0) { - tty_insert_flip_char(tty, ch, flag); - } - if ((*status & UART_LSR_OE) && - tty->flip.count < TTY_FLIPBUF_SIZE) { - /* - * Overrun is special, since it's reported - * immediately, and doesn't affect the current - * character. - */ - tty_insert_flip_char(tty, 0, TTY_OVERRUN); - } + + uart_insert_char(&up->port, *status, UART_LSR_OE, ch, flag); + ignore_char: *status = serial_in(up, UART_LSR); } while ((*status & UART_LSR_DR) && (max_count-- > 0)); |