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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/21285.c | |
| parent | 88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff) | |
| download | lwn-05ab3014636ff60a319d37cdf37dca594b015eec.tar.gz lwn-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/21285.c')
| -rw-r--r-- | drivers/serial/21285.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c index 33fbda79f350..0b10169961eb 100644 --- a/drivers/serial/21285.c +++ b/drivers/serial/21285.c @@ -126,18 +126,8 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *r flag = TTY_FRAME; } - if ((rxs & port->ignore_status_mask) == 0) { - tty_insert_flip_char(tty, ch, flag); - } - if ((rxs & RXSTAT_OVERRUN) && - 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(port, rxs, RXSTAT_OVERRUN, ch, flag); + status = *CSR_UARTFLG; } tty_flip_buffer_push(tty); |