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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-05-09 23:21:59 +0100
committerRussell King <rmk@dyn-67.arm.linux.org.uk>2005-05-09 23:21:59 +0100
commit05ab3014636ff60a319d37cdf37dca594b015eec (patch)
treed9d948a5ecd5e10cd511ebca328df2ef08d5e076 /drivers/serial/pxa.c
parent88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff)
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[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.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index 51d8a49f4477..9dc151d8fa61 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));