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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-05-10 02:21:59 +0400
committerRussell King <rmk@dyn-67.arm.linux.org.uk>2005-05-10 02:21:59 +0400
commit05ab3014636ff60a319d37cdf37dca594b015eec (patch)
treed9d948a5ecd5e10cd511ebca328df2ef08d5e076 /drivers/serial/amba-pl011.c
parent88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff)
downloadlinux-05ab3014636ff60a319d37cdf37dca594b015eec.tar.xz
[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/amba-pl011.c')
-rw-r--r--drivers/serial/amba-pl011.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index d5cbef3fe8b6..7db88ee18f75 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -163,18 +163,8 @@ pl011_rx_chars(struct uart_amba_port *uap)
if (uart_handle_sysrq_char(&uap->port, ch, regs))
goto ignore_char;
- if ((rsr & uap->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
- }
- if ((rsr & UART01x_RSR_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(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
+
ignore_char:
status = readw(uap->port.membase + UART01x_FR);
}