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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/amba-pl010.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/amba-pl010.c')
| -rw-r--r-- | drivers/serial/amba-pl010.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index f2a5e2933c47..2884b310e54d 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -198,18 +198,8 @@ pl010_rx_chars(struct uart_port *port) if (uart_handle_sysrq_char(port, ch, regs)) goto ignore_char; - if ((rsr & 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(port, rsr, UART01x_RSR_OE, ch, flag); + ignore_char: status = UART_GET_FR(port); } |