diff options
author | James Bottomley <jejb@titanic.(none)> | 2005-05-20 15:27:44 -0500 |
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committer | James Bottomley <jejb@titanic.(none)> | 2005-05-20 15:27:44 -0500 |
commit | ad34ea2cc3845ef4dcd7d12fb0fa8484734bd672 (patch) | |
tree | ad434400f5ecaa33b433c8f830e40792d8d6c05c /drivers/serial/clps711x.c | |
parent | 90356ac3194bf91a441a5f9c3067af386ef62462 (diff) | |
parent | 88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff) |
merge by hand - fix up rejections in Documentation/DocBook/Makefile
Diffstat (limited to 'drivers/serial/clps711x.c')
-rw-r--r-- | drivers/serial/clps711x.c | 65 |
1 files changed, 27 insertions, 38 deletions
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c index 16592fae47f..6242f3090a9 100644 --- a/drivers/serial/clps711x.c +++ b/drivers/serial/clps711x.c @@ -116,54 +116,43 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *re * Note that the error handling code is * out of the main execution path */ - if (ch & UART_ANY_ERR) - goto handle_error; + if (unlikely(ch & UART_ANY_ERR)) { + if (ch & UARTDR_PARERR) + port->icount.parity++; + else if (ch & UARTDR_FRMERR) + port->icount.frame++; + if (ch & UARTDR_OVERR) + port->icount.overrun++; - if (uart_handle_sysrq_char(port, ch, regs)) - goto ignore_char; + ch &= port->read_status_mask; - error_return: - tty_insert_flip_char(tty, ch, flg); - ignore_char: - status = clps_readl(SYSFLG(port)); - } - out: - tty_flip_buffer_push(tty); - return IRQ_HANDLED; + if (ch & UARTDR_PARERR) + flg = TTY_PARITY; + else if (ch & UARTDR_FRMERR) + flg = TTY_FRAME; - handle_error: - if (ch & UARTDR_PARERR) - port->icount.parity++; - else if (ch & UARTDR_FRMERR) - port->icount.frame++; - if (ch & UARTDR_OVERR) - port->icount.overrun++; - - if (ch & port->ignore_status_mask) { - if (++ignored > 100) - goto out; - goto ignore_char; - } - ch &= port->read_status_mask; +#ifdef SUPPORT_SYSRQ + port->sysrq = 0; +#endif + } - if (ch & UARTDR_PARERR) - flg = TTY_PARITY; - else if (ch & UARTDR_FRMERR) - flg = TTY_FRAME; + if (uart_handle_sysrq_char(port, ch, regs)) + goto ignore_char; - if (ch & UARTDR_OVERR) { /* * CHECK: does overrun affect the current character? * ASSUMPTION: it does not. */ - tty_insert_flip_char(tty, ch, flg); - ch = 0; - flg = TTY_OVERRUN; + if ((ch & port->ignore_status_mask & ~RXSTAT_OVERRUN) == 0) + tty_insert_flip_char(tty, ch, flg); + if ((ch & ~port->ignore_status_mask & RXSTAT_OVERRUN) == 0) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); + + ignore_char: + status = clps_readl(SYSFLG(port)); } -#ifdef SUPPORT_SYSRQ - port->sysrq = 0; -#endif - goto error_return; + tty_flip_buffer_push(tty); + return IRQ_HANDLED; } static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id, struct pt_regs *regs) |