diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-01-16 10:09:10 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-01-16 10:09:10 +0100 |
commit | af2519fb2298cdf7540082c36f4d8c66bbff103f (patch) | |
tree | 1d290d28d42d42f9e693457762c4008988628060 /drivers/serial/pnx8xxx_uart.c | |
parent | 961d7d0ee5150e0197cc81c2a8884ecb230276e2 (diff) | |
parent | 7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff) |
Merge branch 'linus' into core/iommu
Conflicts:
arch/ia64/include/asm/dma-mapping.h
arch/ia64/include/asm/machvec.h
arch/ia64/include/asm/machvec_sn2.h
Diffstat (limited to 'drivers/serial/pnx8xxx_uart.c')
-rw-r--r-- | drivers/serial/pnx8xxx_uart.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c index 22e30d21225..1bb8f1b4576 100644 --- a/drivers/serial/pnx8xxx_uart.c +++ b/drivers/serial/pnx8xxx_uart.c @@ -187,7 +187,7 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport) status = FIFO_TO_SM(serial_in(sport, PNX8XXX_FIFO)) | ISTAT_TO_SM(serial_in(sport, PNX8XXX_ISTAT)); while (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFIFO)) { - ch = serial_in(sport, PNX8XXX_FIFO); + ch = serial_in(sport, PNX8XXX_FIFO) & 0xff; sport->port.icount.rx++; @@ -198,9 +198,16 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport) * out of the main execution path */ if (status & (FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE | - PNX8XXX_UART_FIFO_RXPAR) | + PNX8XXX_UART_FIFO_RXPAR | + PNX8XXX_UART_FIFO_RXBRK) | ISTAT_TO_SM(PNX8XXX_UART_INT_RXOVRN))) { - if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR)) + if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXBRK)) { + status &= ~(FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE) | + FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR)); + sport->port.icount.brk++; + if (uart_handle_break(&sport->port)) + goto ignore_char; + } else if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR)) sport->port.icount.parity++; else if (status & FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE)) sport->port.icount.frame++; @@ -284,14 +291,8 @@ static irqreturn_t pnx8xxx_int(int irq, void *dev_id) /* Get the interrupts */ status = serial_in(sport, PNX8XXX_ISTAT) & serial_in(sport, PNX8XXX_IEN); - /* Break signal received */ - if (status & PNX8XXX_UART_INT_BREAK) { - sport->port.icount.brk++; - uart_handle_break(&sport->port); - } - - /* Byte received */ - if (status & PNX8XXX_UART_INT_RX) + /* Byte or break signal received */ + if (status & (PNX8XXX_UART_INT_RX | PNX8XXX_UART_INT_BREAK)) pnx8xxx_rx_chars(sport); /* TX holding register empty - transmit a byte */ |