diff options
Diffstat (limited to 'drivers/serial/cpm_uart/cpm_uart_core.c')
-rw-r--r-- | drivers/serial/cpm_uart/cpm_uart_core.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index 43f58dc69fc..abe129cc927 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -491,6 +491,11 @@ static void cpm_uart_set_termios(struct uart_port *port, } /* + * Update the timeout + */ + uart_update_timeout(port, termios->c_cflag, baud); + + /* * Set up parity check flag */ #define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) @@ -938,6 +943,7 @@ static int cpm_uart_init_port(struct device_node *np, pinfo->port.type = PORT_CPM; pinfo->port.ops = &cpm_uart_pops, pinfo->port.iotype = UPIO_MEM; + pinfo->port.fifosize = pinfo->tx_nrfifos * pinfo->tx_fifosize; spin_lock_init(&pinfo->port.lock); pinfo->port.irq = of_irq_to_resource(np, 0, NULL); @@ -969,6 +975,14 @@ static void cpm_uart_console_write(struct console *co, const char *s, unsigned int i; cbd_t __iomem *bdp, *bdbase; unsigned char *cp; + unsigned long flags; + int nolock = oops_in_progress; + + if (unlikely(nolock)) { + local_irq_save(flags); + } else { + spin_lock_irqsave(&pinfo->port.lock, flags); + } /* Get the address of the host memory buffer. */ @@ -1030,6 +1044,12 @@ static void cpm_uart_console_write(struct console *co, const char *s, ; pinfo->tx_cur = bdp; + + if (unlikely(nolock)) { + local_irq_restore(flags); + } else { + spin_unlock_irqrestore(&pinfo->port.lock, flags); + } } |