diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mcf52235/console/console.c')
-rw-r--r-- | c/src/lib/libbsp/m68k/mcf52235/console/console.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf52235/console/console.c b/c/src/lib/libbsp/m68k/mcf52235/console/console.c index b0ac4f9949..0b508c5f75 100644 --- a/c/src/lib/libbsp/m68k/mcf52235/console/console.c +++ b/c/src/lib/libbsp/m68k/mcf52235/console/console.c @@ -341,18 +341,15 @@ static void IntUartInitialize(void) ***************************************************************************/ static ssize_t IntUartInterruptWrite(int minor, const char *buf, size_t len) { - int level; - - rtems_interrupt_disable(level); + if (len > 0) { + /* write out character */ + MCF_UART_UTB(minor) = *buf; - /* write out character */ - MCF_UART_UTB(minor) = *buf; - - /* enable tx interrupt */ - IntUartInfo[minor].uimr |= MCF_UART_UIMR_TXRDY; - MCF_UART_UIMR(minor) = IntUartInfo[minor].uimr; + /* enable tx interrupt */ + IntUartInfo[minor].uimr |= MCF_UART_UIMR_TXRDY; + MCF_UART_UIMR(minor) = IntUartInfo[minor].uimr; + } - rtems_interrupt_enable(level); return (0); } |