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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-24 17:29:11 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-25 17:03:21 +0200 |
| commit | e18db9f0cffcb143e5fdec27539efb417cb4ebf3 (patch) | |
| tree | 804edba552541bea8d5ea5c38680903373bf6c27 /c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c | |
| parent | bsps/arm: Rename function (diff) | |
| download | rtems-e18db9f0cffcb143e5fdec27539efb417cb4ebf3.tar.bz2 | |
termios: Update due to API changes
Termios notifies now the driver about an inactive transmit with the
length argument set to zero.
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c b/c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c index f3e7ff081e..8f56c708a5 100644 --- a/c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c +++ b/c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c @@ -144,10 +144,13 @@ ssize_t m5xx_uart_write( size_t len ) { - volatile m5xxSCIRegisters_t *regs = sci_descs[minor].regs; + if (len > 0) { + volatile m5xxSCIRegisters_t *regs = sci_descs[minor].regs; + + regs->scdr = *buf; /* start transmission */ + regs->sccr1 |= QSMCM_SCI_TIE; /* enable interrupt */ + } - regs->scdr = *buf; /* start transmission */ - regs->sccr1 |= QSMCM_SCI_TIE; /* enable interrupt */ return 0; } |