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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-24 17:29:11 +0200 |
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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/mpc55xx/esci/esci.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 '')
-rw-r--r-- | c/src/lib/libcpu/powerpc/mpc55xx/esci/esci.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc55xx/esci/esci.c b/c/src/lib/libcpu/powerpc/mpc55xx/esci/esci.c index d8f6c41423..f5467397bd 100644 --- a/c/src/lib/libcpu/powerpc/mpc55xx/esci/esci.c +++ b/c/src/lib/libcpu/powerpc/mpc55xx/esci/esci.c @@ -292,13 +292,12 @@ static int mpc55xx_esci_termios_poll_write( int minor, const char *out, */ static int mpc55xx_esci_termios_write( int minor, const char *out, size_t n) { - mpc55xx_esci_driver_entry *e = &mpc55xx_esci_driver_table [minor]; - rtems_interrupt_level level; + if (n > 0) { + mpc55xx_esci_driver_entry *e = &mpc55xx_esci_driver_table [minor]; - rtems_interrupt_disable(level); - e->regs->DR.B.D = out [0]; - e->transmit_in_progress = true; - rtems_interrupt_enable(level); + e->regs->DR.B.D = out [0]; + e->transmit_in_progress = true; + } return 0; } |