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termios: Update due to API changes

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Termios notifies now the driver about an inactive transmit with the
length argument set to zero.
This commit is contained in:
Sebastian Huber
2013-06-24 17:29:11 +02:00
parent 1df348b960
commit e18db9f0cf
28 changed files with 254 additions and 270 deletions
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11
c/src/lib/libcpu/powerpc/mpc55xx/esci/esci.c
View File

@@ -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;
}

9
c/src/lib/libcpu/powerpc/mpc5xx/console-generic/console-generic.c
View File

@@ -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;
}

13
c/src/lib/libcpu/powerpc/mpc8260/console-generic/console-generic.c
View File

@@ -1090,12 +1090,15 @@ m8xx_uart_write(
size_t len
)
{
while( (TxBd[minor]->status) & M8260_BD_READY );
if (len > 0) {
while( (TxBd[minor]->status) & M8260_BD_READY );
rtems_cache_flush_multiple_data_lines( buf, len );
TxBd[minor]->buffer = (char *) buf;
TxBd[minor]->length = len;
TxBd[minor]->status = M8260_BD_READY | M8260_BD_WRAP | M8260_BD_INTERRUPT;
}
rtems_cache_flush_multiple_data_lines( buf, len );
TxBd[minor]->buffer = (char *) buf;
TxBd[minor]->length = len;
TxBd[minor]->status = M8260_BD_READY | M8260_BD_WRAP | M8260_BD_INTERRUPT;
return 0;
}

7
c/src/lib/libcpu/powerpc/ppc403/console/console.c
View File

@@ -271,8 +271,11 @@ spiPollRead (int minor)
static int
spiInterruptWrite (int minor, const char *buf, int len)
{
port->SPTB = *buf; /* write char to send */
port->SPTC |= TCRIntEnabled; /* always enable tx interrupt */
if (len > 0) {
port->SPTB = *buf; /* write char to send */
port->SPTC |= TCRIntEnabled; /* always enable tx interrupt */
}
return 0;
}

7
c/src/lib/libcpu/powerpc/ppc403/console/console405.c
View File

@@ -296,8 +296,11 @@ spiStopRemoteTx (int minor)
static ssize_t InterruptWrite (int minor, const char *buf, size_t len)
{
port->IER |= IER_XMT; /* always enable tx interrupt */
port->THR = *buf; /* write char to send */
if (len > 0) {
port->IER |= IER_XMT; /* always enable tx interrupt */
port->THR = *buf; /* write char to send */
}
return 0;
}