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bsp/gen5200: Simplify interrupt write support

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This commit is contained in:
Sebastian Huber
2015-06-23 14:20:11 +02:00
parent cdf30f0550
commit df8341ae30
1 changed files with 8 additions and 7 deletions
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15
c/src/lib/libbsp/powerpc/gen5200/console/console.c
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@@ -327,11 +327,6 @@ static void mpc5200_psc_interrupt_handler(rtems_irq_hdl_param handle)
if (isr & ISR_TX_RDY & channel_info[minor].shadow_imr) {
channel_info[minor].tx_interrupts++;
/*
* mask interrupt
*/
psc->isr_imr = channel_info[minor].shadow_imr &= ~(IMR_TX_RDY);
if (ttyp[minor] != NULL) {
#ifndef SINGLE_CHAR_MODE
rtems_termios_dequeue_characters(
@@ -581,11 +576,12 @@ static ssize_t mpc5200_uart_write(
size_t len
)
{
struct mpc5200_psc *psc =
(struct mpc5200_psc *)(&mpc5200.psc[psc_minor_to_regset[minor]]);
if (len > 0) {
int frame_len = len;
const char *frame_buf = buf;
struct mpc5200_psc *psc =
(struct mpc5200_psc *)(&mpc5200.psc[psc_minor_to_regset[minor]]);
/*
* Check tx fifo space
@@ -609,6 +605,11 @@ static ssize_t mpc5200_uart_write(
* unmask interrupt
*/
psc->isr_imr = channel_info[minor].shadow_imr |= IMR_TX_RDY;
} else {
/*
* mask interrupt
*/
psc->isr_imr = channel_info[minor].shadow_imr &= ~(IMR_TX_RDY);
}
return 0;