Exemplos de timbuart_tx_chars em C++ (Cpp)

Exemplo n.º 1

Arquivo: timbuart.c Projeto: KaZoom/buildroot-linux-kernel-m3

static void timbuart_handle_tx_port(struct uart_port *port, u32 isr, u32 *ier)
{
	struct timbuart_port *uart =
		container_of(port, struct timbuart_port, port);
	struct circ_buf *xmit = &port->state->xmit;

	if (uart_circ_empty(xmit) || uart_tx_stopped(port))
		return;

	if (port->x_char)
		return;

	if (isr & TXFLAGS) {
		timbuart_tx_chars(port);
		/* clear all TX interrupts */
		iowrite32(TXFLAGS, port->membase + TIMBUART_ISR);

		if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
			uart_write_wakeup(port);
	} else
		/* Re-enable any tx interrupt */
		*ier |= uart->last_ier & TXFLAGS;

	/* enable interrupts if there are chars in the transmit buffer,
	 * Or if we delivered some bytes and want the almost empty interrupt
	 * we wake up the upper layer later when we got the interrupt
	 * to give it some time to go out...
	 */
	if (!uart_circ_empty(xmit))
		*ier |= TXBAE;

	dev_dbg(port->dev, "%s - leaving\n", __func__);
}

Exemplo n.º 2

Arquivo: timbuart.c Projeto: DirtyDroidX/android_kernel_htc_m8ul

static void timbuart_handle_tx_port(struct uart_port *port, u32 isr, u32 *ier)
{
	struct timbuart_port *uart =
		container_of(port, struct timbuart_port, port);
	struct circ_buf *xmit = &port->state->xmit;

	if (uart_circ_empty(xmit) || uart_tx_stopped(port))
		return;

	if (port->x_char)
		return;

	if (isr & TXFLAGS) {
		timbuart_tx_chars(port);
		
		iowrite32(TXFLAGS, port->membase + TIMBUART_ISR);

		if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
			uart_write_wakeup(port);
	} else
		
		*ier |= uart->last_ier & TXFLAGS;

	if (!uart_circ_empty(xmit))
		*ier |= TXBAE;

	dev_dbg(port->dev, "%s - leaving\n", __func__);
}