C++ (Cpp) pnx8xxx_tx_chars Examples

Example #1

File: pnx8xxx_uart.c Project: DirtyDroidX/android_kernel_htc_m8ul

static irqreturn_t pnx8xxx_int(int irq, void *dev_id)
{
	struct pnx8xxx_port *sport = dev_id;
	unsigned int status;

	spin_lock(&sport->port.lock);
	
	status  = serial_in(sport, PNX8XXX_ISTAT) & serial_in(sport, PNX8XXX_IEN);

	
	if (status & (PNX8XXX_UART_INT_RX | PNX8XXX_UART_INT_BREAK))
		pnx8xxx_rx_chars(sport);

	
	if (status & PNX8XXX_UART_INT_TX)
		pnx8xxx_tx_chars(sport);

	
	serial_out(sport, PNX8XXX_ICLR, status);

	spin_unlock(&sport->port.lock);
	return IRQ_HANDLED;
}

Example #2

File: pnx8xxx_uart.c Project: nos1609/Chrono_Kernel-1

static irqreturn_t pnx8xxx_int(int irq, void *dev_id)
{
	struct pnx8xxx_port *sport = dev_id;
	unsigned int status;

	spin_lock(&sport->port.lock);
	/* Get the interrupts */
	status  = serial_in(sport, PNX8XXX_ISTAT) & serial_in(sport, PNX8XXX_IEN);

	/* Byte or break signal received */
	if (status & (PNX8XXX_UART_INT_RX | PNX8XXX_UART_INT_BREAK))
		pnx8xxx_rx_chars(sport);

	/* TX holding register empty - transmit a byte */
	if (status & PNX8XXX_UART_INT_TX)
		pnx8xxx_tx_chars(sport);

	/* Clear the ISTAT register */
	serial_out(sport, PNX8XXX_ICLR, status);

	spin_unlock(&sport->port.lock);
	return IRQ_HANDLED;
}