On Mon, Sep 10, 2012 at 12:17:02PM +0100, Alan Cox wrote:
[...]
> > +static void pl011_clear_irqs(struct uart_port *port)
> > +{
> > + struct uart_amba_port *uap = (struct uart_amba_port *)port;
> > + unsigned char __iomem *regs = uap->port.membase;
> > +
> > + writew(readw(regs + UART011_MIS
On Sun, 9 Sep 2012 21:14:04 -0700
Anton Vorontsov wrote:
> It's all pretty straightforward, except for TXIM interrupt. The interrupt
> has meaning "ready to transmit", so it's almost always raised, and the
> only way to silence it is to mask it. But that's OK, ops->start_tx will
> unmask it.
>
>
It's all pretty straightforward, except for TXIM interrupt. The interrupt
has meaning "ready to transmit", so it's almost always raised, and the
only way to silence it is to mask it. But that's OK, ops->start_tx will
unmask it.
Signed-off-by: Anton Vorontsov
---
drivers/tty/serial/amba-pl011.c |
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