Hello,
I'm writing a driver for a UART that, as is currently intended, will not
use interrupts. Everything I've found online about the serial core, and
using the many functions such as uart_*(), all assume that the UART is
interrupt driven. I will agree that this is probably the way it should
be but I don't have visibility into these decisions presently. It
doesn't use interrupts and I've got to implement a method for polling.
Is there something in the serial core that does this? I see the poll*()
functions listed in Documentation/serial/driver, but these seem to be
relating to a console. There isn't a console at play in this case. The
expected usage is through minicom, or something similar.
uart_update_timeout(port,cflag,baud) seems to be relating with the
serial core and not with the hardware. (Is this true?) Am I simply
going to have to instrument some sort of rudimentary polling through
kernel timers or kernel threads?
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