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Caller takes the lock already.
Also, fixup the poll loop in sunhv_break_ctl(). Just
like in console write, we udelay(2) and use a loop
limit of 1000000 iterations.
Signed-off-by: David S. Miller <davem@davemloft.net>
By calling uart_handle_break(). We'll still do the
"sun_do_break()" handling if the user gives two
breaks in a row.
We should probably do this in the other Sparc serial
drivers too.
Signed-off-by: David S. Miller <davem@davemloft.net>
Until the uart is openned, port->info is NULL.
Also, init the port->irq properly and give a non-zero
port->membase so that the uart device reporting is done.
Signed-off-by: David S. Miller <davem@davemloft.net>
Add udelay to polling console write loop, and increment
the loop limit.
Name the device "ttyHV" and pass that to add_preferred_console()
when we're using hypervisor console.
Kill sunhv_console_setup(), it's empty.
Handle the case where we don't want to use hypervisor console.
(ie. we have a head attached to a sun4v machine)
Signed-off-by: David S. Miller <davem@davemloft.net>
Since it can do things like BREAK and HUP, we implement
this as a serial uart driver.
This still needs interrupt probing code, as I haven't figured
out how interrupts will work or be probed for on SUN4V yet.
Signed-off-by: David S. Miller <davem@davemloft.net>
