[PATCH] drivers: char: hvc: add arm JTAG DCC console support

[Stephen Boyd]

On 12/01/2010 12:20 PM, Stephen Boyd wrote:
> Definitely for TX since it seems like a redundant loop, but I agree RX
> code has changed. Instead of
>
> If RX buffer full
> Poll for RX buffer full
> Read character from RX buffer
>
> we would have
>
> If RX buffer full
> Read character from RX buffer
>
> which doesn't seem all that different assuming the RX buffer doesn't go
> from full to empty between the If and Poll steps. Hopefully Tony knows more.
>

Tony, any thoughts?

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