Minor fixes to PL011 UART

[Zbigniew Bodek]

2014-12-11 0:10 GMT+01:00 Warner Losh <imp at bsdimp.com>:
>
>> On Dec 10, 2014, at 2:14 PM, Zbigniew Bodek <zbb at semihalf.com> wrote:
>>
>> <0001-Fix-some-obvious-mistakes-in-ARM-PL011-UART.patch>
>
> This looks good to me, assuming that the busy bit you are testing is well defined for all implementations of pl011. I’d consider adding the uart_barrier, but it isn’t critical.
>
> Warner

Hello,

Thanks. According to the documentation BUSY bit is common to all
product revisions.

Best regards
zbb