OMAP2+: PM/serial: hold console semaphore while OMAP UARTs are disabled

[Tony Lindgren]

* Kevin Hilman <khilman at deeprootsystems.com> [101124 16:32]:
> Paul Walmsley <paul at pwsan.com> writes:

<snip>

> Acked-by: Kevin Hilman <khilman at deeprootsystems.com>
> 
> Very nice.  I've been exploring various solutions to this problem as
> well, but this one is much cleaner.  Also, I hadn't discovered the 'try'
> version of the console semaphore, so was running into recursive locking.
> 
> Anyways, tested on omap35xx: omap3evm (uart1/core console) and beagle
> (uart3/per console) and omap34xx/n900 (uart3/per console) using both
> retention-idle and off-idle.

Thanks, queuing this as fix for the -rc cycle.

Tony