[PATCH] Revert "serial/amba-pl011: Leave the TX IRQ alone when the UART is not open"

[Greg Kroah-Hartman]

On Thu, May 07, 2015 at 11:59:47AM +0100, Dave Martin wrote:
> Calling serial maintainers...
> 
> Please consider the following commit for merging in v4.1.
> 
> f28c1d0a78a8c6a217ac5362cb719efa169ae2a7 Revert "serial/amba-pl011: Leave the TX IRQ alone when the UART is not open"
> 
> This backs out a misguided optimisation that is causing pl011 driver
> deadlocks for some people in certain scenarios (my bad).
> 
> The revert is self-contained and independent of the other changes I
> posted.
> 
> Thanks
> ---Dave
> 
> 
> Original commit message:
> 
> This reverts commit f2ee6dfa0e8597eea8b98d240b0033994e20d215.

Please send this in a format I can apply it in...