[PATCH v3 01/21 resend] serial: rewrite pxa2xx-uart to use 8250_core

[Greg Kroah-Hartman]

On Tue, Dec 17, 2013 at 11:37:31PM +0400, Sergei Ianovich wrote:
> pxa2xx-uart was a separate uart platform driver. It was declaring
> the same device names and numbers as 8250 driver. As a result,
> it was impossible to use 8250 driver on PXA SoCs.
> 
> Upon closer examination pxa2xx-uart turned out to be a clone of
> 8250_core driver.
> 
> Workaround for Erratum #19 according to Marvel(R) PXA270M Processor
> Specification Update (April 19, 2010) is dropped. 8250_core reads
> from FIFO immediately after checking DR bit in LSR.
> 
> Signed-off-by: Sergei Ianovich <ynvich at gmail.com>
> Reviewed-by: Heikki Krogerus <heikki.krogerus at linux.intel.com>
> Reviewed-by: James Cameron <quozl at laptop.org>
> CC: Greg Kroah-Hartman <gregkh at linuxfoundation.org>

Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>