[PATCH v4 1/2] serial: rewrite pxa2xx-uart to use 8250_core

Robert Jarzmik robert.jarzmik at free.fr
Sat Dec 19 04:45:21 PST 2015

Sergei Ianovich <ynvich at gmail.com> writes:

> 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>
> Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Tested-by: Robert Jarzmik <robert.jarzmik at free.fr>

I was wondering if this should go through pxa tree, or through serial tree ?



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