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    SubjectRe: [PATCH v3 01/21 resend] serial: rewrite pxa2xx-uart to use 8250_core
    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@gmail.com>
    > Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
    > Reviewed-by: James Cameron <quozl@laptop.org>
    > CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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


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