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Re: [Xen-devel] [PATCH v3 3/3] xen/arm: Introduce support for Renesas R-Car Gen2 platform

Hi Oleksandr,

On 30/01/15 15:38, Oleksandr Tyshchenko wrote:
> For example, such a simple thing as a formula for calculating divider
> value for uart baudrate can differs from one family to
> another despite the fact that these families use the same UART IP
> block named SCIF (clock may be differs - ext/int, another freq).
> Or FIFO size, etc.

IHMO this look more configuration than logic change in the UART driver.
We don't ask you to support all the configuration of the UART right now
;). However, if someone comes with a new platform using the SCIF, I
expect him to reuse and fix this driver rather than creating a new one.

FWIW, the compatible string is "renesas,scif" not rcar smth. So, SCIF
sounds a better name for this UART.


Julien Grall

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