[U-Boot] [U-Boot, v3, 02/13] ns16550: change map_sysmem to map_physmem

Tom Rini
2015-11-22T15:52:34Z

On Thu, Nov 19, 2015 at 09:48:04PM +0800, Thomas Chou wrote:

> Change map_sysmem() to map_physmem(,,MAP_NOCACHE). Though map_sysmem()
> can be used to map system memory, it might be wrong to use it for I/O
> ports. The map_physmem() serves the same purpose to translate physical
> address to virtual address with the additional flag to take care of cache
> property. Most drivers use map_physmem() since I/O ports access should be
> uncached. As ns16550 is a driver, it should use map_physmem() rather
> than map_sysmem().
>
> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
> Acked-by: Simon Glass <sjg@chromium.org>

Applied to u-boot/master, thanks!

--
Tom
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