serial/arc-uart: switch to devicetree based probing

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* DT binding for arc-uart
* With alll the bits in place we can now use DT probing.

Note that there's a bit of kludge right now because earlyprintk portion
of driver can't use the DT infrastrcuture to get resoures/plat_data.
This requires some infrastructre changes to of_flat_ framework

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@linux.intel.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Vineet Gupta 2013-01-11 11:50:23 +05:30 • committed by Greg Kroah-Hartman

parent d6c0d06b34

commit ea28fd56fc

2 changed files with 66 additions and 3 deletions

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26

Documentation/devicetree/bindings/tty/serial/arc-uart.txt

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43

drivers/tty/serial/arc_uart.c

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