Felipe Balbi e5b57c037a serial: omap: define helpers for pdata function pointers
this patch is in preparation to a few other changes
which will align on the prototype for function
pointers passed through pdata.

It also helps cleaning up the driver a little by
agregating checks for pdata in a single location.

Tested-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-05 13:26:10 -07:00
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