ARM: OMAP3+: DPLL: stop reparenting to same parent if already done
ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
for every call that takes place. This is an can be done only if a change
is detected.

Signed-off-by: Nishanth Menon <50c3c575ce2bb12c45e20736ce59e86fe81915b4@ti.com>
Acked-by: Tero Kristo <060a12f1fbc7e2e5d830b72f402ff04fdae8d312@ti.com>
Signed-off-by: Paul Walmsley <a027184a55211cd23e3f3094f1fdc728df5e0500@pwsan.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs