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

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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 <nm@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Nishanth Menon 2014-02-28 12:43:47 -07:00 committed by Paul Walmsley
parent 0cc1d9446e
commit 110e884d82
1 changed files with 1 additions and 1 deletions
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arch/arm/mach-omap2/dpll3xxx.c
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@ -525,7 +525,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
* stuff is inherited for free * stuff is inherited for free
*/ */
if (!ret) if (!ret && clk_get_parent(hw->clk) != new_parent)
__clk_reparent(hw->clk, new_parent); __clk_reparent(hw->clk, new_parent);
return 0; return 0;