From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Wed, 5 Feb 2014 03:04:08 -0600 Subject: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done Message-ID: <1391591048-19433-1-git-send-email-nm@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- arch/arm/mach-omap2/dpll3xxx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c index 3185ced..d9bcbf7 100644 --- a/arch/arm/mach-omap2/dpll3xxx.c +++ b/arch/arm/mach-omap2/dpll3xxx.c @@ -525,7 +525,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate, * stuff is inherited for free */ - if (!ret) + if (!ret && clk_get_parent(hw->clk) != new_parent) __clk_reparent(hw->clk, new_parent); return 0; -- 1.7.9.5