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-rw-r--r--arch/arm/mach-omap2/dpll3xxx.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
index 3aed4b0b9563..6e9873ff1844 100644
--- a/arch/arm/mach-omap2/dpll3xxx.c
+++ b/arch/arm/mach-omap2/dpll3xxx.c
@@ -480,20 +480,22 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
480 if (!dd) 480 if (!dd)
481 return -EINVAL; 481 return -EINVAL;
482 482
483 __clk_prepare(dd->clk_bypass);
484 clk_enable(dd->clk_bypass);
485 __clk_prepare(dd->clk_ref);
486 clk_enable(dd->clk_ref);
487
488 if (__clk_get_rate(dd->clk_bypass) == rate && 483 if (__clk_get_rate(dd->clk_bypass) == rate &&
489 (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) { 484 (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
490 pr_debug("%s: %s: set rate: entering bypass.\n", 485 pr_debug("%s: %s: set rate: entering bypass.\n",
491 __func__, __clk_get_name(hw->clk)); 486 __func__, __clk_get_name(hw->clk));
492 487
488 __clk_prepare(dd->clk_bypass);
489 clk_enable(dd->clk_bypass);
493 ret = _omap3_noncore_dpll_bypass(clk); 490 ret = _omap3_noncore_dpll_bypass(clk);
494 if (!ret) 491 if (!ret)
495 new_parent = dd->clk_bypass; 492 new_parent = dd->clk_bypass;
493 clk_disable(dd->clk_bypass);
494 __clk_unprepare(dd->clk_bypass);
496 } else { 495 } else {
496 __clk_prepare(dd->clk_ref);
497 clk_enable(dd->clk_ref);
498
497 if (dd->last_rounded_rate != rate) 499 if (dd->last_rounded_rate != rate)
498 rate = __clk_round_rate(hw->clk, rate); 500 rate = __clk_round_rate(hw->clk, rate);
499 501
@@ -514,6 +516,8 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
514 ret = omap3_noncore_dpll_program(clk, freqsel); 516 ret = omap3_noncore_dpll_program(clk, freqsel);
515 if (!ret) 517 if (!ret)
516 new_parent = dd->clk_ref; 518 new_parent = dd->clk_ref;
519 clk_disable(dd->clk_ref);
520 __clk_unprepare(dd->clk_ref);
517 } 521 }
518 /* 522 /*
519 * FIXME - this is all wrong. common code handles reparenting and 523 * FIXME - this is all wrong. common code handles reparenting and
@@ -525,11 +529,6 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
525 if (!ret) 529 if (!ret)
526 __clk_reparent(hw->clk, new_parent); 530 __clk_reparent(hw->clk, new_parent);
527 531
528 clk_disable(dd->clk_ref);
529 __clk_unprepare(dd->clk_ref);
530 clk_disable(dd->clk_bypass);
531 __clk_unprepare(dd->clk_bypass);
532
533 return 0; 532 return 0;
534} 533}
535 534