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authorIngo Molnar <mingo@elte.hu>2009-02-22 14:05:19 -0500
committerIngo Molnar <mingo@elte.hu>2009-02-22 14:05:19 -0500
commitfc6fc7f1b1095b92d4834e69b385b91e412a7ce5 (patch)
tree2ad451d5dac4d460830536944cef1de93be36b2a /arch/arm/mach-omap2/clock.c
parentef1f87aa7ba6224bef1b750b3272ba281d8f43ed (diff)
parent770824bdc421ff58a64db608294323571c949f4c (diff)
Merge branch 'linus' into x86/apic
Conflicts: arch/x86/mach-default/setup.c Semantic conflict resolution: arch/x86/kernel/setup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap2/clock.c')
-rw-r--r--arch/arm/mach-omap2/clock.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index ad721e0cbf7a..ce4d46a4a838 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -565,7 +565,7 @@ u32 omap2_clksel_to_divisor(struct clk *clk, u32 field_val)
565 * 565 *
566 * Given a struct clk of a rate-selectable clksel clock, and a clock divisor, 566 * Given a struct clk of a rate-selectable clksel clock, and a clock divisor,
567 * find the corresponding register field value. The return register value is 567 * find the corresponding register field value. The return register value is
568 * the value before left-shifting. Returns 0xffffffff on error 568 * the value before left-shifting. Returns ~0 on error
569 */ 569 */
570u32 omap2_divisor_to_clksel(struct clk *clk, u32 div) 570u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
571{ 571{
@@ -577,7 +577,7 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
577 577
578 clks = omap2_get_clksel_by_parent(clk, clk->parent); 578 clks = omap2_get_clksel_by_parent(clk, clk->parent);
579 if (clks == NULL) 579 if (clks == NULL)
580 return 0; 580 return ~0;
581 581
582 for (clkr = clks->rates; clkr->div; clkr++) { 582 for (clkr = clks->rates; clkr->div; clkr++) {
583 if ((clkr->flags & cpu_mask) && (clkr->div == div)) 583 if ((clkr->flags & cpu_mask) && (clkr->div == div))
@@ -588,7 +588,7 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
588 printk(KERN_ERR "clock: Could not find divisor %d for " 588 printk(KERN_ERR "clock: Could not find divisor %d for "
589 "clock %s parent %s\n", div, clk->name, 589 "clock %s parent %s\n", div, clk->name,
590 clk->parent->name); 590 clk->parent->name);
591 return 0; 591 return ~0;
592 } 592 }
593 593
594 return clkr->val; 594 return clkr->val;
@@ -708,7 +708,7 @@ static u32 omap2_clksel_get_src_field(void __iomem **src_addr,
708 return 0; 708 return 0;
709 709
710 for (clkr = clks->rates; clkr->div; clkr++) { 710 for (clkr = clks->rates; clkr->div; clkr++) {
711 if (clkr->flags & (cpu_mask | DEFAULT_RATE)) 711 if (clkr->flags & cpu_mask && clkr->flags & DEFAULT_RATE)
712 break; /* Found the default rate for this platform */ 712 break; /* Found the default rate for this platform */
713 } 713 }
714 714
@@ -746,7 +746,7 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
746 return -EINVAL; 746 return -EINVAL;
747 747
748 if (clk->usecount > 0) 748 if (clk->usecount > 0)
749 _omap2_clk_disable(clk); 749 omap2_clk_disable(clk);
750 750
751 /* Set new source value (previous dividers if any in effect) */ 751 /* Set new source value (previous dividers if any in effect) */
752 reg_val = __raw_readl(src_addr) & ~field_mask; 752 reg_val = __raw_readl(src_addr) & ~field_mask;
@@ -759,11 +759,11 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
759 wmb(); 759 wmb();
760 } 760 }
761 761
762 if (clk->usecount > 0)
763 _omap2_clk_enable(clk);
764
765 clk->parent = new_parent; 762 clk->parent = new_parent;
766 763
764 if (clk->usecount > 0)
765 omap2_clk_enable(clk);
766
767 /* CLKSEL clocks follow their parents' rates, divided by a divisor */ 767 /* CLKSEL clocks follow their parents' rates, divided by a divisor */
768 clk->rate = new_parent->rate; 768 clk->rate = new_parent->rate;
769 769