diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-04-05 07:27:24 -0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-04-06 04:57:10 -0400 |
commit | 3ef48fac6e8e2362a4e6ef31dd043c89fe107875 (patch) | |
tree | 0886a3a3ec5c5cd2e49780842d3fdafa52edd21f /arch/arm/mach-omap1 | |
parent | 0221c81b1b8eb0cbb6b30a0ced52ead32d2b4e4c (diff) |
[ARM] omap: fix omap1 clock usecount decrement bug
Same fix as per a7f8c59, but for OMAP1 instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-omap1')
-rw-r--r-- | arch/arm/mach-omap1/clock.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index dafe4f71d15f..336e51dc6127 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c | |||
@@ -590,27 +590,28 @@ static void omap1_init_ext_clk(struct clk * clk) | |||
590 | static int omap1_clk_enable(struct clk *clk) | 590 | static int omap1_clk_enable(struct clk *clk) |
591 | { | 591 | { |
592 | int ret = 0; | 592 | int ret = 0; |
593 | |||
593 | if (clk->usecount++ == 0) { | 594 | if (clk->usecount++ == 0) { |
594 | if (likely(clk->parent)) { | 595 | if (clk->parent) { |
595 | ret = omap1_clk_enable(clk->parent); | 596 | ret = omap1_clk_enable(clk->parent); |
596 | 597 | if (ret) | |
597 | if (unlikely(ret != 0)) { | 598 | goto err; |
598 | clk->usecount--; | ||
599 | return ret; | ||
600 | } | ||
601 | 599 | ||
602 | if (clk->flags & CLOCK_NO_IDLE_PARENT) | 600 | if (clk->flags & CLOCK_NO_IDLE_PARENT) |
603 | omap1_clk_deny_idle(clk->parent); | 601 | omap1_clk_deny_idle(clk->parent); |
604 | } | 602 | } |
605 | 603 | ||
606 | ret = clk->ops->enable(clk); | 604 | ret = clk->ops->enable(clk); |
607 | 605 | if (ret) { | |
608 | if (unlikely(ret != 0) && clk->parent) { | 606 | if (clk->parent) |
609 | omap1_clk_disable(clk->parent); | 607 | omap1_clk_disable(clk->parent); |
610 | clk->usecount--; | 608 | goto err; |
611 | } | 609 | } |
612 | } | 610 | } |
611 | return ret; | ||
613 | 612 | ||
613 | err: | ||
614 | clk->usecount--; | ||
614 | return ret; | 615 | return ret; |
615 | } | 616 | } |
616 | 617 | ||