This function is race-prone and mistakenly conveys the impression to
drivers that it is part of the clock interface. Get rid of it: core
code that absolutely needs this can just check clk->usecount. Drivers
should not use it at all.
Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
---
arch/arm/mach-omap2/pm-debug.c | 2 +-
arch/arm/mach-omap2/pm24xx.c | 2 +-
arch/arm/plat-omap/clock.c | 16 ----------------
arch/arm/plat-omap/include/mach/clock.h | 1 -
4 files changed, 2 insertions(+), 19 deletions(-)
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 0b5c044..0832e05 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -93,7 +93,7 @@ void serial_console_sleep(int enable)
if (enable) {
BUG_ON(serial_console_clock_disabled);
- if (clk_get_usecount(console_fclk) == 0)
+ if (console_fclk->usecount == 0)
return;
if ((int) serial_console_next_disable - (int) omap2_read_32k_sync_counter() >= 0)
return;
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 60ff04f..2798e87 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -249,7 +249,7 @@ static int omap2_can_sleep(void)
return 0;
if (atomic_read(&sleep_block) > 0)
return 0;
- if (clk_get_usecount(osc_ck) > 1)
+ if (osc_ck->usecount > 1)
return 0;
if (omap_dma_running())
return 0;
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index ab3d879..8d43d78 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -260,22 +260,6 @@ out:
}
EXPORT_SYMBOL(clk_disable);
-int clk_get_usecount(struct clk *clk)
-{
- unsigned long flags;
- int ret = 0;
-
- if (clk == NULL || IS_ERR(clk))
- return 0;
-
- spin_lock_irqsave(&clockfw_lock, flags);
- ret = clk->usecount;
- spin_unlock_irqrestore(&clockfw_lock, flags);
-
- return ret;
-}
-EXPORT_SYMBOL(clk_get_usecount);
-
unsigned long clk_get_rate(struct clk *clk)
{
unsigned long flags;
diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h
index 2f1c5cd..f0194bc 100644
--- a/arch/arm/plat-omap/include/mach/clock.h
+++ b/arch/arm/plat-omap/include/mach/clock.h
@@ -138,7 +138,6 @@ extern void followparent_recalc(struct clk *clk, unsigned long parent_rate,
u8 rate_storage);
extern void clk_allow_idle(struct clk *clk);
extern void clk_deny_idle(struct clk *clk);
-extern int clk_get_usecount(struct clk *clk);
extern void clk_enable_init_clocks(void);
#ifdef CONFIG_CPU_FREQ
extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
--
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