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sh: timer: Remove static global variable

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"static u16 bit" is not necessary to use this as static global variable.
This patch fixes this.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Nobuhiro Iwamatsu 2013-08-20 14:33:15 +09:00
parent 861bd4bcf7
commit b8f1608645
1 changed files with 4 additions and 4 deletions
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8
arch/sh/lib/time.c
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@ -21,13 +21,13 @@
static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE; static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE;
static u16 bit;
static unsigned long last_tcnt; static unsigned long last_tcnt;
static unsigned long long overflow_ticks; static unsigned long long overflow_ticks;
unsigned long get_tbclk(void) unsigned long get_tbclk(void)
{ {
return get_tmu0_clk_rate() >> ((bit + 1) * 2); u16 tmu_bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1;
return get_tmu0_clk_rate() >> ((tmu_bit + 1) * 2);
} }
static inline unsigned long long tick_to_time(unsigned long long tick) static inline unsigned long long tick_to_time(unsigned long long tick)
@ -62,8 +62,8 @@ static void tmu_timer_stop(unsigned int timer)
int timer_init(void) int timer_init(void)
{ {
bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1; u16 tmu_bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1;
writew((readw(&tmu->tcr0) & ~TCR_TPSC) | bit, &tmu->tcr0); writew((readw(&tmu->tcr0) & ~TCR_TPSC) | tmu_bit, &tmu->tcr0);
tmu_timer_stop(0); tmu_timer_stop(0);
tmu_timer_start(0); tmu_timer_start(0);