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sh: tmu: Inline tmu_timer_{start,stop}()

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These functions are always called for timer = 0, so drop the
timer check. Since these functions are called from one place
only and they are reduced to one line of code, just inline
them.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
This commit is contained in:
Marek Vasut 2018-08-24 21:23:04 +02:00 • committed by Marek Vasut
parent eb05dcfea2
commit 15f11fc6d7
1 changed files with 3 additions and 17 deletions
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20
arch/sh/lib/time.c
View file

@ -16,6 +16,7 @@
#include <sh_tmu.h> #include <sh_tmu.h>
#define TCR_TPSC 0x07 #define TCR_TPSC 0x07
#define TSTR_STR0 BIT(0)
static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE; static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE;
@ -29,26 +30,11 @@ unsigned long timer_read_counter(void)
return ~readl(&tmu->tcnt0); return ~readl(&tmu->tcnt0);
} }
static void tmu_timer_start(unsigned int timer)
{
if (timer > 2)
return;
writeb(readb(&tmu->tstr) | (1 << timer), &tmu->tstr);
}
static void tmu_timer_stop(unsigned int timer)
{
if (timer > 2)
return;
writeb(readb(&tmu->tstr) & ~(1 << timer), &tmu->tstr);
}
int timer_init(void) int timer_init(void)
{ {
writew(readw(&tmu->tcr0) & ~TCR_TPSC, &tmu->tcr0); writew(readw(&tmu->tcr0) & ~TCR_TPSC, &tmu->tcr0);
writeb(readb(&tmu->tstr) & ~TSTR_STR0, &tmu->tstr);
tmu_timer_stop(0); writeb(readb(&tmu->tstr) | TSTR_STR0, &tmu->tstr);
tmu_timer_start(0);
return 0; return 0;
} }