From d33f250af4e67d449f2c748b861ba99d50955469 Mon Sep 17 00:00:00 2001
From: Yoshinori Sato <ysato@users.sourceforge.jp>
Date: Sat, 5 Dec 2015 02:48:18 +0900
Subject: clocksource/drivers/h8300: Use ioread / iowrite
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
drivers/clocksource/h8300_tpu.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
(limited to 'drivers/clocksource/h8300_tpu.c')
diff --git a/drivers/clocksource/h8300_tpu.c b/drivers/clocksource/h8300_tpu.c
index 91bf1992320e..d4c1a287c262 100644
--- a/drivers/clocksource/h8300_tpu.c
+++ b/drivers/clocksource/h8300_tpu.c
@@ -19,6 +19,8 @@
#define TSR 0x5
#define TCNT 0x6
+#define TCFV 0x10
+
struct tpu_priv {
struct clocksource cs;
void __iomem *mapbase1;
@@ -31,8 +33,8 @@ static inline unsigned long read_tcnt32(struct tpu_priv *p)
{
unsigned long tcnt;
- tcnt = readw(p->mapbase1 + TCNT) << 16;
- tcnt |= readw(p->mapbase2 + TCNT);
+ tcnt = ioread16be(p->mapbase1 + TCNT) << 16;
+ tcnt |= ioread16be(p->mapbase2 + TCNT);
return tcnt;
}
@@ -41,7 +43,7 @@ static int tpu_get_counter(struct tpu_priv *p, unsigned long long *val)
unsigned long v1, v2, v3;
int o1, o2;
- o1 = readb(p->mapbase1 + TSR) & 0x10;
+ o1 = ioread8(p->mapbase1 + TSR) & TCFV;
/* Make sure the timer value is stable. Stolen from acpi_pm.c */
do {
@@ -49,7 +51,7 @@ static int tpu_get_counter(struct tpu_priv *p, unsigned long long *val)
v1 = read_tcnt32(p);
v2 = read_tcnt32(p);
v3 = read_tcnt32(p);
- o1 = readb(p->mapbase1 + TSR) & 0x10;
+ o1 = ioread8(p->mapbase1 + TSR) & TCFV;
} while (unlikely((o1 != o2) || (v1 > v2 && v1 < v3)
|| (v2 > v3 && v2 < v1) || (v3 > v1 && v3 < v2)));
@@ -82,10 +84,10 @@ static int tpu_clocksource_enable(struct clocksource *cs)
WARN_ON(p->cs_enabled);
- writew(0, p->mapbase1 + TCNT);
- writew(0, p->mapbase2 + TCNT);
- writeb(0x0f, p->mapbase1 + TCR);
- writeb(0x03, p->mapbase2 + TCR);
+ iowrite16be(0, p->mapbase1 + TCNT);
+ iowrite16be(0, p->mapbase2 + TCNT);
+ iowrite8(0x0f, p->mapbase1 + TCR);
+ iowrite8(0x03, p->mapbase2 + TCR);
p->cs_enabled = true;
return 0;
@@ -97,8 +99,8 @@ static void tpu_clocksource_disable(struct clocksource *cs)
WARN_ON(!p->cs_enabled);
- writeb(0, p->mapbase1 + TCR);
- writeb(0, p->mapbase2 + TCR);
+ iowrite8(0, p->mapbase1 + TCR);
+ iowrite8(0, p->mapbase2 + TCR);
p->cs_enabled = false;
}
--
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