PWM registers are shared between clocksource and PWM drivers and so can
not be claimed for exclusive use.
Signed-off-by: Tomasz Figa <tomasz.figa@xxxxxxxxx>
---
drivers/clocksource/samsung_pwm_timer.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index 0234c8d..553115b 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -404,7 +404,6 @@ void __init samsung_pwm_clocksource_init(void __iomem *base,
static void __init samsung_pwm_alloc(struct device_node *np,
const struct samsung_pwm_variant *variant)
{
- struct resource res;
struct property *prop;
const __be32 *cur;
u32 val;
@@ -423,17 +422,9 @@ static void __init samsung_pwm_alloc(struct device_node *np,
pwm.variant.output_mask |= 1 << val;
}
- of_address_to_resource(np, 0, &res);
- if (!request_mem_region(res.start,
- resource_size(&res), "samsung-pwm")) {
- pr_err("%s: failed to request IO mem region\n", __func__);
- return;
- }
-
- pwm.base = ioremap(res.start, resource_size(&res));
+ pwm.base = of_iomap(np, 0);
if (!pwm.base) {
pr_err("%s: failed to map PWM registers\n", __func__);
- release_mem_region(res.start, resource_size(&res));
return;
}
--
1.8.2.1
--
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