clocksource: samsung_pwm_timer: Do not request PWM mem region (e2415489) · Commits · 戴 / test

PWM registers are shared between clocksource and PWM drivers and so can not be claimed for exclusive use. Signed-off-by:

drivers/clocksource/samsung_pwm_timer.c

+1 −10

Original line number	Diff line number	Diff line
		@@ -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;
		}