On 08/07/16 07:48, Dirk Behme wrote:
#include <linux/cpuidle.h>
#include <linux/cpufreq.h>
#include <linux/cpu.h>
@@ -444,6 +445,52 @@ static int __init xen_pm_init(void)
}
late_initcall(xen_pm_init);
+/*
+ * Check if we want to register some clocks, that they
+ * are not freed because unused by clk_disable_unused().
+ * E.g. the serial console clock.
+ */
+static int __init xen_arm_register_clks(void)
+{
+ struct clk *clk;
+ struct device_node *xen_node;
+ unsigned int i, count;
+ int ret = 0;
+
+ xen_node = of_find_compatible_node(NULL, NULL, "xen,xen");
+ if (!xen_node) {
+ pr_err("Xen support was detected before, but it has
disappeared\n");
+ return -EINVAL;
+ }
+
+ count = of_clk_get_parent_count(xen_node);
+ if (!count)
+ goto out;
+
+ for (i = 0; i < count; i++) {
+ clk = of_clk_get(xen_node, i);
Is there a struct device we can use here?
It doesn't look so. Julien?
We don't have a struct device. Maybe we can create a dummy one if it
simplifies the logic?
--
Julien Grall
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