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path: root/drivers/cpuidle/cpuidle-arm.c
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Diffstat (limited to 'drivers/cpuidle/cpuidle-arm.c')
-rw-r--r--drivers/cpuidle/cpuidle-arm.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c
index 5bcd82c35dcf..9e5156d39627 100644
--- a/drivers/cpuidle/cpuidle-arm.c
+++ b/drivers/cpuidle/cpuidle-arm.c
@@ -15,7 +15,6 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/slab.h>
-#include <linux/topology.h>
#include <asm/cpuidle.h>
@@ -106,11 +105,17 @@ static int __init arm_idle_init_cpu(int cpu)
ret = arm_cpuidle_init(cpu);
/*
- * Allow the initialization to continue for other CPUs, if the reported
- * failure is a HW misconfiguration/breakage (-ENXIO).
+ * Allow the initialization to continue for other CPUs, if the
+ * reported failure is a HW misconfiguration/breakage (-ENXIO).
+ *
+ * Some platforms do not support idle operations
+ * (arm_cpuidle_init() returning -EOPNOTSUPP), we should
+ * not flag this case as an error, it is a valid
+ * configuration.
*/
if (ret) {
- pr_err("CPU %d failed to init idle CPU ops\n", cpu);
+ if (ret != -EOPNOTSUPP)
+ pr_err("CPU %d failed to init idle CPU ops\n", cpu);
ret = ret == -ENXIO ? 0 : ret;
goto out_kfree_drv;
}