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path: root/target/linux/ipq806x/patches-5.4/0070-qcom-spm-fix-probe-order.patch
blob: b7e375dfb2800cc893e487854bf408cff7b38679 (plain)
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Check for SCM availability before attempting to use SPM

Signed-off-by: Felix Fietkau <nbd@nbd.name>

--- a/drivers/soc/qcom/spm.c
+++ b/drivers/soc/qcom/spm.c
@@ -219,6 +219,9 @@ static int __init qcom_cpuidle_init(stru
 	cpumask_t mask;
 	bool use_scm_power_down = false;
 
+	if (!qcom_scm_is_available())
+		return -EPROBE_DEFER;
+
 	for (i = 0; ; i++) {
 		state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i);
 		if (!state_node)