From: Felix Fietkau Date: Mon, 13 Mar 2017 12:25:00 +0000 (+0100) Subject: ipq806x: fix crash on 4.9 if the rpm clock probe happens before cpuidle init X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2029167b565071f6fb19ee3d928779308e1a7ca3;p=openwrt%2Fstaging%2Flynxis%2Fomap.git ipq806x: fix crash on 4.9 if the rpm clock probe happens before cpuidle init Signed-off-by: Felix Fietkau --- diff --git a/target/linux/ipq806x/patches-4.9/0070-qcom-spm-fix-probe-order.patch b/target/linux/ipq806x/patches-4.9/0070-qcom-spm-fix-probe-order.patch new file mode 100644 index 0000000000..b7e375dfb2 --- /dev/null +++ b/target/linux/ipq806x/patches-4.9/0070-qcom-spm-fix-probe-order.patch @@ -0,0 +1,16 @@ +Check for SCM availability before attempting to use SPM + +Signed-off-by: Felix Fietkau + +--- 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)