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author | Felix Fietkau <nbd@nbd.name> | 2018-07-23 16:17:35 +0200 |
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committer | Andy Gross <andy.gross@linaro.org> | 2018-09-13 16:11:38 -0500 |
commit | 61a3bd10082b0e861b4e1bc451a92e20181a52f5 (patch) | |
tree | 258a792b883b96cb005364bd1e2ff64cf5f79537 /drivers/soc/qcom | |
parent | ccfb464cd106890cfa51070f75921a273e2852e5 (diff) | |
download | linux-stable-61a3bd10082b0e861b4e1bc451a92e20181a52f5.tar.gz linux-stable-61a3bd10082b0e861b4e1bc451a92e20181a52f5.tar.bz2 linux-stable-61a3bd10082b0e861b4e1bc451a92e20181a52f5.zip |
soc: qcom: spm: add SCM probe dependency
Check for SCM availability before attempting to use SPM. SPM probe will
fail otherwise.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'drivers/soc/qcom')
-rw-r--r-- | drivers/soc/qcom/spm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/qcom/spm.c b/drivers/soc/qcom/spm.c index f9d7a85b2822..53807e839664 100644 --- a/drivers/soc/qcom/spm.c +++ b/drivers/soc/qcom/spm.c @@ -219,6 +219,9 @@ static int __init qcom_cpuidle_init(struct device_node *cpu_node, int cpu) 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) |