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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-21 00:54:36 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-21 00:54:36 +0200 |
| commit | 135d39dcedcedd1f44ea0bba52f15ac5922c114f (patch) | |
| tree | 12379fc8ef7489eaca1c7245f8bd6af74c619a8f /arch/powerpc/kernel/rtas.c | |
| parent | 187764bd111b27783b6d68ffb3b3dbb3a9bafd38 (diff) | |
| parent | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (diff) | |
Merge remote-tracking branch 'remotes/fslc/4.9-2.3.x-imx' into toradex_4.9-2.3.x-imx-next
Conflicts:
sound/soc/codecs/sgtl5000.c
sound/soc/fsl/imx-sgtl5000.c
Diffstat (limited to 'arch/powerpc/kernel/rtas.c')
| -rw-r--r-- | arch/powerpc/kernel/rtas.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 6a3e5de544ce..641f3e4c3380 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -874,15 +874,17 @@ static int rtas_cpu_state_change_mask(enum rtas_cpu_state state, return 0; for_each_cpu(cpu, cpus) { + struct device *dev = get_cpu_device(cpu); + switch (state) { case DOWN: - cpuret = cpu_down(cpu); + cpuret = device_offline(dev); break; case UP: - cpuret = cpu_up(cpu); + cpuret = device_online(dev); break; } - if (cpuret) { + if (cpuret < 0) { pr_debug("%s: cpu_%s for cpu#%d returned %d.\n", __func__, ((state == UP) ? "up" : "down"), @@ -971,6 +973,8 @@ int rtas_ibm_suspend_me(u64 handle) data.token = rtas_token("ibm,suspend-me"); data.complete = &done; + lock_device_hotplug(); + /* All present CPUs must be online */ cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask); cpuret = rtas_online_cpus_mask(offline_mask); @@ -980,6 +984,7 @@ int rtas_ibm_suspend_me(u64 handle) goto out; } + cpu_hotplug_disable(); stop_topology_update(); /* Call function on all CPUs. One of us will make the @@ -994,6 +999,7 @@ int rtas_ibm_suspend_me(u64 handle) printk(KERN_ERR "Error doing global join\n"); start_topology_update(); + cpu_hotplug_enable(); /* Take down CPUs not online prior to suspend */ cpuret = rtas_offline_cpus_mask(offline_mask); @@ -1002,6 +1008,7 @@ int rtas_ibm_suspend_me(u64 handle) __func__); out: + unlock_device_hotplug(); free_cpumask_var(offline_mask); return atomic_read(&data.error); } |