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PM / devfreq: rockchip_dmc: Use raw_smp_processor_id()

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Fix this warning when DEBUG_PREEMPT is selected:
BUG: using smp_processor_id() in preemptible [00000000] code: devfreq_wq/46
caller is debug_smp_processor_id+0x1c/0x24
CPU: 4 PID: 46 Comm: devfreq_wq Tainted: G           O    4.4.179-gaa55fe4a4414 #71
Hardware name: Rockchip RK3399 Excavator Board (Linux Opensource) (DT)
Workqueue: devfreq_wq devfreq_monitor
Call trace:
[<ffffff800808866c>] dump_backtrace+0x0/0x228
[<ffffff80080888b8>] show_stack+0x24/0x30
[<ffffff80083c91a0>] dump_stack+0x88/0xb0
[<ffffff80083e11f0>] check_preemption_disabled+0xd4/0xfc
[<ffffff80083e1234>] debug_smp_processor_id+0x1c/0x24
[<ffffff80087a8ce0>] rockchip_dmcfreq_target+0x114/0x340
[<ffffff80087a5ff0>] update_devfreq+0x120/0x1b4
[<ffffff80087a60b8>] devfreq_monitor+0x34/0x8c
[<ffffff80080b3164>] process_one_work+0x23c/0x3d8
[<ffffff80080b3340>] process_scheduled_works+0x40/0x44
[<ffffff80080b3c8c>] rescuer_thread+0x174/0x26c
[<ffffff80080b9020>] kthread+0xdc/0xec
[<ffffff8008082ef0>] ret_from_fork+0x10/0x20

Change-Id: Idc05e25403de04108f597e69643e91868728b873
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2019-07-09 20:01:39 +08:00
parent 378cb4994d
commit 1fae7b1632
1 changed files with 1 additions and 1 deletions
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2
drivers/devfreq/rockchip_dmc.c
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@@ -1353,7 +1353,7 @@ static int rockchip_dmcfreq_target(struct device *dev, unsigned long *freq,
* Go to specified cpufreq and block other cpufreq changes since
* set_rate needs to complete during vblank.
*/
cpu_cur = smp_processor_id();
cpu_cur = raw_smp_processor_id();
policy = cpufreq_cpu_get(cpu_cur);
if (!policy) {
dev_err(dev, "cpu%d policy NULL\n", cpu_cur);