[PATCH v1] cpufreq: mediatek-hw: Fix double devm_remap in hotplug case
Hector Yuan
hector.yuan at mediatek.com
Fri Oct 29 04:42:22 PDT 2021
When hotpluging policy cpu, cpu policy init will be called multiple times.
Unplug CPU7 -> CPU6 -> CPU5 -> CPU4, then plug CPU4 again.
In this case, devm_remap will double remap and resource allocate fail.
So replace devm_remap to ioremap and release related resources in cpu exit.
Hector.Yuan (1):
cpufreq: mediatek-hw: Fix double devm_remap in hotplug case
drivers/cpufreq/mediatek-cpufreq-hw.c | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
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