[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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