ARM: perf: Allow the use of the PMUv3 driver on 32bit ARM

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The only thing stopping the PMUv3 driver from compiling on 32bit
is the lack of defined system registers names and the handful of
required helpers.

This is easily solved by providing the sysreg accessors and updating
the Kconfig entry.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Co-developed-by: Zaid Al-Bassam <zalbassam@google.com>
Signed-off-by: Zaid Al-Bassam <zalbassam@google.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230317195027.3746949-8-zalbassam@google.com
Signed-off-by: Will Deacon <will@kernel.org>

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Marc Zyngier 2023-03-17 15:50:26 -04:00 • committed by Will Deacon

parent 252309adc8

commit 009d6dc87a

3 changed files with 253 additions and 4 deletions

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247

arch/arm/include/asm/arm_pmuv3.h

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5

drivers/perf/Kconfig

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5

drivers/perf/arm_pmuv3.c

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