[PATCH] cpufreq: Remove CPUFREQ_STICKY flag

Dominik Brodowski linux at dominikbrodowski.net
Mon Feb 1 04:44:15 EST 2021


Am Mon, Feb 01, 2021 at 01:35:51PM +0530 schrieb Viresh Kumar:
> The removal of such a driver is avoided if the driver carries the
> CPUFREQ_STICKY flag. This was added way back [1] in 2004 and perhaps no
> one should ever need it now. A lot of driver do set this flag, probably
> because they just copied it from another driver.

IIRC, it was required on various ARM systems,[*] as CPUs were registered as
subsys_initcall(), while cpufreq used to be initialized only later, as an
arch_initcall(). If the ordering is opposite now on all architectures (it
wasn't on ARM back then), we should be fine.

[*] https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git/commit/arch/arm/mach-sa1100/cpu-sa1100.c?id=f59d3bbe35f6268d729f51be82af8325d62f20f5


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