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cpufreq: intel_pstate: Allow repeated intel_pstate disable

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Repeated intel_pstate disables currently return an error, adding unnecessary
complexity to userspace scripts which must first read the current state and
conditionally write 'off'.

Make repeated intel_pstate disables a no-op.

Signed-off-by: Fabio M. De Francesco <fabio.m.de.francesco@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20260219181600.16388-1-fabio.m.de.francesco@linux.intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Fabio M. De Francesco 2026-02-19 19:15:55 +01:00 committed by Rafael J. Wysocki
parent 54de61a3f6
commit 6acae3c833
1 changed files with 1 additions and 1 deletions
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2
drivers/cpufreq/intel_pstate.c
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@ -3472,7 +3472,7 @@ static int intel_pstate_update_status(const char *buf, size_t size)
{
if (size == 3 && !strncmp(buf, "off", size)) {
if (!intel_pstate_driver)
return -EINVAL;
return 0;
if (hwp_active)
return -EBUSY;