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acpi_tz: Lookup devclass by name when needed.

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Cache the value in a local variable in the worker thread.

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D34992
This commit is contained in:
John Baldwin 2022-04-21 10:29:13 -07:00
parent 9066471175
commit 5a03f17a9a
1 changed files with 3 additions and 1 deletions
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4
sys/dev/acpica/acpi_thermal.c
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@ -331,7 +331,7 @@ acpi_tz_startup(void *arg __unused)
device_t *devs;
int devcount, error, i;
devclass_get_devices(acpi_tz_devclass, &devs, &devcount);
devclass_get_devices(devclass_find("acpi_tz"), &devs, &devcount);
if (devcount == 0) {
free(devs, M_TEMP);
return;
@ -949,6 +949,7 @@ acpi_tz_power_profile(void *arg)
static void
acpi_tz_thread(void *arg)
{
devclass_t acpi_tz_devclass;
device_t *devs;
int devcount, i;
int flags;
@ -956,6 +957,7 @@ acpi_tz_thread(void *arg)
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
acpi_tz_devclass = devclass_find("acpi_tz");
devs = NULL;
devcount = 0;
sc = NULL;