git: 592bf2412662 - stable/15 - hwpstate_intel: Fix i386 build

The branch stable/15 has been updated by aokblast:

URL: https://cgit.FreeBSD.org/src/commit/?id=592bf24126623d5c6b3ba689077cd4565b61058a

commit 592bf24126623d5c6b3ba689077cd4565b61058a
Author:     Harry Schmalzb <freebsd@omnilan.de>
AuthorDate: 2026-07-13 05:29:34 +0000
Commit:     ShengYi Hung <aokblast@FreeBSD.org>
CommitDate: 2026-07-25 13:13:24 +0000

    hwpstate_intel: Fix i386 build
    
    Reviewed by:    olce
    Fixes:  7b26353a59d6
    MFC after:      3 days
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D58208
    
    (cherry picked from commit bdc0f7678257eaa739b9c816285504470e71e3de)
---
 sys/x86/cpufreq/hwpstate_intel.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sys/x86/cpufreq/hwpstate_intel.c b/sys/x86/cpufreq/hwpstate_intel.c
index db8600d7b89a..99741f66b986 100644
--- a/sys/x86/cpufreq/hwpstate_intel.c
+++ b/sys/x86/cpufreq/hwpstate_intel.c
@@ -326,13 +326,19 @@ intel_hwpstate_hybrid_cb(void *ctx)
 {
 	uint32_t *small_cores = ctx;
 
+#ifdef __i386__
+	(void)small_cores;
+#else
 	atomic_add_32(small_cores, PCPU_GET(small_core));
+#endif
 }
 
 void
 intel_hwpstate_identify(driver_t *driver, device_t parent)
 {
+#ifndef __i386__
 	uint32_t small_cores = 0;
+#endif
 
 	if (device_find_child(parent, "hwpstate_intel", DEVICE_UNIT_ANY) != NULL)
 		return;
@@ -353,6 +359,7 @@ intel_hwpstate_identify(driver_t *driver, device_t parent)
 	if ((cpu_power_eax & CPUTPM1_HWP) == 0)
 		return;
 
+#ifndef __i386__
 	/*
 	 * On hybrid-core systems, package-level control cannot be used.
 	 * It may cause all cores to run at the E-core frequency because
@@ -363,6 +370,7 @@ intel_hwpstate_identify(driver_t *driver, device_t parent)
 	    intel_hwpstate_hybrid_cb, smp_no_rendezvous_barrier, &small_cores);
 	if (small_cores > 0 && small_cores < mp_ncores)
 		hwpstate_pkg_ctrl_enable = false;
+#endif
 
 	if (BUS_ADD_CHILD(parent, 10, "hwpstate_intel", device_get_unit(parent))
 	    == NULL)