From: Kaushlendra Kumar <kaushlendra.kumar@intel.com>
Date: Wed, 19 Nov 2025 03:11:09 +0000 (+0530)
Subject: cpufreq: ACPI: Replace udelay() with usleep_range()
X-Git-Tag: v6.19-rc1~203^2~3^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1b541e10eea6ecea84431dd69d9052b12ed1f729;p=thirdparty%2Fkernel%2Flinux.git

cpufreq: ACPI: Replace udelay() with usleep_range()

Replace udelay() with usleep_range() in check_freqs() to allow
CPU scheduling during frequency polling.

Signed-off-by: Kaushlendra Kumar <kaushlendra.kumar@intel.com>
[ rjw: Changelog edits ]
Link: https://patch.msgid.link/20251119031109.134583-1-kaushlendra.kumar@intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 083d8369a5912..e73a66785d69d 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -395,7 +395,7 @@ static unsigned int check_freqs(struct cpufreq_policy *policy,
 		cur_freq = extract_freq(policy, get_cur_val(mask, data));
 		if (cur_freq == freq)
 			return 1;
-		udelay(10);
+		usleep_range(10, 15);
 	}
 	return 0;
 }