[PATCH] cpufreq: apple-soc: Calculate frequency as a 64-bit value
Sasha Finkelstein <[email protected]>
| Newsgroups | dev.linux.lists.asahi,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm |
|---|---|
| Message-ID | <[email protected]> |
The current frequency calculation is done in 32 bit, causing problems if run on a future SoC that can boost higher than 4.2GHz. Signed-off-by: Sasha Finkelstein <[email protected]> --- drivers/cpufreq/apple-soc-cpufreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/apple-soc-cpufreq.c b/drivers/cpufreq/apple-soc-cpufreq.c index 638e5bf72185..6a0f1d36578f 100644 --- a/drivers/cpufreq/apple-soc-cpufreq.c +++ b/drivers/cpufreq/apple-soc-cpufreq.c @@ -288,7 +288,7 @@ static int apple_soc_cpufreq_init(struct cpufreq_policy *policy) /* Get OPP levels (p-state indexes) and stash them in driver_data */ for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) { - unsigned long rate = freq_table[i].frequency * 1000 + 999; + unsigned long rate = freq_table[i].frequency * 1000UL + 999UL; struct dev_pm_opp *opp = dev_pm_opp_find_freq_floor(cpu_dev, &rate); if (IS_ERR(opp)) { --- base-commit: 4a50a141f05a8d1737661b19ee22ff8455b94409 change-id: 20260703-cpufreq-64-2a23d7261e09 Best regards, -- Sasha Finkelstein <[email protected]>