cpufreq : CPPC: Break out if HiSilicon CPPC workaround is matched

mainline inclusion
from mainline-v5.6-rc1
commit c7402379
category: bugfix
bugzilla: NA
CVE: NA

--------------------------------

Bail out if we match the OEM information, to save some possible
extra iteration.

Also update the code to fix minor coding style issue.
Signed-off-by: NHanjun Guo <guohanjun@huawei.com>
[ rjw: Subject ]
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: NXiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/cpufreq/cppc_cpufreq.c

@@ -43,7 +43,7 @@
 static struct cppc_cpudata **all_cpu_data;
 
 struct cppc_workaround_oem_info {
-	char oem_id[ACPI_OEM_ID_SIZE +1];
+	char oem_id[ACPI_OEM_ID_SIZE + 1];
 	char oem_table_id[ACPI_OEM_TABLE_ID_SIZE + 1];
 	u32 oem_revision;
 };
@@ -97,8 +97,10 @@ static void cppc_check_hisi_workaround(void)
 	for (i = 0; i < ARRAY_SIZE(wa_info); i++) {
 		if (!memcmp(wa_info[i].oem_id, tbl->oem_id, ACPI_OEM_ID_SIZE) &&
 		    !memcmp(wa_info[i].oem_table_id, tbl->oem_table_id, ACPI_OEM_TABLE_ID_SIZE) &&
-		    wa_info[i].oem_revision == tbl->oem_revision)
+		    wa_info[i].oem_revision == tbl->oem_revision) {
 			apply_hisi_workaround = true;
+			break;
+		}
 	}
 }