Remove open-coded 64-bit divide
64-bit divides aren't atomic on 32-bit architectures, which in kernel
mode matters as the divide may be preempted. Ensure we only use the
kernel's helper functions to do this divide.
Bug: 154934534
Change-Id: Ib42ae56acac2cfa1b085b614efd6bc9ef462bd18
diff --git a/wlan_simulation/virt_wifi_simulation.c b/wlan_simulation/virt_wifi_simulation.c
index 42b8b50..171b403 100644
--- a/wlan_simulation/virt_wifi_simulation.c
+++ b/wlan_simulation/virt_wifi_simulation.c
@@ -122,8 +122,8 @@
static int select_scan_config(void)
{
int index;
- u64 delta_time = (current_scan_trigger_time - wifi_enable_tsf) /
- 1000000000;
+ u64 delta_time = div_u64(current_scan_trigger_time - wifi_enable_tsf,
+ 1000000000);
for (index = last_scan_config_index;
index < total_configured_scan_result; index++) {
