Symbol: KSO_WAIT_US
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
327
#define MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US)
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
760
udelay(KSO_WAIT_US);