regATHUB_MISC_CNTL
data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL);
WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL, data);
data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL);
WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL, data);