HSE_RTC
if (clk_hw_get_parent(hw) == clk_hw_get_parent_by_index(hw, HSE_RTC))
if (clk_hw_get_parent(hw) == clk_hw_get_parent_by_index(hw, HSE_RTC))
if (req->best_parent_hw == clk_hw_get_parent_by_index(hw, HSE_RTC))