L3_M_BC_GANG
gang = readl_relaxed(l3pmu->regs + L3_M_BC_GANG);
writel_relaxed(gang, l3pmu->regs + L3_M_BC_GANG);
u32 gang = readl_relaxed(l3pmu->regs + L3_M_BC_GANG);
writel_relaxed(gang & ~GANG_EN(idx + 1), l3pmu->regs + L3_M_BC_GANG);
writel_relaxed(BC_GANG_RESET, l3pmu->regs + L3_M_BC_GANG);