ARM_SMMU_GR0_sGFSR
case ARM_SMMU_GR0_sGFSR:
ARM_SMMU_GR0_sGFSR;
gfsr = readl_relaxed(gr0_base + ARM_SMMU_GR0_sGFSR);
writel_relaxed(gfsr, gr0_base + ARM_SMMU_GR0_sGFSR);
reg = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_sGFSR);
arm_smmu_gr0_write(smmu, ARM_SMMU_GR0_sGFSR, reg);
gfsr = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_sGFSR);
arm_smmu_gr0_write(smmu, ARM_SMMU_GR0_sGFSR, gfsr);