ARM_SMMU_GR0_sGFSYNR0
case ARM_SMMU_GR0_sGFSYNR0:
gfsynr0 = readl_relaxed(gr0_base + ARM_SMMU_GR0_sGFSYNR0);
gfsynr0 = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_sGFSYNR0);