SDW_SHIM_SYNC
sync_reg = intel_readl(shim, SDW_SHIM_SYNC);
sync_reg = intel_readl(shim, SDW_SHIM_SYNC);
intel_writel(shim, SDW_SHIM_SYNC, sync_reg);
ret = intel_wait_bit(shim, SDW_SHIM_SYNC,
sync_reg = intel_readl(shim, SDW_SHIM_SYNC);
intel_writel(shim, SDW_SHIM_SYNC, sync_reg);
sync_reg = intel_readl(shim, SDW_SHIM_SYNC);
intel_writel(shim, SDW_SHIM_SYNC, sync_reg);