diff --git a/drivers/misc/rockchip/pcie-rkep.c b/drivers/misc/rockchip/pcie-rkep.c
index f448513101fc..1d5b4c51fcde 100644
--- a/drivers/misc/rockchip/pcie-rkep.c
+++ b/drivers/misc/rockchip/pcie-rkep.c
@@ -610,8 +610,7 @@ static int pcie_rkep_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 	}
 
-	if (pcie_rkep->cur_mmap_res == PCIE_EP_MMAP_RESOURCE_BAR2 ||
-	    pcie_rkep->cur_mmap_res == PCIE_EP_MMAP_RESOURCE_USER_MEM)
+	if (pcie_rkep->cur_mmap_res == PCIE_EP_MMAP_RESOURCE_USER_MEM)
 		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
 	else
 		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);