diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 497edd9848cd83ede8b076e68a50f98f146d2ef9..7f78482cd157b263226261b4ff7166df283c56af 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -471,6 +471,7 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
 	u32 pa_high, pa_low;
 	u64 cmd_pa;
 	u32 cmd_size;
+	__le64 __rsp_pa;
 	u64 rsp_pa;
 	u32 rsp_size;
 	int ret;
@@ -536,8 +537,8 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
 		goto out;
 	}
 
-	memcpy_fromio(&rsp_pa, &priv->regs_t->ctrl_rsp_pa, 8);
-	rsp_pa = le64_to_cpu(rsp_pa);
+	memcpy_fromio(&__rsp_pa, &priv->regs_t->ctrl_rsp_pa, 8);
+	rsp_pa = le64_to_cpu(__rsp_pa);
 	rsp_size = crb_fixup_cmd_size(dev, &io_res, rsp_pa,
 				      ioread32(&priv->regs_t->ctrl_rsp_size));