1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index d0dfc3cf9245..a8314aee2ab8 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -329,8 +329,8 @@ mpsc_sdma_stop(struct mpsc_port_info *pi)
         mpsc_sdma_cmd(pi, SDMA_SDCM_AR | SDMA_SDCM_AT);
 
         /* Clear the SDMA current and first TX and RX pointers */
-        mpsc_sdma_set_tx_ring(pi, 0);
-        mpsc_sdma_set_rx_ring(pi, 0);
+        mpsc_sdma_set_tx_ring(pi, NULL);
+        mpsc_sdma_set_rx_ring(pi, NULL);
 
         /* Disable interrupts */
         mpsc_sdma_intr_mask(pi, 0xf);
@@ -1540,8 +1540,8 @@ mpsc_shared_unmap_regs(void)
                         MPSC_SDMA_INTR_REG_BLOCK_SIZE);
         }
 
-        mpsc_shared_regs.mpsc_routing_base = 0;
-        mpsc_shared_regs.sdma_intr_base = 0;
+        mpsc_shared_regs.mpsc_routing_base = NULL;
+        mpsc_shared_regs.sdma_intr_base = NULL;
 
         mpsc_shared_regs.mpsc_routing_base_p = 0;
         mpsc_shared_regs.sdma_intr_base_p = 0;
@@ -1678,9 +1678,9 @@ mpsc_drv_unmap_regs(struct mpsc_port_info *pi)
                 release_mem_region(pi->brg_base_p, MPSC_BRG_REG_BLOCK_SIZE);
         }
 
-        pi->mpsc_base = 0;
-        pi->sdma_base = 0;
-        pi->brg_base = 0;
+        pi->mpsc_base = NULL;
+        pi->sdma_base = NULL;
+        pi->brg_base = NULL;
 
         pi->mpsc_base_p = 0;
         pi->sdma_base_p = 0;