1 files changed, 7 insertions, 4 deletions

diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c
index 19c1c82849f..f9201ca2295 100644
--- a/arch/mips/alchemy/common/dbdma.c
+++ b/arch/mips/alchemy/common/dbdma.c
@@ -412,8 +412,11 @@ u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
                 if (desc_base == 0)
                         return 0;
 
+                ctp->cdb_membase = desc_base;
                 desc_base = ALIGN_ADDR(desc_base, sizeof(au1x_ddma_desc_t));
-        }
+        } else
+                ctp->cdb_membase = desc_base;
+
         dp = (au1x_ddma_desc_t *)desc_base;
 
         /* Keep track of the base descriptor. */
@@ -613,7 +616,7 @@ u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
         dma_cache_wback_inv((unsigned long)buf, nbytes);
         dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
         au_sync();
-        dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
+        dma_cache_wback_inv((unsigned long)dp, sizeof(*dp));
         ctp->chan_ptr->ddma_dbell = 0;
 
         /* Get next descriptor pointer. */
@@ -676,7 +679,7 @@ _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags)
         dma_cache_inv((unsigned long)buf, nbytes);
         dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
         au_sync();
-        dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
+        dma_cache_wback_inv((unsigned long)dp, sizeof(*dp));
         ctp->chan_ptr->ddma_dbell = 0;
 
         /* Get next descriptor pointer. */
@@ -831,7 +834,7 @@ void au1xxx_dbdma_chan_free(u32 chanid)
 
         au1xxx_dbdma_stop(chanid);
 
-        kfree((void *)ctp->chan_desc_base);
+        kfree((void *)ctp->cdb_membase);
 
         stp->dev_flags &= ~DEV_FLAGS_INUSE;
         dtp->dev_flags &= ~DEV_FLAGS_INUSE;