1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index d0ad46e916a6..3d22ae8dca72 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -62,7 +62,7 @@ MODULE_PARM_DESC(pq_sources,
 static int timeout = 3000;
 module_param(timeout, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), "
-                 "Pass -1 for infinite timeout");
+                 "Pass 0xFFFFFFFF (4294967295) for maximum timeout");
 
 static bool noverify;
 module_param(noverify, bool, S_IRUGO | S_IWUSR);
@@ -94,7 +94,7 @@ MODULE_PARM_DESC(transfer_size, "Optional custom transfer size in bytes (default
  * @iterations:         iterations before stopping test
  * @xor_sources:        number of xor source buffers
  * @pq_sources:         number of p+q source buffers
- * @timeout:            transfer timeout in msec, -1 for infinite timeout
+ * @timeout:            transfer timeout in msec, 0 - 0xFFFFFFFF (4294967295)
  */
 struct dmatest_params {
         unsigned int    buf_size;
@@ -105,7 +105,7 @@ struct dmatest_params {
         unsigned int    iterations;
         unsigned int    xor_sources;
         unsigned int    pq_sources;
-        int             timeout;
+        unsigned int    timeout;
         bool            noverify;
         bool            norandom;
         int             alignment;