1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index ae462d352110..4e528dd30ad5 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3482,7 +3482,7 @@ static int __init d40_of_probe(struct platform_device *pdev,
                                struct device_node *np)
 {
         struct stedma40_platform_data *pdata;
-        int num_memcpy = 0;
+        int num_phy = 0, num_memcpy = 0;
         const const __be32 *list;
 
         pdata = devm_kzalloc(&pdev->dev,
@@ -3491,6 +3491,11 @@ static int __init d40_of_probe(struct platform_device *pdev,
         if (!pdata)
                 return -ENOMEM;
 
+        /* If absent this value will be obtained from h/w. */
+        of_property_read_u32(np, "dma-channels", &num_phy);
+        if (num_phy > 0)
+                pdata->num_of_phy_chans = num_phy;
+
         list = of_get_property(np, "memcpy-channels", &num_memcpy);
         num_memcpy /= sizeof(*list);