1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/dma/ti-dma-crossbar.c b/drivers/dma/ti-dma-crossbar.c
index 7df910e7c348..9272b173c746 100644
--- a/drivers/dma/ti-dma-crossbar.c
+++ b/drivers/dma/ti-dma-crossbar.c
@@ -54,7 +54,15 @@ struct ti_am335x_xbar_map {
 
 static inline void ti_am335x_xbar_write(void __iomem *iomem, int event, u8 val)
 {
-        writeb_relaxed(val, iomem + event);
+        /*
+         * TPCC_EVT_MUX_60_63 register layout is different than the
+         * rest, in the sense, that event 63 is mapped to lowest byte
+         * and event 60 is mapped to highest, handle it separately.
+         */
+        if (event >= 60 && event <= 63)
+                writeb_relaxed(val, iomem + (63 - event % 4));
+        else
+                writeb_relaxed(val, iomem + event);
 }
 
 static void ti_am335x_xbar_free(struct device *dev, void *route_data)