ARM: dts: am43xx: fix edma memcpy channel allocation

EDMA was allocating DMA channels 32 and 33 for memcpy usage, out of which
channel 33 is actually used by DES crypto engine. This bad allocation of
the channel causes a crash in the DES crypto engine, as the channel
gets configured for memcpy usage instead of hardware <-> memory DMA.

Fixed by allocating DMA channels 58 and 59 for memcpy usage (I2C0 RX/TX),
which are not used by anybody.

Fixes: cce1ee000187 ("ARM: DTS: am437x: Use the new DT bindings for
the eDMA3")
Cc: stable@vger.kernel.org # v4.4+
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Suggested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 6e4f5af3d8f8b607bc0bce45cd419169b0f7945d..344b861a55a5bc6f9652ec1dce8fcb22ad256042 100644 (file)
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -207,7 +207,7 @@
                        ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 5>,
                                   <&edma_tptc2 0>;
 
-                       ti,edma-memcpy-channels = <32 33>;
+                       ti,edma-memcpy-channels = <58 59>;
                };
 
                edma_tptc0: tptc@49800000 {