From: a0131933@ti.com (Lokesh Vutla) Date: Mon, 14 Mar 2016 14:43:41 +0530 Subject: [PATCH] ARM: dts: am43xx: fix edma memcpy channel allocation In-Reply-To: <1457946110-4612-1-git-send-email-t-kristo@ti.com> References: <1457946110-4612-1-git-send-email-t-kristo@ti.com> Message-ID: <56E680C5.5000409@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 14 March 2016 02:31 PM, Tero Kristo wrote: > 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. Reviewed-by: Lokesh Vutla Thanks and regards, Lokesh > > Signed-off-by: Tero Kristo > Suggested-by: Peter Ujfalusi > --- > arch/arm/boot/dts/am4372.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi > index 92068fb..cdd3d78 100644 > --- 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 at 49800000 { >