Messages in this thread | | | Date | Wed, 7 Dec 2016 09:57:16 +0100 | From | Alexandre Belloni <> | Subject | Re: [PATCH 1/2] ARM: dts: at91: sama5d4: change DMA allocation for secure peripherals |
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On 30/11/2016 at 18:36:29 +0100, Nicolas Ferre wrote : > Some peripherals are "Programmable Secure" but left as "Secure" by default. > If tried to be connected to Non-Secure DMA controller, the possibility to > leak secure data is prevented so using these peripherals with DMA1 is not > possible with this default configuration (MATRIX_SPSELR registers setup by > bootloader). > Move them to DMA0 which is an "Always-Secure" DMA controller. > > Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> > --- > arch/arm/boot/dts/sama5d4.dtsi | 16 ++++++++-------- > 1 file changed, 8 insertions(+), 8 deletions(-) > All applied, thanks.
-- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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