Messages in this thread Patch in this message | | | From | Andrew Davis <> | Subject | [PATCH v2 1/4] arm64: dts: ti: k3-am65-main: Disable RNG node | Date | Wed, 6 Jul 2022 14:08:35 -0500 |
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The hardware random number generator is used by OP-TEE and is access is denied to other users with SoC level bus firewalls. Any access to this device from Linux will result in firewall errors. Disable this node.
Signed-off-by: Andrew Davis <afd@ti.com> ---
Changes from v1: - Added comment in dtsi file
arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index e749343accedd..9de5a8294acd6 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -127,6 +127,7 @@ rng: rng@4e10000 { reg = <0x0 0x4e10000 0x0 0x7d>; interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>; clocks = <&k3_clks 136 1>; + status = "disabled"; /* Used by OP-TEE */ }; }; -- 2.36.1
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