From: Andrew Davis Date: Tue, 23 Aug 2022 00:11:33 +0000 (-0500) Subject: arm64: dts: ti: k3-am65-main: Disable RNG node X-Git-Tag: v6.1-rc1~154^2~11^2~12 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1ad4669b4bbe6b72784acdb5b24f72b22ad8f1d1;p=thirdparty%2Flinux.git arm64: dts: ti: k3-am65-main: Disable RNG node 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. We could remove this node, but it is still valid device description, and it is possible it could be re-enabled in the bootloader if OP-TEE is not used. So only disable this node for now. Signed-off-by: Andrew Davis Signed-off-by: Vignesh Raghavendra Reviewed-by: Jayesh Choudhary Link: https://lore.kernel.org/r/20220823001136.10944-1-afd@ti.com --- diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 8919fede3cd76..b3e714e1abed8 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 @@ reg = <0x0 0x4e10000 0x0 0x7d>; interrupts = ; clocks = <&k3_clks 136 1>; + status = "disabled"; /* Used by OP-TEE */ }; };