U-Boot Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Debbie Horsfall <debbie.horsfall@arm.com>
To: u-boot@lists.denx.de
Cc: trini@konsulko.com, fenghua@phytium.com.cn,
	linus.walleij@linaro.org, Peter.Hoyes@arm.com,
	liviu.dudau@foss.arm.com
Subject: [PATCH 1/2] vexpress64: Set the DM_RNG property
Date: Wed, 10 Sep 2025 16:13:41 +0100	[thread overview]
Message-ID: <20250910151342.204255-1-debbie.horsfall@arm.com> (raw)

Enable the DM_RNG virtio random number generator driver in order to
consume entropy within U-Boot. This allows U-Boot to inject entropy to the
kernel via UEFI, so the kernel can use that early, for instance for
address layout randomisation, or when the kernel does not provide an
entropy driver itself.

Signed-off-by: Debbie Horsfall <debbie.horsfall@arm.com>
---
 board/armltd/vexpress64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/board/armltd/vexpress64/Kconfig b/board/armltd/vexpress64/Kconfig
index 7e8709444fe..f413c51ac43 100644
--- a/board/armltd/vexpress64/Kconfig
+++ b/board/armltd/vexpress64/Kconfig
@@ -21,6 +21,7 @@ config VEXPRESS64_BASE_MODEL
 	imply EFI_SET_TIME if DM_RTC
 	select LINUX_KERNEL_IMAGE_HEADER
 	select POSITION_INDEPENDENT
+	imply DM_RNG
 
 choice
 	prompt "VExpress64 board variant"
-- 
2.43.0


             reply	other threads:[~2025-09-10 15:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-10 15:13 Debbie Horsfall [this message]
2025-09-10 15:13 ` [PATCH 2/2] arm: vexpress64: Enable SYSRESET and SYSRESET_PSCI Debbie Horsfall
2025-09-12 14:26   ` Andre Przywara
2025-09-12 14:26 ` [PATCH 1/2] vexpress64: Set the DM_RNG property Andre Przywara

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250910151342.204255-1-debbie.horsfall@arm.com \
    --to=debbie.horsfall@arm.com \
    --cc=Peter.Hoyes@arm.com \
    --cc=fenghua@phytium.com.cn \
    --cc=linus.walleij@linaro.org \
    --cc=liviu.dudau@foss.arm.com \
    --cc=trini@konsulko.com \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox