linux-kernel - [PATCH] ARM: dts: rainier: Disable internal pull-downs on eMMC pins

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 10 Sep 2020 12:41:43 +0930
From:   Andrew Jeffery <andrew@...id.au>
To:     joel@....id.au
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: rainier: Disable internal pull-downs on eMMC pins

There's a veritable tug-of-war going on in the design, so disable one of
the warring parties.

Signed-off-by: Andrew Jeffery <andrew@...id.au>
---
 arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 1fa233d2da26..21ae880c7530 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -180,6 +180,10 @@ &emmc_controller {
 	status = "okay";
 };
 
+&pinctrl_emmc_default {
+	bias-disable;
+};
+
 &emmc {
 	status = "okay";
 };
-- 
2.25.1