linux-kernel - [PATCH 3/3] ARM: dts: dra7: workaround silicon limitation i845

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

Date:   Tue, 23 Aug 2016 11:57:41 +0300
From:   Roger Quadros <rogerq@...com>
To:     <kishon@...com>, <tony@...mide.com>
CC:     <robh+dt@...nel.org>, <nsekhar@...com>,
        <linux-omap@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Roger Quadros <rogerq@...com>
Subject: [PATCH 3/3] ARM: dts: dra7: workaround silicon limitation i845

From: Sekhar Nori <nsekhar@...com>

Silicon limitation i845 documents how to cope with false
disconnection condition on USB2 PHY. Reference: AM572x
silicon errata document SPRZ429H, revised January 2016.

Using compatible "ti,dra7x-usb2" enables the recommended
software workaround for this issue. Use it for USB1 PHY.

The workaround is already in place for USB2 PHY.

Signed-off-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Roger Quadros <rogerq@...com>
---
 arch/arm/boot/dts/dra7.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index d9bfb94..df0dcbc 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -1413,7 +1413,7 @@
 			ti,hwmods = "ocp2scp1";
 
 			usb2_phy1: phy@...84000 {
-				compatible = "ti,omap-usb2";
+				compatible = "ti,dra7x-usb2", "ti,omap-usb2";
 				reg = <0x4a084000 0x400>;
 				syscon-phy-power = <&scm_conf 0x300>;
 				clocks = <&usb_phy1_always_on_clk32k>,
-- 
2.7.4