linux-kernel - Re: [PATCH 2/4] dt-bindings: reset Add AST2700 reset bindings

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]

Message-ID: <4f1c275d-63bd-4649-9517-17ac4f20e3bf@kernel.org>
Date: Fri, 9 Aug 2024 08:07:23 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Ryan Chen <ryan_chen@...eedtech.com>,
 Christophe JAILLET <christophe.jaillet@...adoo.fr>,
 Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>,
 Andrew Jeffery <andrew@...econstruct.com.au>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>
Subject: Re: [PATCH 2/4] dt-bindings: reset Add AST2700 reset bindings

On 09/08/2024 07:42, Ryan Chen wrote:
>>> +#define SCU0_RESET_PORTA_EHCI              (38)
>>> +#define SCU0_RESET_PORTA_VHUB0             (38)
>>
>> Is having 38 twice expected?
>> If not, why not use an enum, BTW?
>>
> Yes, it is expected. Due to 38 is shared reset for 2 usb controller.
> One for EHCI, another is for vhub0. So I do define the same value.
> That I can do more clear in dtsi description.
> The following will be expected dtsi file descript.

No, that's confusing. Don't do this. You are hiding information that one
reset is shared. Terrible idea.

Best regards,
Krzysztof