linux-kernel - Re: [PATCH v1 1/2] clk: starfive: Fix RESET_STARFIVE_JH7110 can't be selected in a specified case

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] [day] [month] [year] [list]

Message-ID: <18211b73-346d-d6ca-6d34-bc84184f8f55@starfivetech.com>
Date:   Tue, 18 Apr 2023 20:42:24 +0800
From:   Hal Feng <hal.feng@...rfivetech.com>
To:     Conor Dooley <conor.dooley@...rochip.com>
CC:     Stephen Boyd <sboyd@...nel.org>, <linux-clk@...r.kernel.org>,
        <oe-kbuild-all@...ts.linux.dev>, <linux-mm@...ck.org>,
        Michael Turquette <mturquette@...libre.com>,
        Paul Gazzillo <paul@...zz.com>,
        "Necip Fazil Yildiran" <fazilyildiran@...il.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Xingyu Wu <xingyu.wu@...rfivetech.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/2] clk: starfive: Fix RESET_STARFIVE_JH7110 can't be
 selected in a specified case

On Tue, 18 Apr 2023 07:31:47 +0100, Conor Dooley wrote:
> On Tue, Apr 18, 2023 at 10:14:06AM +0800, Hal Feng wrote:
>> On Mon, 17 Apr 2023 17:22:01 -0700, Stephen Boyd wrote:
>> > Quoting Conor Dooley (2023-04-17 03:18:35)
> 
>> >> Aye, just the explicit dependency seems like it'd be less fragile and
>> >> more obvious in the future.
>> > 
>> > Agreed. Be explicit so we don't have to hunt down select dependencies.
>> 
>> With further consideration, on the other hand, if we set `if ARCH_STARFIVE`
>> here, it can point out that we need the reset driver to boot up JH7110
>> besides the clock drivers, and the reset driver is not a necessary option
>> for compilation test. So the reset driver is independent to the clock
>> drivers when you doing a compilation test.
> 
> If ARCH_STARFIVE is enabled, both options (RESET_CONTROLLER &
> RESET_STARFIVE_JH7110) will be selected & you don't need to worry about
> people not realising this. Try it out & look at the option in
> menuconfig.
> 
>> If we set `if RESET_CONTROLLER` here, the reset driver will be compiled
>> automatically when (ARCH_STARFIVE [=n] && COMPILE_TEST [=y] && 
>> RESET_CONTROLLER [=y] && CLK_STARFIVE_JH7110_SYS [=y]).
> 
> This is what we want, right? The more often it gets built by randconfig
> etc the better, especially for archs that are not RISC-V.

OK, will fix it in v2.

Best regards,
Hal