Message-ID: <bbc824ee-ef4e-40cb-f009-0d693d757869@asahilina.net>
Date:   Fri, 24 Feb 2023 23:44:59 +0900
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Subject: Re: [PATCH 2/5] rust: device: Add a minimal RawDevice trait
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To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Miguel Ojeda <ojeda@kernel.org>,
        Alex Gaynor <alex.gaynor@gmail.com>,
        Wedson Almeida Filho <wedsonaf@gmail.com>,
        Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>,
        =?UTF-8?Q?Bj=c3=b6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>,
        Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Joerg Roedel <joro@8bytes.org>,
        Hector Martin <marcan@marcan.st>,
        Sven Peter <sven@svenpeter.dev>, Arnd Bergmann <arnd@arndb.de>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Alyssa Rosenzweig <alyssa@rosenzweig.io>,
        Neal Gompa <neal@gompa.dev>, rust-for-linux@vger.kernel.org,
        linux-kernel@vger.kernel.org, asahi@lists.linux.dev
References: <20230224-rust-iopt-rtkit-v1-0-49ced3391295@asahilina.net>
 <20230224-rust-iopt-rtkit-v1-2-49ced3391295@asahilina.net>
 <Y/ieQ0UX/niAG1Hg@kroah.com>
 <ef3a3638-6381-87ab-d674-644306b6b6ce@asahilina.net>
 <Y/jFeZzZVCpBGvGv@kroah.com> <Y/jHeP4LileLYxO8@kroah.com>
From:   Asahi Lina <lina@asahilina.net>
In-Reply-To: <Y/jHeP4LileLYxO8@kroah.com>
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On 2023/02/24 23:19, Greg Kroah-Hartman wrote:>> Can we see some users
of this code posted so I can see how struct device
>> is going to work in a rust driver?  That's the thing I worry most about
>> the rust/C interaction here as we have two different ways of thinking
>> about reference counts from the two worlds and putting them together is
>> going to be "interesting", as can be seen here already.
> 
> Also, where are you getting your 'struct device' from in the first
> place?  What bus is createing it and giving it to your rust driver?

That would be platform for my GPU driver, matched via OF compatible.

~~ Lina