From: sashiko-bot@kernel.org
To: "Daniel Almeida" <daniel.almeida@collabora.com>
Cc: linux-pci@vger.kernel.org
Subject: Re: [PATCH 6/7] rust: io: register: add `#[ro]` and `#[wo]` attributes
Date: Thu, 15 Oct 2026 12:47:18 +0000 [thread overview]
Message-ID: <sashiko-outbox-172862@kernel.org> (raw)
In-Reply-To: <20261015-io-access-modes-v1-6-93611b84b5e3@collabora.com>
> `register!` gives every register a location with the `ReadWrite` access
> mode, so any register can be read, written and updated, including the
> ones the hardware defines as read-only or write-only.
>
> Add the `#[ro]` and `#[wo]` attributes, which make the macro use the
> `ReadOnly` or `WriteOnly` mode instead: in the register's `OffsetLoc`
> for fixed registers, and as `RegisterArray::Access` for arrays. Reading
> a write-only register, or writing or updating a read-only one, then does
> not compile. An alias does not inherit the mode of the register it
> aliases. Add an example to the `register!` documentation.
>
> The tyr driver uses the attributes in a following patch.
>
> Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261015-io-access-modes-v1-0-93611b84b5e3@collabora.com?part=6
next prev parent reply other threads:[~2026-10-15 12:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 12:39 [PATCH 0/7] rust: io: add read-only and write-only views and registers Daniel Almeida
2026-10-15 12:39 ` [PATCH 1/7] rust: io: split IoCapable into IoReadable and IoWritable Daniel Almeida
2026-10-15 12:46 ` sashiko-bot
2026-10-15 12:39 ` [PATCH 2/7] rust: io: split IoCopyable into IoCopyReadable and IoCopyWritable Daniel Almeida
2026-10-15 12:44 ` sashiko-bot
2026-10-15 12:39 ` [PATCH 3/7] rust: io: add read-only and write-only views Daniel Almeida
2026-10-15 12:44 ` sashiko-bot
2026-10-15 12:39 ` [PATCH 4/7] rust: io: project primitive accessors directly Daniel Almeida
2026-10-15 12:44 ` sashiko-bot
2026-10-15 12:39 ` [PATCH 5/7] rust: io: let I/O locations carry an access mode Daniel Almeida
2026-10-15 12:50 ` sashiko-bot
2026-10-15 12:39 ` [PATCH 6/7] rust: io: register: add `#[ro]` and `#[wo]` attributes Daniel Almeida
2026-10-15 12:47 ` sashiko-bot [this message]
2026-10-15 12:39 ` [PATCH 7/7] drm/tyr: mark read-only and write-only registers Daniel Almeida
2026-10-15 12:43 ` sashiko-bot
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