From nobody Mon Feb 9 05:20:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 62D1D277CB0; Thu, 4 Dec 2025 15:14:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764861247; cv=none; b=Uj788xn8kEkqgwwgGYuUh0Ns33njkinTPviAVuxaC3frDoCx8vQM/fe9lQ/ztkMVx13uyF0K24uYcU/THd1P31XV9IPqGwcSC2ZWK67uvDhLzDHV2tNtbRKGk4/IyGxErfc9jgTljE8MbjoVEHlWkDTtgatftfU6fc5pt6AyE9g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764861247; c=relaxed/simple; bh=nkadmEomxwETEzmfGO5mM+yNZFnMxG3znRQZq8FbyOY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=kbIPgkvfObtGWSiyNmpgRgIgJ5jI7tT9s+OtthjO2rUrCaUMB4Kh2pggbwCkEBv7s4y5jtF7Cvj5ub2aOuw9ismepLye73fTmiKB0qZr7w7/VA/IXTdsVCgi29BMdsaIdj+vNm/nka8Z694tMMPZpobMr+Tl9L8wmrPFTf2BJA4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id CEE0BC4CEFB; Thu, 4 Dec 2025 15:14:05 +0000 (UTC) From: Geert Uytterhoeven To: Jonathan Corbet , Thierry Reding , Jassi Brar Cc: linux-doc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH] Documentation: mailbox: mbox_chan_ops.flush() is optional Date: Thu, 4 Dec 2025 16:14:02 +0100 Message-ID: <6a50a5d4f0d0da26e5cccf348550879e53792e6e.1764861174.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" When the optional .flush() method was added to the mbox_chan structure, the documentation was not updated. Fixes: a8803d7421cc2be2 ("mailbox: Support blocking transfers in atomic con= text") Signed-off-by: Geert Uytterhoeven --- Documentation/driver-api/mailbox.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/driver-api/mailbox.rst b/Documentation/driver-ap= i/mailbox.rst index 0ed95009cc307a41..463dd032b96cd45d 100644 --- a/Documentation/driver-api/mailbox.rst +++ b/Documentation/driver-api/mailbox.rst @@ -27,7 +27,7 @@ Controller Driver (See include/linux/mailbox_controller.h) =20 =20 Allocate mbox_controller and the array of mbox_chan. -Populate mbox_chan_ops, except peek_data() all are mandatory. +Populate mbox_chan_ops, except flush() and peek_data() all are mandatory. The controller driver might know a message has been consumed by the remote by getting an IRQ or polling some hardware flag or it can never know (the client knows by way of the protocol). --=20 2.43.0