linux-kernel - [PATCH v5 4/6] Documentation: Correction in HID output

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Date:   Thu,  7 Jul 2022 09:59:00 -0700
From:   Jarrett Schultz <jaschultzms@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Dmitry Antipov <dmanti@...rosoft.com>, linux-input@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Jarrett Schultz <jaschultz@...rosoft.com>
Subject: [PATCH v5 4/6] Documentation: Correction in HID output_report callback description.

From: Jarrett Schultz <jaschultz@...rosoft.com>

Originally output_report callback was described as must-be asynchronous,
but that is not the case in some implementations, namely i2c-hid.
Correct the documentation to say that it may be asynchronous.

Signed-off-by: Dmitry Antipov <dmanti@...rosoft.com>
---
 Documentation/hid/hid-transport.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/hid/hid-transport.rst b/Documentation/hid/hid-transport.rst
index 6f1692da296c..2008cf432af1 100644
--- a/Documentation/hid/hid-transport.rst
+++ b/Documentation/hid/hid-transport.rst
@@ -327,8 +327,8 @@ The available HID callbacks are:
 
    Send raw output report via intr channel. Used by some HID device drivers
    which require high throughput for outgoing requests on the intr channel. This
-   must not cause SET_REPORT calls! This must be implemented as asynchronous
-   output report on the intr channel!
+   must not cause SET_REPORT calls! This call might be asynchronous, so the
+   caller should not expect an immediate response!
 
    ::
 
-- 
2.25.1