From: Jiri Kosina <jikos@kernel.org>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>,
Fabian Henneke <fabian.henneke@gmail.com>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] hidraw: Fix returning EPOLLOUT from hidraw_poll
Date: Mon, 9 Dec 2019 13:53:15 +0100 (CET) [thread overview]
Message-ID: <nycvar.YFH.7.76.1912091353020.4603@cbobk.fhfr.pm> (raw)
In-Reply-To: <20191204023713.3983-1-marcel@holtmann.org>
On Wed, 4 Dec 2019, Marcel Holtmann wrote:
> When polling a connected /dev/hidrawX device, it is useful to get the
> EPOLLOUT when writing is possible. Since writing is possible as soon as
> the device is connected, always return it.
>
> Right now EPOLLOUT is only returned when there are also input reports
> are available. This works if devices start sending reports when
> connected, but some HID devices might need an output report first before
> sending any input reports. This change will allow using EPOLLOUT here as
> well.
>
> Fixes: 378b80370aa1 ("hidraw: Return EPOLLOUT from hidraw_poll")
> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
> Cc: stable@vger.kernel.org
Applied, thanks Marcel.
--
Jiri Kosina
SUSE Labs
prev parent reply other threads:[~2019-12-09 12:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-04 2:37 [PATCH] hidraw: Fix returning EPOLLOUT from hidraw_poll Marcel Holtmann
2019-12-09 12:53 ` Jiri Kosina [this message]
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