linux-kernel - Re: [PATCH] HID: cp2112: prevent sleeping function called from invalid context

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Message-ID: <nycvar.YFH.7.76.1908191413200.27147@cbobk.fhfr.pm>
Date:   Mon, 19 Aug 2019 14:13:35 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
cc:     David Barksdale <dbarksdale@...ogix.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: cp2112: prevent sleeping function called from
 invalid context

On Mon, 12 Aug 2019, Benjamin Tissoires wrote:

> When calling request_threaded_irq() with a CP2112, the function
> cp2112_gpio_irq_startup() is called in a IRQ context.
> 
> Therefore we can not sleep, and we can not call
> cp2112_gpio_direction_input() there.
> 
> Move the call to cp2112_gpio_direction_input() earlier to have a working
> driver.
> 
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Pushed out to for-5.3/upstream-fixes.

-- 
Jiri Kosina
SUSE Labs