linux-kernel - Re: [PATCH v4 3/4] Input: atmel_mxt_ts - add option to disable firmware loading

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Message-ID: <20201123065614.GD2034289@dtor-ws>
Date:   Sun, 22 Nov 2020 22:56:14 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Andrej Valek <andrej.valek@...mens.com>
Cc:     robh@...nel.org, nick@...anahar.org, hadess@...ess.net,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v4 3/4] Input: atmel_mxt_ts - add option to disable
 firmware loading

Hi Andrej,

On Tue, Nov 10, 2020 at 07:15:49PM +0100, Andrej Valek wrote:
> Firmware file loadind for mXT336U controller takes too much time (~60s).
> There is no check that configuration is the same which is already present.
> This happens always during boot, which makes touchscreen unusable.
> 
> Add there an option to prevent firmware file loading, but keep it enabled
> by default.

Automatically updating firmware and config on driver probe was a
mistake, and I am planning on removing the code altogether and expect
userspace to determine if flashing is needed and request it explicitly,
so this option is not really needed.

Thanks.

-- 
Dmitry