linux-kernel - Re: [PATCH v5 01/11] firmware: raspberrypi: Keep count of all consumers

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Date:   Wed, 2 Dec 2020 09:26:15 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        u.kleine-koenig@...gutronix.de, linux-kernel@...r.kernel.org,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com
Cc:     linux-pwm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, wahrenst@....net,
        linux-input@...r.kernel.org, dmitry.torokhov@...il.com,
        gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        p.zabel@...gutronix.de, linux-gpio@...r.kernel.org,
        linus.walleij@...aro.org, linux-clk@...r.kernel.org,
        sboyd@...nel.org, linux-rpi-kernel@...ts.infradead.org,
        bgolaszewski@...libre.com, andy.shevchenko@...il.com
Subject: Re: [PATCH v5 01/11] firmware: raspberrypi: Keep count of all
 consumers



On 11/23/2020 10:38 AM, Nicolas Saenz Julienne wrote:
> When unbinding the firmware device we need to make sure it has no
> consumers left. Otherwise we'd leave them with a firmware handle
> pointing at freed memory.
> 
> Keep a reference count of all consumers and introduce rpi_firmware_put()
> which will permit automatically decrease the reference count upon
> unbinding consumer drivers.
> 
> Suggested-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>

This looks fine to me, just one nit below:

[snip]

>  /**
> - * rpi_firmware_get - Get pointer to rpi_firmware structure.

Is not removing this line going to create a kernel doc warning?

With that fixed:

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian