[PATCH v6 01/11] firmware: raspberrypi: Keep count of all consumers
Stephen Boyd
sboyd at kernel.org
Sun Dec 13 00:14:01 EST 2020
Quoting Nicolas Saenz Julienne (2020-12-11 08:47:50)
> 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 at pengutronix.de>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
> Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
>
> ---
Reviewed-by: Stephen Boyd <sboyd at kernel.org>
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