Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20220920103108.23074-1-jay.xu@rock-chips.com> <20220920103108.23074-12-jay.xu@rock-chips.com>
In-Reply-To: <20220920103108.23074-12-jay.xu@rock-chips.com>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Tue, 4 Oct 2022 09:14:38 +0200
Message-ID: <CACRpkdZSCamhBD-M8CkZt6B3N9c2Jo_D3kwgOykj8+VJ_otYGQ@mail.gmail.com>
Subject: Re: [PATCH 11/20] gpio/rockchip: add of_node for gpiochip
To:     Jianqun Xu <jay.xu@rock-chips.com>
Cc:     heiko@sntech.de, brgl@bgdev.pl, andriy.shevchenko@linux.intel.com,
        robert.moore@intel.com, robh@kernel.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
        lenb@kernel.org, rafael@kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Tue, Sep 20, 2022 at 12:31 PM Jianqun Xu <jay.xu@rock-chips.com> wrote:

> The Rockchip GPIO driver will probe before pinctrl and has no parent dt
> node, lack of the of_node will cause the driver probe failure.
>
> Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>

> +#ifdef CONFIG_OF_GPIO
> +       gc->of_node = of_node_get(bank->dev->of_node);
> +#endif

Any introduction of of_node_get() needs to be balanced with a
corresponding of_node_put().

Yours,
Linus Walleij