From mboxrd@z Thu Jan  1 00:00:00 1970
From: gnurou@gmail.com (Alexandre Courbot)
Date: Tue, 30 Jun 2015 22:46:53 +0900
Subject: [PATCH] gpio: zynq: Fix problem with unbalanced pm_runtime_enable
In-Reply-To: <b4b2bb2d7747f8c9223fb50fd2868f77a7c7f63a.1435220957.git.michal.simek@xilinx.com>
References: <b4b2bb2d7747f8c9223fb50fd2868f77a7c7f63a.1435220957.git.michal.simek@xilinx.com>
Message-ID: <CAAVeFu+Ur_3ZKsRJh2hH1fzsAouNPxOvqdU_hqDUVu26U5EkDg@mail.gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Thu, Jun 25, 2015 at 5:29 PM, Michal Simek <michal.simek@xilinx.com> wrote:
> Add missing pm_runtime_disabled to remove().
>
> Error log:
> root at zynqmp:~# modprobe gpio_zynq
> root at zynqmp:~# lsmod
>     Not tainted
> gpio_zynq 7086 0 - Live 0xffffffbffc00a000
> root at zynqmp:~# rmmod gpio_zynq
> root at zynqmp:~# lsmod
>     Not tainted
> root at zynqmp:~# modprobe gpio_zynq
> [  246.924438] zynq-gpio ff0a0000.gpio: Unbalanced pm_runtime_enable!
> root at zynqmp:~# rmmod gpio_zynq
> root at zynqmp:~# lsmod
>     Not tainted

Yup, this was missing indeed.

Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>

>
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>
>  drivers/gpio/gpio-zynq.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
> index 2e87c4b8da26..a78882389836 100644
> --- a/drivers/gpio/gpio-zynq.c
> +++ b/drivers/gpio/gpio-zynq.c
> @@ -757,6 +757,7 @@ static int zynq_gpio_remove(struct platform_device *pdev)
>         gpiochip_remove(&gpio->chip);
>         clk_disable_unprepare(gpio->clk);
>         device_set_wakeup_capable(&pdev->dev, 0);
> +       pm_runtime_disable(&pdev->dev);
>         return 0;
>  }
>
> --
> 2.3.5
>