On Tue, Jul 18, 2017 at 04:27:14PM +0530, Keerthy wrote:
> Currently davinci_gpio_irq_setup return value is ignored. Handle the
> return value appropriately.
>
> Signed-off-by: Keerthy <j-keer...@ti.com>
> ---
> drivers/gpio/gpio-davinci.c | 18 +++++++++++++-----
> 1 file changed, 13 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
> index 2c88054..932f270 100644
> --- a/drivers/gpio/gpio-davinci.c
> +++ b/drivers/gpio/gpio-davinci.c
> @@ -233,15 +233,23 @@ static int davinci_gpio_probe(struct platform_device
> *pdev)
> chips->regs[bank] = gpio_base + offset_array[bank];
>
> ret = devm_gpiochip_add_data(dev, &chips->chip, chips);
> + if (ret)
> + goto err;
> +
> + platform_set_drvdata(pdev, chips);
> + ret = davinci_gpio_irq_setup(pdev);
> if (ret) {
> - ctrl_num = 0;
> - bank_base = 0;
> - return ret;
> + platform_set_drvdata(pdev, NULL);
> + goto err;
> }
>
> - platform_set_drvdata(pdev, chips);
> - davinci_gpio_irq_setup(pdev);
> return 0;
There's a separate but related bug here too as the clk_prepare_enable()
in davinci_gpio_irq_setup() is never balanced on driver unbind.
Johan
