Re: [PATCH v2 1/2] gpio: davinci: Shuffle IRQ resource fetching from DT to beginning of probe

From: Alexander Stein
Date: Tue Jun 12 2018 - 01:54:09 EST


On Tuesday, June 12, 2018, 7:27:52 AM CEST Keerthy wrote:
> This is needed in case of PROBE_DEFER if IRQ resource is not yet ready.
>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
> [...]
> --- a/drivers/gpio/gpio-davinci.c
> +++ b/drivers/gpio/gpio-davinci.c
> [...]
> @@ -168,7 +168,7 @@ static int davinci_gpio_probe(struct platform_device *pdev)
> {
> static int ctrl_num, bank_base;
> int gpio, bank, ret = 0;
> - unsigned ngpio, nbank;
> + unsigned ngpio, nbank, bank_irq;

bank_irq should be an int, not unsigned, no?

> struct davinci_gpio_controller *chips;
> struct davinci_gpio_platform_data *pdata;
> struct device *dev = &pdev->dev;
> @@ -209,6 +209,12 @@ static int davinci_gpio_probe(struct platform_device *pdev)
> if (IS_ERR(gpio_base))
> return PTR_ERR(gpio_base);
>
> + bank_irq = platform_get_irq(pdev, 0);
> + if (bank_irq < 0) {

This won't work using an unsigned.

Best regards,
Alexander