Re: [PATCH] pinctrl/nomadik: always use the simple irqdomain

From: Lee Jones
Date: Thu Oct 11 2012 - 11:15:55 EST


> From: Linus Walleij <linus.walleij@xxxxxxxxxx>
>
> Since the simple irqdomain will fall back to a linear domain
> if the first_irq provided is <= 0, just use this, just make
> sure the first_irq is negative in the device tree case.
>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> ---
> drivers/pinctrl/pinctrl-nomadik.c | 13 +++----------
> 1 file changed, 3 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
> index 992982c..a4a4247 100644
> --- a/drivers/pinctrl/pinctrl-nomadik.c
> +++ b/drivers/pinctrl/pinctrl-nomadik.c
> @@ -1277,6 +1277,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
> struct clk *clk;
> int secondary_irq;
> void __iomem *base;
> + int irq_start = -1;
> int irq;
> int ret;
>
> @@ -1380,19 +1381,11 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev)
>
> platform_set_drvdata(dev, nmk_chip);
>
> - if (np) {
> - /* The DT case will just grab a set of IRQ numbers */
> - nmk_chip->domain = irq_domain_add_linear(np, NMK_GPIO_PER_CHIP,
> - &nmk_gpio_irq_simple_ops, nmk_chip);
> - } else {
> - /* Non-DT legacy mode, use hardwired IRQ numbers */
> - int irq_start;
> -
> + if (!np)
> irq_start = NOMADIK_GPIO_TO_IRQ(pdata->first_gpio);
> - nmk_chip->domain = irq_domain_add_simple(NULL,
> + nmk_chip->domain = irq_domain_add_simple(NULL,
> NMK_GPIO_PER_CHIP, irq_start,
> &nmk_gpio_irq_simple_ops, nmk_chip);
> - }
> if (!nmk_chip->domain) {
> dev_err(&dev->dev, "failed to create irqdomain\n");
> ret = -ENOSYS;

Looks good:

Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>

--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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