linux-kernel - Re: [PATCH 03/12] gpio: omap: use devm_irq_alloc

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Date:   Mon, 6 Mar 2017 08:50:19 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Kevin Hilman <khilman@...nel.org>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <marc.zyngier@....com>,
        Aaro Koskinen <aaro.koskinen@....fi>
Subject: Re: [PATCH 03/12] gpio: omap: use devm_irq_alloc_descs()

* Bartosz Golaszewski <bgolaszewski@...libre.com> [170304 08:33]:
> This driver never frees the allocated interrupt descriptors. Fix it by
> using a resource managed variant of irq_alloc_descs().
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>

Would be good to get Aaro's ack on this one.

Regards,

Tony

> ---
>  drivers/gpio/gpio-omap.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
> index efc85a2..5d6a574 100644
> --- a/drivers/gpio/gpio-omap.c
> +++ b/drivers/gpio/gpio-omap.c
> @@ -1085,7 +1085,8 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
>  	 * REVISIT: Once we have OMAP1 supporting SPARSE_IRQ, we can drop
>  	 * irq_alloc_descs() since a base IRQ offset will no longer be needed.
>  	 */
> -	irq_base = irq_alloc_descs(-1, 0, bank->width, 0);
> +	irq_base = devm_irq_alloc_descs(bank->chip.parent,
> +					-1, 0, bank->width, 0);
>  	if (irq_base < 0) {
>  		dev_err(bank->chip.parent, "Couldn't allocate IRQ numbers\n");
>  		return -ENODEV;
> -- 
> 2.9.3
> 
> --
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