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SubjectRE: [PATCH V2 2/7] DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP
Date
Hi Thomas,
Again sorry for top post.

I agree and will fix both of the comments below.

Thanks for the reviews.

Regards,
Sricharan
________________________________________
From: Thomas Gleixner [tglx@linutronix.de]
Sent: Wednesday, October 30, 2013 9:00 PM
To: R, Sricharan
Cc: linux-kernel@vger.kernel.org; devicetree@vger.kernel.org; linux-doc@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-omap@vger.kernel.org; linus.walleij@linaro.org; linux@arm.linux.org.uk; tony@atomide.com; Nayak, Rajendra; marc.zyngier@arm.com; grant.likely@linaro.org; mark.rutland@arm.com; robherring2@gmail.com; Shilimkar, Santosh; Rob Herring
Subject: Re: [PATCH V2 2/7] DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP

On Wed, 30 Oct 2013, Sricharan R wrote:
> +static inline const u32 allocate_free_irq(int cb_no)

I understand the "static inline" part, but "const u32" is more than
fishy. What's wrong with "static inline int" ?

> +{
> + int i;
> +
> + for (i = 0; i < cb->int_max; i++) {
> + if (cb->irq_map[i] == IRQ_FREE) {
> + cb->irq_map[i] = cb_no;
> + return i;
> + }
> + }
> +
> + return -ENODEV;
> +}

> +static int crossbar_domain_xlate(struct irq_domain *d,
> + struct device_node *controller,
> + const u32 *intspec, unsigned int intsize,
> + unsigned long *out_hwirq,
> + unsigned int *out_type)
> +{
> + unsigned long ret = 0;

Why do you need to initialize ret when you assign a value to it in the
next line?

Thanks,

tglx

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