RE: [PATCH V2 2/7] DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP

2013-10-31 Thread R, Sricharan
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 [t...@linutronix.de]
Sent: Wednesday, October 30, 2013 9:00 PM
To: R, Sricharan
Cc: linux-ker...@vger.kernel.org; devicet...@vger.kernel.org; 
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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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Re: [PATCH V2 2/7] DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP

2013-10-30 Thread Thomas Gleixner
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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