Thread (13 messages) 13 messages, 3 authors, 2013-10-31

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

From: R, Sricharan <hidden>
Date: 2013-10-31 10:58:55
Also in: linux-arm-kernel, linux-omap, lkml

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" ?
quoted hunk ↗ jump to hunk
+{
+     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;
+}
quoted hunk ↗ jump to hunk
+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
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help