Re: [PATCH] driver core: platform: Add an error message to platform_get_irq*()

[Stephen Boyd]

Quoting Russell King - ARM Linux (2018-12-22 02:33:20)
> On Fri, Dec 21, 2018 at 11:24:52PM -0800, Stephen Boyd wrote:
> > A grep of the kernel shows that many drivers print an error message if
> > they fail to get the irq they're looking for. Furthermore, those drivers
> > all decide to print the device name, or not, and the irq they were
> > requesting, or not, etc. Let's consolidate all these error messages into
> > the API itself, allowing us to get rid of the error messages in each
> > driver.
> ...
> > +error:
> > +     if (warn)
> > +             dev_err(&dev->dev, "IRQ%d not found\n", num);
> 
> Please don't use the notation IRQn - this is normally used when
> referring to interrupt numbers (such as those seen in
> /proc/interrupts) rather than a per-device interrupt index.
> Grep for IRQ% in drivers/ for many examples.
> 
> dev_err(&dev->dev, "IRQ index %u not found: %d\n", num, ret);

Sure! I'll use that one.

> 
> would be better - note also the use of %u for unsigned integers.
> Using %d for them is IMHO sloppy coding.
> 

Ok.