Re: [PATCH] watchdog: introduce the ARM64 SBSA watchdog driver

[Guenter Roeck <linux@roeck-us.net>]

On Fri, May 01, 2015 at 12:41:59PM -0500, Timur Tabi wrote:
> On 05/01/2015 12:32 PM, Guenter Roeck wrote:
> >devm_ioremap_resource already prints a message. For this reason, elsewhere in the
> >kernel the check for !res before calling devm_ioremap_resource is being removed,
> >leaving the error handling to devm_ioremap_resource. I would suggest to do the
> >same here.
> 
> I see what you're saying, but I leave the error handling to
> devm_ioremap_resource(), then no one will know whether it's because the
> control address or the refresh address is missing.  The user will just see
> "invalid resource" and won't what resource is actually invalid.
> 

You are saying that pretty much everyone in the kernel is, in your opinion,
doing the Wrong Thing (tm) and you insist in doing it differently.

As maintainer, I have seen lots of patches which remove this very same error
checking as unnecessary. If we accept your code, we can be all but sure to
see such a patch at some point, probably right after your patch was accepted
and shows up in linux-next. So besides arguing about something we should not
have to argue about in the first place, you are trying to create even more
maintainer work going forward.

Is that really neceessary ?

And then people wonder why maintainers sometimes get grumpy :-(.

Guenter