Re: [PATCH] of/platform: Fix no irq domain found errors when populating interrupts

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




* Grant Likely <grant.likely@xxxxxxxxxx> [131124 13:37]:
> 
> I actually like the idea of completely allocating the resource structure
> but leaving some entries empty. However, I agree with rmk that putting
> garbage into a resource structure is a bad idea. What about changing the
> value of flags to 0 or some other value to be obviously an empty
> property and give the follow up parsing some context about which ones it
> needs to attempt to recalculate?

If we want to play it safe, we should probably introduce something like
this to ioport.h:

+#define IORESOURCE_IRQ_DEFERRED	(1<<6)

Then we can populate IRQ resources initially with that. And later on
during the driver probe, we know it's safe to populate the resource
if res->flags & IORESOURCE_IRQ_DEFERRED.

That fixes the $Subject bug, and gets us a little bit further for
making more changes later on.

Regards,

Tony
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux