[PATCH/RFC 0/2] ARM: shmobile: DT irqpin for r8a7779 and marzen-reference

Simon Horman horms at verge.net.au
Fri Apr 5 13:13:39 EST 2013


On Fri, Apr 05, 2013 at 10:44:29AM +0900, Simon Horman wrote:
> On Thu, Apr 04, 2013 at 11:47:05PM +0200, Guennadi Liakhovetski wrote:
> > Hi Simon
> > 
> > On Thu, 4 Apr 2013, Simon Horman wrote:
> > 
> > > On Wed, Apr 03, 2013 at 11:18:57AM +0200, Guennadi Liakhovetski wrote:
> > > > Hi
> > > > 
> > > > This 2 patches add DT irqpin support on marzen-reference. Only 
> > > > compile-tested due to the lack of hardware. The patches can go 
> > > > independently via their respective trees. irqpin on marzen will not work 
> > > > if patch 2 is applied before patch 1, but as long as there are no devices, 
> > > > using irqpin interrupts, no breakage will be caused.
> > > 
> > > I have applied both patches and the dependency I mention below.
> > > I have also applied the small patch, inlined below, to hook-up
> > > the LAN controller. Unfortunately it doesn't seem to be receiving
> > > any interrupts. Perhaps I am missing something?
> > 
> > Are you sure 28 is the correct number in the irqpin IRQ space? Seems 
> > strange to me. Should be 1 perhaps (counting from 0), or 2 - not sure how 
> > that mapping would look like.
> 
> Thanks!
> 
> 0 seems to be the lucky number, I have SMSC (and NFS root) working
> on marzen-reference.

s/0/1/

> I have posted "ARM: shmobile: marzen-reference: use irqpin for lan"
> 
> > > > Guennadi Liakhovetski (2):
> > > >       irqchip: renesas-intc-irqpin: DT binding for sense bitfield width
> > > 
> > > The above patch depends on "[1/3] ARM: shmobile: irqpin: fix handling of
> > > spurious interrupts in DT case", right?
> > 
> > Not functionally. Spurious interrupts occur on sh73a0, the sense bitfield 
> > is needed for r8a7779. But the latter won't apply without the former, 
> > that's right.
> 
> Thanks, could you reposts this series rebase so that it doesn't require
> ""[1/3] ARM: shmobile: irqpin: fix handling of spurious interrupts in DT case"
> to apply cleanly.
> 
> Feel free to break the creation of
> Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt
> into a separate patch.
> 
> Please add "ARM: shmobile: marzen-reference: use irqpin for lan" to
> the end of the series with an Ack if you have no objections to it.
> 
> > > Has there been any progress in your
> > > discussions with Magnus about what to do about that patch?
> > 
> > No, not yet.
> 
> Thanks, understood.
> 
> And thanks doubly for this series.
> It is very nice to have bouth irqpin and ethernet working on
> marzen-reference.
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