On Thu, Jun 26, 2014 at 12:40:31PM +0530, Sricharan R wrote: > From: Nishanth Menon <nm@xxxxxx> > > Currently we attempt to map any crossbar value to an IRQ, however, > this is not correct from hardware perspective. There is a max crossbar > event number upto which hardware supports. So describe the same in > device tree using 'ti,max-crossbar-sources' property and use it to > validate requests. > > Signed-off-by: Nishanth Menon <nm@xxxxxx> > Signed-off-by: Sricharan R <r.sricharan@xxxxxx> > Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > --- > .../devicetree/bindings/arm/omap/crossbar.txt | 2 ++ > drivers/irqchip/irq-crossbar.c | 21 ++++++++++++++++++-- > 2 files changed, 21 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/arm/omap/crossbar.txt b/Documentation/devicetree/bindings/arm/omap/crossbar.txt > index 5f45c78..6923531 100644 > --- a/Documentation/devicetree/bindings/arm/omap/crossbar.txt > +++ b/Documentation/devicetree/bindings/arm/omap/crossbar.txt > @@ -10,6 +10,7 @@ Required properties: > - compatible : Should be "ti,irq-crossbar" > - reg: Base address and the size of the crossbar registers. > - ti,max-irqs: Total number of irqs available at the interrupt controller. > +- ti,max-crossbar-sources: Maximum number of crossbar sources that can be routed. > - ti,reg-size: Size of a individual register in bytes. Every individual > register is assumed to be of same size. Valid sizes are 1, 2, 4. > - ti,irqs-reserved: List of the reserved irq lines that are not muxed using > @@ -30,6 +31,7 @@ Examples: > compatible = "ti,irq-crossbar"; > reg = <0x4a002a48 0x130>; > ti,max-irqs = <160>; > + ti,max-crossbar-sources = <MAX_SOURCES>; As mentioned in my reply to #15, I can change this to 400 when I apply it, or you can send a new version of #15 using the macro and explaining it's definition. Thinking about it more, it's probably best just to use numbers in the docs. thx, Jason. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
