Functional testing of mainline vchiq driver

[Michael Zoran]

On Tue, 2016-10-25 at 14:45 -0700, Michael Zoran wrote:
> On Tue, 2016-10-25 at 23:20 +0200, Stefan Wahren wrote:
> > 
> > thanks, here are my steps to get the driver working:
> > 
> > * checkout Greg's staging-testing tree
> > * applied "staging: vc04_services: Remove dmac_map_area"
> > * remove BROKEN in drivers/staging/vc04_services/Kconfig
> > * add the following node to arch/arm/boot/dts/bcm283x.dtsi
> > 
> >                vchiq: vchiq at 7e00b840 {
> >                        compatible = "brcm,bcm2835-vchiq";
> >                        reg = <0x7e00b840 0xf>;
> >                        interrupts = <0 2>;
> >                        cache-line-size = <32>;
> >                        firmware = <&firmware>;
> >                };
> > 
> > * build kernel and dtb for Raspberry Pi B
> > 
> > 

BTW, the downstream tree has an override for the cache-line-size.  Did
you perhaps try and add it to the device tree as well?

bcm2708_common.dtsi:

	__overrides__ {
		cache_line_size = <&vchiq>, "cache-line-size:0";
	};