On 01/15/2013 01:17 AM, Hiroshi Doyu wrote:
> Add SMMU entry.
> diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
> + smmu {
> + compatible = "nvidia,tegra114-smmu", "nvidia,tegra30-smmu";
> + reg = <0x7000f010 0x02c
> + 0x7000f1f0 0x010
> + 0x7000f228 0x074>;
Oh, so the only change here relative to Tegra30 is that the final memory
range is larger; the others don't move around at all. Is that all that
patch 4/6 is trying to cope with? If so, I'd suggest simplifying that
patch a bunch; perhaps just remove the final if() check in each function
and make all accesses with (offs > 0x200) go to smmu->regs[2]?
You can always add checks to probe() that memory range 0 and 1 have the
expected size such that the code in smmu_{read,write} will work as expected.
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