From: Thierry Reding <treding@xxxxxxxxxx> The current device tree binding for the regulator setup on Tegra PCIe is not accurate. While it does work for current use-cases, that's likely by accident rather than design. This series replaces the existing set of power-supply properties with a new set that accurately describes the inputs of the IP block (depending on SoC generation). As a heads-up, this breaks backwards compatibility with prior versions of the device tree bindings, but I don't see a reason why that should keep us from fixing this properly. Not many people are currently using these bindings and those who are are most likely tracking upstream development closely enough not to be impacted by this. I've aimed to keep the series bisectible, which has the downside of interleaving patches to unrelated trees (ARM and PCI). I'm hoping that perhaps we can find a way to merge this as a whole to keep it possible to bisect across the series. Although again, I guess it wouldn't be all that bad if that wasn't the case, given how little PCIe is actually being used. This second version of the series has Bjorn's Acked-by for patch 3 from the RFC. Stephen, it would be great if you can take this through the Tegra tree so that the bisectability can be preserved. I have a bunch of other smaller changes for the PCIe driver (mostly cleanups). I don't think any of them will conflict, but for extra safety Bjorn may want to pull this as a stable branch into his tree. Thanks, Thierry Thierry Reding (5): PCI: tegra: Overhaul regulator usage ARM: tegra: Add new PCIe regulator properties PCI: tegra: Implement accurate power supply scheme PCI: tegra: Remove deprecated power supply properties ARM: tegra: Remove legacy PCIe power supply properties .../bindings/pci/nvidia,tegra20-pcie.txt | 30 ++++- arch/arm/boot/dts/tegra20-harmony.dts | 8 +- arch/arm/boot/dts/tegra20-tamonten.dtsi | 7 +- arch/arm/boot/dts/tegra20-trimslice.dts | 8 +- arch/arm/boot/dts/tegra30-beaver.dts | 12 +- arch/arm/boot/dts/tegra30-cardhu.dtsi | 11 +- drivers/pci/host/pci-tegra.c | 148 ++++++++++++--------- 7 files changed, 148 insertions(+), 76 deletions(-) -- 1.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
