On Fri, Jan 26, 2018 at 04:35:35PM +0000, Gustavo Pimentel wrote: > Replaces the use of IRQ domain hierarchy by the IRQ chained used by > pcie-designware and each SoC specific driver in order to allow new and > complex features like MSI-X. > > Adds Synopsys Root Complex support for MSI-X feature. Hi Gustavo, please CC me for future patch versions. I have a question for you, the series definitely looks like it is going in the right direction but I do not understand the cover letter. - You are not replacing the IRQ domain hierarchy, you are actually introducing it properly. It may be just nomenclature but I though I would mention that. - I really do not understand why this series is advertised as "implementing MSI-X". I want to understand why MSI-X it is not currently supported and why this series would enable it, I honestly do not understand the reasoning behind this, it looks a bit fuzzy. Please note I am just asking clarifications on the $SUBJECT for my own understanding, the series is definitely the right thing to do and I am happy to target v4.17 for it. Thanks, Lorenzo > Expands the maximum number of IRQs from 32 to 256 distributed by > a maximum of 8 controller registers. > > The patch set was made against the Bjorn's next branch. > > Gustavo Pimentel (9): > PCI: dwc: Add IRQ chained API support > PCI: dwc: exynos: Switch to use the IRQ chained API > PCI: dwc: imx6: Switch to use the IRQ chained API > PCI: dwc: artpec6: Switch to use the IRQ chained API > PCI: dwc: designware: Switch to use the IRQ chained API > PCI: dwc: qcom: Switch to use the IRQ chained API > PCI: dwc: keystone: Switch to use the IRQ chained API > PCI: dwc: Remove IRQ domain hierarchy API support > PCI: dwc: Expand maximum number of IRQs from 32 to 256 > > drivers/pci/dwc/pci-exynos.c | 18 -- > drivers/pci/dwc/pci-imx6.c | 18 -- > drivers/pci/dwc/pci-keystone-dw.c | 91 +------- > drivers/pci/dwc/pci-keystone.c | 1 + > drivers/pci/dwc/pci-keystone.h | 4 +- > drivers/pci/dwc/pci-layerscape.c | 3 +- > drivers/pci/dwc/pcie-artpec6.c | 18 -- > drivers/pci/dwc/pcie-designware-host.c | 402 +++++++++++++++++++-------------- > drivers/pci/dwc/pcie-designware-plat.c | 16 -- > drivers/pci/dwc/pcie-designware.h | 30 ++- > drivers/pci/dwc/pcie-qcom.c | 16 -- > 11 files changed, 260 insertions(+), 357 deletions(-) > > -- > 2.7.4 > >
