Hi, On Monday 18 December 2017 09:31 PM, Gustavo Pimentel wrote: > Hi Kishon, > > I would like to collaborate with you on this subject, I have on my side João's > patches updated to the Bjorn's latest kernel version. cool, do you have a branch so that I can check what breaks in keystone and debug? Thanks Kishon > > Regards, > > Gustavo > > > On 11/12/2017 13:23, Kishon Vijay Abraham I wrote: >> Hi, >> >> On Friday 08 December 2017 04:32 PM, Lorenzo Pieralisi wrote: >>> On Thu, Dec 07, 2017 at 03:14:22PM +0000, Joao Pinto wrote: >>>> Hello to all, >>>> >>>> I am sending this e-mail to request your opinion about the tasks needed to add >>>> support for MSI-X for pcie-designware based solutions. >>>> >>>> A few months ago I submited a patch-set that added support for MSI-X: >>>> >>>> [v2,9/9] pci: remove limitation of the number of the available IRQs >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771320_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=p3N21H26OSEMkCxG6P0d-nO2j8dsNTPY3vyU1QDWjT0&e= >>>> [v2,8/9] pci: removing old irq api from pcie-designware >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771360_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=qQWZngqGOJ1ILhY65f3YL6xrgp_5UXRR0NrDlSaHSTQ&e= >>>> [v2,7/9] pci: keystone SoC driver adapted to new irq API >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771361_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=4J5yDyNZ0Hp9AD75kGoIjfyT-dr7gWoj5B3XO4cx7Q0&e= >>>> [v2,6/9] pci: qcom SoC driver adapted to new irq API >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771362_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=KpC3k1Y_c4guyLRzb-w5H_Kglt6KWYb8Xk7iWsZqkzY&e= >>>> [v2,5/9] pci: generic PCIe DW driver adapted to new irq API >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771365_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=TNoIYF7RaBl7jXnmFrFSIJD1a_vNJL2IKTYPbaJEpww&e= >>>> [v2,4/9] pci: artpec6 SoC driver adapted to new irq API >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771364_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=p9aOuvgKv8e74QNe5XxXiI7gfvkPeCeanhs6i3FBwnc&e= >>>> [v2,3/9] pci: imx6 SoC driver adapted to new irq API >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771363_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=ibzCdKoVbLHn-0vo9tzAlnirwgZZsDpILRkTEowHwWs&e= >>>> [v2,2/9] pci: exynos SoC driver adapted to new irq API >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771359_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=D0dvpjeXB-BTo69WreBpia6vlml1pBysJU6ta-9cLOM&e= >>>> [v2,1/9] pci: adding new irq api to pci-designware >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.ozlabs.org_patch_771366_&d=DwIC-g&c=DPL6_X_6JkXFx7AXWqB0tg&r=bkWxpLoW-f-E3EdiDCCa0_h0PicsViasSlvIpzZvPxs&m=fBQ8uqCEYYa2ogSRPy8cR1jhWPLboPICkxUdpcYB6Yw&s=Wu_iKSHepvoDa3X5gU02AMMa9yzAgrT2jIfiu6jHgPs&e= >>>> >>>> The patch-set was globally accepted, but it broke the MSI mechanism for >>>> Keystone, due to its specificity. >>> Hi Joao, >>> >>> would you mind pointing me at the discussion where the breakage was >>> explained please ? It is to understand what are the TI specific bits >>> we are talking about here. >>> >>>> We are now going to resume this task and we would like to have your feedback >>>> about our plan: >>>> >>>> Task 1: Help TI to create a keystone_msi driver to isolate its custom msi mechanism >>>> Task 2: Port the existing patches to the new kernel version (except the keystone >>>> one) >>>> >>>> If TI can do the keystone_msi implementation it would be easier. If it's not >>>> possible, we volunteer to do it, but we will need testing & debug assistance. >> sure, I should be able to help with at-least testing if not implementing. >> >> Thanks >> Kishon > >
