On Wed, Jun 21, 2017 at 8:09 PM, Oza Oza <oza.oza@xxxxxxxxxxxx> wrote: > On Wed, Jun 14, 2017 at 7:09 PM, Lorenzo Pieralisi > <lorenzo.pieralisi@xxxxxxx> wrote: >> On Tue, Jun 13, 2017 at 10:18:14AM -0700, Ray Jui wrote: >>> Hi Oza/Lorenzo, >>> >>> On 6/13/17 1:22 AM, Oza Oza wrote: >>> > On Tue, Jun 13, 2017 at 12:22 AM, Ray Jui <ray.jui@xxxxxxxxxxxx> wrote: >>> >> >>> >> >>> >> On 6/12/17 10:40 AM, Oza Oza wrote: >>> >>> On Mon, Jun 12, 2017 at 9:43 PM, Lorenzo Pieralisi >>> >>> <lorenzo.pieralisi@xxxxxxx> wrote: >>> >>>> On Sun, Jun 11, 2017 at 09:42:34AM +0530, Oza Oza wrote: >>> >>>>> On Thu, Jun 8, 2017 at 10:06 PM, Lorenzo Pieralisi >>> >>>>> <lorenzo.pieralisi@xxxxxxx> wrote: >>> >>>>>> [dropped rock-chips maintainers, email bounces] >>> >>>>>> >>> >>>>>> On Thu, Jun 08, 2017 at 08:56:05AM -0700, Ray Jui wrote: >>> >>>>>>> Hi Lorenzo, >>> >>>>>>> >>> >>>>>>> Thanks, I'll try my best to find time to test this along 15/42 and >>> >>>>>>> 33/42 patches. Hopefully I can get to that some time next week. >>> >>>>>>> >>> >>>>>>> I have not yet reviewed these patches in details. Do they have >>> >>>>>>> dependency on other patches to the generic framework code you >>> >>>>>>> changed? >>> >>>>>>> >>> >>>>>>> If so, is there a repo I can pull them? >>> >>>>>> >>> >>>>>> I added it in the cover letter but anyway here it is: >>> >>>>>> >>> >>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux.git pci/pci-fixup-irqs-removal-v2 >>> >>>>> >>> >>>>> Hi Lorenzo, >>> >>>>> >>> >>>>> I picked up your changes, and tested on iproc based SOC, >>> >>>>> and ran basic fio data transfer.. and it looks okay. >>> >>>> >>> >>>> Thank you. If you could also check it is all OK from a legacy >>> >>>> IRQ allocation (ie same as before applying series) I'd be grateful. >>> >>>> >>> >>> >>> >>> I disabled msi and it should default to legacy IRQ, looks like there >>> >>> is a problem, if I missed any change ! >>> >>> >>> >>> before applying series: cat /proc/interrupts >>> >>> 377: 168 0 0 0 0 0 >>> >>> 0 0 dummy 1 Edge nvme0q0, nvme0q1 >>> >>> >>> >>> after applying series: >>> >>> root@bcm958742k:~# dmesg | grep nvme >>> >>> [ 3.855466] nvme 0000:01:00.0: assign irq: got 0 >>> >>> [ 3.855469] nvme 0000:01:00.0: assigning IRQ 00 >>> >>> [ 3.855515] nvme nvme0: pci function 0000:01:00.0 >>> >>> [ 4.270850] nvme 0000:01:00.0: enabling device (0000 -> 0002) >>> >>> [ 4.276787] nvme 0000:01:00.0: enabling bus mastering >>> >>> [ 4.276817] nvme nvme0: Removing after probe failure status: -22 >>> >>> >>> >>> here is my git status of your series, let me know if I am missing any >>> >>> change with respect to legacy IRQ ? >>> >>> >>> >>> modified: arch/arm/include/asm/mach/pci.h >>> >>> modified: arch/arm/kernel/bios32.c >>> >>> modified: arch/arm/mach-dove/pcie.c >>> >>> modified: arch/arm/mach-iop13xx/pci.c >>> >>> modified: arch/arm/mach-iop13xx/pci.h >>> >>> modified: arch/arm/mach-mv78xx0/pcie.c >>> >>> modified: arch/arm/mach-orion5x/common.h >>> >>> modified: arch/arm/mach-orion5x/pci.c >>> >>> modified: arch/arm64/kernel/pci.c >>> >>> modified: drivers/of/of_pci_irq.c >>> >>> modified: drivers/pci/Makefile >>> >>> modified: drivers/pci/host/pci-aardvark.c >>> >>> modified: drivers/pci/host/pci-ftpci100.c >>> >>> modified: drivers/pci/host/pci-host-common.c >>> >>> modified: drivers/pci/host/pci-tegra.c >>> >>> modified: drivers/pci/host/pci-versatile.c >>> >>> modified: drivers/pci/host/pci-xgene.c >>> >>> modified: drivers/pci/host/pcie-altera.c >>> >>> modified: drivers/pci/host/pcie-iproc-bcma.c >>> >>> modified: drivers/pci/host/pcie-iproc-platform.c >>> >>> modified: drivers/pci/host/pcie-iproc.c >>> >>> modified: drivers/pci/host/pcie-iproc.h >>> >>> modified: drivers/pci/host/pcie-rcar.c >>> >>> modified: drivers/pci/host/pcie-rockchip.c >>> >>> modified: drivers/pci/host/pcie-xilinx-nwl.c >>> >>> modified: drivers/pci/host/pcie-xilinx.c >>> >>> modified: drivers/pci/pci-driver.c >>> >>> modified: drivers/pci/probe.c >>> >>> modified: drivers/pci/setup-irq.c >>> >>> modified: include/linux/pci.h >>> >>> >>> >> >>> >> Did you test with or without my change in bcm/master to emulate legacy >>> >> interrupt through dummy IRQ domain? >>> >> >>> >> Thanks, >>> >> >>> >> Ray >>> >> >>> >> >>> > >>> > Hi Ray, >>> > yes irqdomain was missing, and with that legacy IRQ are fine now. >>> > please mainline those changes. >>> > >>> > Hi Lorenzo, >>> > >>> > Legacy IRQ is working fine as well wiht your patches. >>> > >>> > cat /proc/interrupts >>> > 122: 160 0 0 0 0 0 >>> > 0 0 dummy 1 Edge nvme0q0, nvme0q1 >>> > >>> > NVMe data transfer is also fine. >>> > >>> > Regards, >>> > Oza. >>> > >>> >>> Okay, so I take this as Lorenzo's changes on iProc PCIe driver have been >>> sanity tested for link detection and legacy interrupt support. No >>> regression is seen. Thanks, Oza. >> >> Yes, that's how I take it too, I did not understand what was triggering >> the first regression reported - my series should work on top of mainline >> if the current code works and should not depend on any other patch >> being merged - please make sure that's the case to prevent unwanted >> regressions in case other patches do not make it into the mainline. >> >> Thank you very much for your help in testing it. > > > Hi Lorenzo, > > I have ported and tested my inbound memory patches on top of your > patches and that work fine as well. > This is mainly to do with IOVA reservations. > > Regards, > Oza. > >> >> Lorenzo >> >>> >>> I'll send out the INTx irqdomain support patch when I have time. >>> >>> Ray >>> >>> >>> >>> Hi Bjorn, I have made v8 for inbound memory patches as you suggested, on top of Lorenzo's patches. but I can not post them since Lorenzo's patches have not made in. Also gentle reminder to review following series [PATCH v5 1/2] PCI: iproc: Retry request when CRS returned from EP because that also conflict with Lorenzo's changes. Regards, Oza.