From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
"Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Russell King" <rmk+kernel@armlinux.org.uk>,
"Marek Behún" <kabel@kernel.org>,
"Remi Pommarel" <repk@triplefau.lt>, Xogium <contact@xogium.me>,
"Tomasz Maciej Nowak" <tmn505@gmail.com>,
"Marc Zyngier" <maz@kernel.org>,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/42] PCI: aardvark: Various driver fixes
Date: Thu, 3 Jun 2021 16:16:05 +0100 [thread overview]
Message-ID: <20210603151605.GA18917@lpieralisi> (raw)
In-Reply-To: <20210506153153.30454-1-pali@kernel.org>
On Thu, May 06, 2021 at 05:31:11PM +0200, Pali Rohár wrote:
> This patch series fixes various issues in pci-aardvark.c driver
> (PCIe controller on Marvell Armada 3700 SoC) used on Espressobin
> and Turris Mox.
>
> First patch fixes kernel panic (or TF-A panic depending on used
> firmware) during execution of PIO transfer and I would suggest to
> include this fix into v5.13 release to prevent future kernel panics.
>
> Other patches then fixes PIO issues, PCIe link training, initialization
> of PCIe controller, accessing PCIe Root Bridge/Port registers, handling
> of interrupts (including ERR and PME), setup of Multi-MSI interrupts,
> adding support for masking MSI interrupts, adding support for more than
> 32 MSI interrupts with MSI-X support, and adding support for AER.
>
> Note that there are still some unresolved issues with PCIe on A3720.
> I asked Marvell for PCIe documentation or explanations but I have not
> received anything (yet).
>
> Patch "Fix checking for PIO status" is taken from the Marvell github fork
> and adapted for inclusion into mainline kernel:
> https://github.com/MarvellEmbeddedProcessors/linux-marvell/commit/84444d22023c
>
> Whole patch series is available also in my git branch pci-aardvark:
> https://git.kernel.org/pub/scm/linux/kernel/git/pali/linux.git/log/?h=pci-aardvark
>
> If you have Espressobin, Turris Mox or other A3720 board with PCIe
> please test this patch series with your favourite PCIe card if
> everything is working fine.
>
> Evan Wang (1):
> PCI: aardvark: Fix checking for PIO status
>
> Pali Rohár (39):
> PCI: aardvark: Fix kernel panic during PIO transfer
> PCI: aardvark: Fix checking for PIO Non-posted Request
> PCI: aardvark: Increase polling delay to 1.5s while waiting for PIO
> response
> PCI: pci-bridge-emul: Add PCIe Root Capabilities Register
> PCI: aardvark: Fix reporting CRS Software Visibility on emulated
> bridge
> PCI: aardvark: Fix link training
> PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros
> PCI: aardvark: Fix PCIe Max Payload Size setting
> PCI: aardvark: Implement workaround for the readback value of VEND_ID
> PCI: aardvark: Do not touch status bits of masked interrupts in
> interrupt handler
> PCI: aardvark: Check for virq mapping when processing INTx IRQ
> PCI: aardvark: Remove irq_mask_ack callback for INTx interrupts
> PCI: aardvark: Don't mask irq when mapping
> PCI: aardvark: Change name of INTx irq_chip to advk-INT
> PCI: aardvark: Remove unneeded goto
> PCI: aardvark: Fix support for MSI interrupts
> PCI: aardvark: Correctly clear and unmask all MSI interrupts
> PCI: aardvark: Fix setting MSI address
> PCI: aardvark: Add support for more than 32 MSI interrupts
> PCI: aardvark: Add support for masking MSI interrupts
> PCI: aardvark: Enable MSI-X support
> PCI: aardvark: Fix support for ERR interrupt on emulated bridge
> PCI: aardvark: Fix support for PME on emulated bridge
> PCI: aardvark: Fix support for PME requester on emulated bridge
> PCI: aardvark: Fix support for bus mastering and PCI_COMMAND on
> emulated bridge
> PCI: aardvark: Disable bus mastering and mask all interrupts when
> unbinding driver
> PCI: aardvark: Free config space for emulated root bridge when
> unbinding driver to fix memory leak
> PCI: aardvark: Reset PCIe card and disable PHY when unbinding driver
> PCI: aardvark: Rewrite irq code to chained irq handler
> PCI: aardvark: Use separate INTA interrupt for emulated root bridge
> PCI: pci-bridge-emul: Add description for class_revision field
> PCI: pci-bridge-emul: Add definitions for missing capabilities
> registers
> PCI: aardvark: Add support for DEVCAP2, DEVCTL2, LNKCAP2 and LNKCTL2
> registers on emulated bridge
> PCI: aardvark: Add support for PCI_BRIDGE_CTL_BUS_RESET on emulated
> bridge
> PCI: aardvark: Replace custom PCIE_CORE_ERR_CAPCTL_* macros by
> linux/pci_regs.h macros
> PCI: aardvark: Replace custom PCIE_CORE_INT_* macros by linux
> PCI_INTERRUPT_* values
> PCI: aardvark: Cleanup some register macros
> PCI: aardvark: Add comments for OB_WIN_ENABLE and ADDR_WIN_DISABLE
> PCI: aardvark: Add support for Advanced Error Reporting registers on
> emulated bridge
>
> Russell King (2):
> PCI: pci-bridge-emul: re-arrange register tests
> PCI: pci-bridge-emul: add support for PCIe extended capabilities
>
> drivers/pci/controller/pci-aardvark.c | 980 +++++++++++++++++++-------
> drivers/pci/pci-bridge-emul.c | 149 ++--
> drivers/pci/pci-bridge-emul.h | 17 +-
> include/uapi/linux/pci_regs.h | 6 +
> 4 files changed, 850 insertions(+), 302 deletions(-)
May I ask you please to split this series in smaller sets so that
it is easier to merge ?
Let's start with the more urgent fixes that don't involve rework (or
you have not received change requests for since they are simple).
Thanks,
Lorenzo
next prev parent reply other threads:[~2021-06-03 15:16 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 15:31 [PATCH 00/42] PCI: aardvark: Various driver fixes Pali Rohár
2021-05-06 15:31 ` [PATCH 01/42] PCI: aardvark: Fix kernel panic during PIO transfer Pali Rohár
2021-05-19 8:06 ` Pali Rohár
2021-05-06 15:31 ` [PATCH 02/42] PCI: aardvark: Fix checking for PIO Non-posted Request Pali Rohár
2021-05-06 15:31 ` [PATCH 03/42] PCI: aardvark: Fix checking for PIO status Pali Rohár
2021-05-06 15:31 ` [PATCH 04/42] PCI: aardvark: Increase polling delay to 1.5s while waiting for PIO response Pali Rohár
2021-05-06 15:31 ` [PATCH 05/42] PCI: pci-bridge-emul: Add PCIe Root Capabilities Register Pali Rohár
2021-05-06 23:10 ` Bjorn Helgaas
2021-05-07 14:40 ` Pali Rohár
2021-05-07 16:41 ` Bjorn Helgaas
2021-05-06 15:31 ` [PATCH 06/42] PCI: aardvark: Fix reporting CRS Software Visibility on emulated bridge Pali Rohár
2021-05-07 13:03 ` Bjorn Helgaas
2021-05-07 15:25 ` Pali Rohár
2021-05-07 15:33 ` Pali Rohár
2021-05-06 15:31 ` [PATCH 07/42] PCI: aardvark: Fix link training Pali Rohár
2021-05-06 15:31 ` [PATCH 08/42] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros Pali Rohár
2021-05-06 15:31 ` [PATCH 09/42] PCI: aardvark: Fix PCIe Max Payload Size setting Pali Rohár
2021-05-06 15:31 ` [PATCH 10/42] PCI: aardvark: Implement workaround for the readback value of VEND_ID Pali Rohár
2021-05-06 15:31 ` [PATCH 11/42] PCI: aardvark: Do not touch status bits of masked interrupts in interrupt handler Pali Rohár
2021-05-06 15:31 ` [PATCH 12/42] PCI: aardvark: Check for virq mapping when processing INTx IRQ Pali Rohár
2021-05-07 9:15 ` Marc Zyngier
2021-06-04 16:24 ` Pali Rohár
2021-06-04 16:29 ` Marc Zyngier
2021-05-06 15:31 ` [PATCH 13/42] PCI: aardvark: Remove irq_mask_ack callback for INTx interrupts Pali Rohár
2021-05-07 9:16 ` Marc Zyngier
2021-05-06 15:31 ` [PATCH 14/42] PCI: aardvark: Don't mask irq when mapping Pali Rohár
2021-05-07 9:20 ` Marc Zyngier
2021-05-07 9:27 ` Pali Rohár
2021-05-06 15:31 ` [PATCH 15/42] PCI: aardvark: Change name of INTx irq_chip to advk-INT Pali Rohár
2021-05-07 9:08 ` Marc Zyngier
2021-05-24 14:36 ` Marek Behún
2021-05-24 15:14 ` Marc Zyngier
2021-05-06 15:31 ` [PATCH 16/42] PCI: aardvark: Remove unneeded goto Pali Rohár
2021-05-06 15:31 ` [PATCH 17/42] PCI: aardvark: Fix support for MSI interrupts Pali Rohár
2021-05-07 10:16 ` Marc Zyngier
2021-05-07 14:44 ` Pali Rohár
2021-05-07 16:24 ` Marc Zyngier
2021-06-04 16:02 ` Pali Rohár
2021-06-04 16:22 ` Marc Zyngier
2021-05-06 15:31 ` [PATCH 18/42] PCI: aardvark: Correctly clear and unmask all " Pali Rohár
2021-05-07 10:19 ` Marc Zyngier
2021-05-07 10:21 ` Pali Rohár
2021-05-06 15:31 ` [PATCH 19/42] PCI: aardvark: Fix setting MSI address Pali Rohár
2021-05-07 10:25 ` Marc Zyngier
2021-05-06 15:31 ` [PATCH 20/42] PCI: aardvark: Add support for more than 32 MSI interrupts Pali Rohár
2021-07-02 21:35 ` Pali Rohár
2021-05-06 15:31 ` [PATCH 21/42] PCI: aardvark: Add support for masking " Pali Rohár
2021-05-06 15:31 ` [PATCH 22/42] PCI: aardvark: Enable MSI-X support Pali Rohár
2021-05-06 15:31 ` [PATCH 23/42] PCI: aardvark: Fix support for ERR interrupt on emulated bridge Pali Rohár
2021-05-06 15:31 ` [PATCH 24/42] PCI: aardvark: Fix support for PME " Pali Rohár
2021-05-06 15:31 ` [PATCH 25/42] PCI: aardvark: Fix support for PME requester " Pali Rohár
2021-05-06 15:31 ` [PATCH 26/42] PCI: aardvark: Fix support for bus mastering and PCI_COMMAND " Pali Rohár
2021-05-06 15:31 ` [PATCH 27/42] PCI: aardvark: Disable bus mastering and mask all interrupts when unbinding driver Pali Rohár
2021-05-06 15:31 ` [PATCH 28/42] PCI: aardvark: Free config space for emulated root bridge when unbinding driver to fix memory leak Pali Rohár
2021-05-06 15:31 ` [PATCH 29/42] PCI: aardvark: Reset PCIe card and disable PHY when unbinding driver Pali Rohár
2021-05-06 15:31 ` [PATCH 30/42] PCI: aardvark: Rewrite irq code to chained irq handler Pali Rohár
2021-05-06 15:31 ` [PATCH 31/42] PCI: aardvark: Use separate INTA interrupt for emulated root bridge Pali Rohár
2021-05-06 15:31 ` [PATCH 32/42] PCI: pci-bridge-emul: Add description for class_revision field Pali Rohár
2021-05-06 15:31 ` [PATCH 33/42] PCI: pci-bridge-emul: Add definitions for missing capabilities registers Pali Rohár
2021-05-06 15:31 ` [PATCH 34/42] PCI: aardvark: Add support for DEVCAP2, DEVCTL2, LNKCAP2 and LNKCTL2 registers on emulated bridge Pali Rohár
2021-05-06 15:31 ` [PATCH 35/42] PCI: aardvark: Add support for PCI_BRIDGE_CTL_BUS_RESET " Pali Rohár
2021-05-06 15:31 ` [PATCH 36/42] PCI: aardvark: Replace custom PCIE_CORE_ERR_CAPCTL_* macros by linux/pci_regs.h macros Pali Rohár
2021-05-06 15:31 ` [PATCH 37/42] PCI: aardvark: Replace custom PCIE_CORE_INT_* macros by linux PCI_INTERRUPT_* values Pali Rohár
2021-05-06 15:31 ` [PATCH 38/42] PCI: aardvark: Cleanup some register macros Pali Rohár
2021-05-06 15:31 ` [PATCH 39/42] PCI: aardvark: Add comments for OB_WIN_ENABLE and ADDR_WIN_DISABLE Pali Rohár
2021-05-06 15:31 ` [PATCH 40/42] PCI: pci-bridge-emul: re-arrange register tests Pali Rohár
2021-05-06 15:31 ` [PATCH 41/42] PCI: pci-bridge-emul: add support for PCIe extended capabilities Pali Rohár
2021-05-06 15:31 ` [PATCH 42/42] PCI: aardvark: Add support for Advanced Error Reporting registers on emulated bridge Pali Rohár
2021-06-03 15:16 ` Lorenzo Pieralisi [this message]
2021-06-03 17:02 ` [PATCH 00/42] PCI: aardvark: Various driver fixes Pali Rohár
2021-06-03 18:02 ` Simon Glass
2021-06-03 18:18 ` Pali Rohár
2021-06-04 14:05 ` Lorenzo Pieralisi
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