From: Thierry Reding <thierry.reding@gmail.com>
To: Vidya Sagar <vidyas@nvidia.com>
Cc: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com,
jonathanh@nvidia.com, kishon@ti.com, catalin.marinas@arm.com,
will.deacon@arm.com, lorenzo.pieralisi@arm.com,
jingoohan1@gmail.com, gustavo.pimentel@synopsys.com,
mperttunen@nvidia.com, linux-pci@vger.kernel.org,
devicetree@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kthota@nvidia.com,
mmaddireddy@nvidia.com, sagar.tv@gmail.com
Subject: Re: [PATCH V2 07/16] dt-bindings: PCI: designware: Add binding for CDM register check
Date: Mon, 15 Apr 2019 16:54:02 +0200 [thread overview]
Message-ID: <20190415145402.GF29254@ulmo> (raw)
In-Reply-To: <1554407683-31580-8-git-send-email-vidyas@nvidia.com>
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On Fri, Apr 05, 2019 at 01:24:34AM +0530, Vidya Sagar wrote:
> Add support to enable CDM (Configuration Dependent Module) registers check
> for any data corruption. CDM registers include standard PCIe configuration
> space registers, Port Logic registers and iATU and DMA registers.
> Refer Section S.4 of Synopsys DesignWare Cores PCI Express Controller Databook
> Version 4.90a
>
> Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
> ---
> Changes since [v1]:
> * This is a new patch in v2 series
>
> Documentation/devicetree/bindings/pci/designware-pcie.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> index c124f9bc11f3..728281b5bcd5 100644
> --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> @@ -31,6 +31,10 @@ Optional properties:
> - clock-names: Must include the following entries:
> - "pcie"
> - "pcie_bus"
> +- cdm-check: This is a boolean property and if present enables automatic
> + checking of CDM (Configuration Dependent Module) registers for data
> + corruption. CDM registers include configuration space registers and iATU
> + (internal Address Translation Unit) registers.
By comparison the commit message also lists "Port Logic" and "DMA"
registers as being part of the CDM registers. Shouldn't they be part of
the bindings document as well?
Perhaps it'd also be a good idea to rename this property to something
more imperative, like "enable-cdm" or similar.
Thierry
> RC mode:
> - num-viewport: number of view ports configured in hardware. If a platform
> does not specify it, the driver assumes 2.
> --
> 2.7.4
>
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next prev parent reply other threads:[~2019-04-15 14:54 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-04 19:54 [PATCH V2 00/16] Add Tegra194 PCIe support Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 01/16] PCI: Add #defines for PCIe spec r4.0 features Vidya Sagar
2019-04-11 10:13 ` Thierry Reding
2019-04-16 13:15 ` Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 02/16] PCI/PME: Export pcie_pme_disable_msi() API Vidya Sagar
2019-04-11 10:16 ` Thierry Reding
2019-04-16 13:30 ` Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 03/16] PCI: Export pcie_bus_config symbol Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 04/16] PCI: dwc: Perform dbi regs write lock towards the end Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 05/16] PCI: dwc: Move config space capability search API Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 06/16] PCI: dwc: Add ext " Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 07/16] dt-bindings: PCI: designware: Add binding for CDM register check Vidya Sagar
2019-04-15 14:54 ` Thierry Reding [this message]
2019-04-16 14:29 ` Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 08/16] PCI: dwc: Add support to enable " Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 09/16] Documentation/devicetree: Add PCIe supports-clkreq property Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 10/16] dt-bindings: PCI: tegra: Add device tree support for T194 Vidya Sagar
2019-04-15 15:08 ` Thierry Reding
2019-04-16 15:33 ` Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 11/16] dt-bindings: PHY: P2U: Add Tegra 194 P2U block Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 12/16] arm64: tegra: Add P2U and PCIe controller nodes to Tegra194 DT Vidya Sagar
2019-04-15 15:15 ` Thierry Reding
2019-04-16 17:48 ` Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 13/16] arm64: tegra: Enable PCIe slots in P2972-0000 board Vidya Sagar
2019-04-15 15:12 ` Thierry Reding
2019-04-16 17:55 ` Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 14/16] phy: tegra: Add PCIe PIPE2UPHY support Vidya Sagar
2019-04-15 15:31 ` Thierry Reding
2019-04-15 15:33 ` Thierry Reding
2019-04-16 18:14 ` Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 15/16] PCI: tegra: Add Tegra194 PCIe support Vidya Sagar
2019-04-04 19:54 ` [PATCH V2 16/16] arm64: Add Tegra194 PCIe driver to defconfig Vidya Sagar
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