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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id n3sm10565485oia.46.2019.04.26.07.32.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 26 Apr 2019 07:32:48 -0700 (PDT) Date: Fri, 26 Apr 2019 09:32:47 -0500 From: Rob Herring To: Vidya Sagar Subject: Re: [PATCH V5 07/16] dt-bindings: PCI: designware: Add binding for CDM register check Message-ID: <20190426143247.GA25107@bogus> References: <20190424052004.6270-1-vidyas@nvidia.com> <20190424052004.6270-8-vidyas@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190424052004.6270-8-vidyas@nvidia.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190426_073250_506461_CD42524D X-CRM114-Status: GOOD ( 16.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com, mperttunen@nvidia.com, mmaddireddy@nvidia.com, linux-pci@vger.kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, kthota@nvidia.com, kishon@ti.com, linux-tegra@vger.kernel.org, thierry.reding@gmail.com, gustavo.pimentel@synopsys.com, jingoohan1@gmail.com, bhelgaas@google.com, jonathanh@nvidia.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Apr 24, 2019 at 10:49:55AM +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 > --- > Changes since [v4]: > * None > > Changes since [v3]: > * None > > Changes since [v2]: > * Changed flag name from 'cdm-check' to 'enable-cdm-check' > * Added info about Port Logic and DMA registers being part of CDM > > Changes since [v1]: > * This is a new patch in v2 series > > Documentation/devicetree/bindings/pci/designware-pcie.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt > index 5561a1c060d0..85b872c42a9f 100644 > --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt > +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt > @@ -34,6 +34,11 @@ Optional properties: > - clock-names: Must include the following entries: > - "pcie" > - "pcie_bus" > +- enable-cdm-check: This is a boolean property and if present enables This needs a vendor prefix. > + automatic checking of CDM (Configuration Dependent Module) registers > + for data corruption. CDM registers include standard PCIe configuration > + space registers, Port Logic registers, DMA and iATU (internal Address > + Translation Unit) registers. > RC mode: > - num-viewport: number of view ports configured in hardware. If a platform > does not specify it, the driver assumes 2. > -- > 2.17.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel