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Wed, 2 Mar 2022 17:23:39 +0100 (CET) Message-ID: Date: Wed, 2 Mar 2022 17:23:38 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [Reoprt] Some compile warning on ppc dts Content-Language: fr-FR To: "chenjun (AM)" , "linux-kernel@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , Rob Herring , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , "devicetree@vger.kernel.org" References: From: Christophe Leroy In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Xiangrui \(Euler\)" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 01/03/2021 à 03:16, chenjun (AM) a écrit : > Hi > > After run the following commands > make distclean > make allmodconfig ARCH=powerpc CROSS_COMPILE=powerpc64-linux-gnu- > make oldconfig ARCH=powerpc CROSS_COMPILE=powerpc64-linux-gnu- > make -j64 ARCH=powerpc CROSS_COMPILE=powerpc64-linux-gnu- > > I get some warning: > arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: Warning (pci_bridge): > /pci@f0000d00: missing ranges for PCI bridg > e (or not a bridge) > arch/powerpc/boot/dts/o2dnt2.dtb: Warning (pci_device_bus_num): Failed > prerequisite 'pci_bridge' > arch/powerpc/boot/dts/mpc5200b.dtsi:182.18-186.5: Warning > (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name f > or SPI buses should be 'spi' > also defined at arch/powerpc/boot/dts/o2d.dtsi:32.12-43.5 > arch/powerpc/boot/dts/o2dnt2.dtb: Warning (spi_bus_reg): Failed > prerequisite 'spi_bus_bridge' > ... > > For the problem about "node name for SPI buses should be 'spi'": > Rename the psc@2000 to spi@2000 in arch/powerpc/boot/dts/o2d.dtsi can > fix it. > diff --git a/arch/powerpc/boot/dts/o2d.dtsi b/arch/powerpc/boot/dts/o2d.dtsi > index 6661955a2be4..cd3dc70cd72e 100644 > --- a/arch/powerpc/boot/dts/o2d.dtsi > +++ b/arch/powerpc/boot/dts/o2d.dtsi > @@ -29,7 +29,7 @@ rtc@800 { > >------>------->-------status = "disabled"; > >------>-------}; > - > ->------>-------psc@2000 {>----->-------// PSC1 > +>------>-------spi@2000 {>----->-------// PSC1 > >------>------->-------compatible = > "fsl,mpc5200b-psc-spi","fsl,mpc5200-psc-spi"; > >------>------->-------#address-cells = <1>; > >------>------->-------#size-cells = <0>; > --- > > For the problem about "missing ranges for PCI bridge (or not a bridge)": > Ranges should be add in arch/powerpc/boot/dts/mpc5200b.dtsi. > >-------pci: pci@f0000d00 { > >------->-------#interrupt-cells = <1>; > >------->-------#size-cells = <2>; > >------->-------#address-cells = <3>; > >------->-------device_type = "pci"; > >------->-------compatible = "fsl,mpc5200b-pci","fsl,mpc5200-pci"; > >------->-------reg = <0xf0000d00 0x100>; > >------->-------// interrupt-map-mask = need to add > >------->-------// interrupt-map = need to add > >------->-------clock-frequency = <0>; // From boot loader > >------->-------interrupts = <2 8 0 2 9 0 2 10 0>; > >------->-------bus-range = <0 0>; > >------->-------// ranges = need to add > >-------}; > I think the ranges should be add by someone who knows the mpc5200 better. > This patch has garbage instead of tabs, it doesn't apply