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Mon, 24 Aug 2020 02:11:06 -0700 (PDT) Received: from kozik-lap ([194.230.155.216]) by smtp.googlemail.com with ESMTPSA id y24sm21368601wmi.17.2020.08.24.02.11.04 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 24 Aug 2020 02:11:05 -0700 (PDT) Date: Mon, 24 Aug 2020 11:11:02 +0200 From: Krzysztof Kozlowski To: Aisheng Dong Subject: Re: [PATCH 21/22] arm64: dts: imx8qxp: Remove i.MX7 compatible from USDHC Message-ID: <20200824091102.GA20819@kozik-lap> References: <20200823161550.3981-1-krzk@kernel.org> <20200823161550.3981-21-krzk@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200824_051107_747434_55DF9E4D X-CRM114-Status: GOOD ( 22.48 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "devicetree@vger.kernel.org" , "linux-serial@vger.kernel.org" , Anson Huang , "linux-gpio@vger.kernel.org" , Fabio Estevam , Linus Walleij , "linux-pm@vger.kernel.org" , "linux-mmc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-pwm@vger.kernel.org" , Bartosz Golaszewski , Rob Herring , "linux-mtd@lists.infradead.org" , dl-linux-imx , Pengutronix Kernel Team , Thierry Reding , Shawn Guo , Sascha Hauer , "linux-arm-kernel@lists.infradead.org" , "linux-watchdog@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Mon, Aug 24, 2020 at 09:00:19AM +0000, Aisheng Dong wrote: > > From: Krzysztof Kozlowski > > Sent: Monday, August 24, 2020 12:16 AM > > > > The USDHC on i.MX 8QXP has its own compatible described in bindings and > > used in the driver (with its own quirks). Remove additional fsl,imx7d-usdhc > > compatible to fix dtbs_check warnings like: > > > > arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dt.yaml: mmc@5b010000: > > compatible: ['fsl,imx8qxp-usdhc', 'fsl,imx7d-usdhc'] is too long > > From schema: > > /ocumentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml > > > > arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dt.yaml: mmc@5b010000: > > compatible: Additional items are not allowed ('fsl,imx7d-usdhc' was > > unexpected) > > > > Signed-off-by: Krzysztof Kozlowski > > For Patch 19-22, I think we should fix dt binding doc. Are you sure that these USDHC controllers are compatible with i.MX 7D? Could they really run with fsl,imx7d-usdhc compatible? The implementation (Linux kernel driver) is different, I guess on purpose... Best regards, Krzysztof > > Regards > Aisheng > > > --- > > arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 6 +++--- > > 1 file changed, 3 insertions(+), 3 deletions(-) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > > b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > > index 61bccb69f09e..26c4fcdfe290 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > > @@ -362,7 +362,7 @@ > > }; > > > > usdhc1: mmc@5b010000 { > > - compatible = "fsl,imx8qxp-usdhc", "fsl,imx7d-usdhc"; > > + compatible = "fsl,imx8qxp-usdhc"; > > interrupts = ; > > reg = <0x5b010000 0x10000>; > > clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC0_IPG_CLK>, @@ > > -374,7 +374,7 @@ > > }; > > > > usdhc2: mmc@5b020000 { > > - compatible = "fsl,imx8qxp-usdhc", "fsl,imx7d-usdhc"; > > + compatible = "fsl,imx8qxp-usdhc"; > > interrupts = ; > > reg = <0x5b020000 0x10000>; > > clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC1_IPG_CLK>, @@ > > -388,7 +388,7 @@ > > }; > > > > usdhc3: mmc@5b030000 { > > - compatible = "fsl,imx8qxp-usdhc", "fsl,imx7d-usdhc"; > > + compatible = "fsl,imx8qxp-usdhc"; > > interrupts = ; > > reg = <0x5b030000 0x10000>; > > clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC2_IPG_CLK>, > > -- > > 2.17.1 > ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/