From: Peng Fan <peng.fan@nxp.com> To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, "Peng Fan (OSS)" <peng.fan@oss.nxp.com>, Aisheng Dong <aisheng.dong@nxp.com>, "robh+dt@kernel.org" <robh+dt@kernel.org>, "krzysztof.kozlowski+dt@linaro.org" <krzysztof.kozlowski+dt@linaro.org>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de> Cc: "kernel@pengutronix.de" <kernel@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, dl-linux-imx <linux-imx@nxp.com>, "linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Clark Wang <xiaoning.wang@nxp.com> Subject: RE: [PATCH 0/6] i2c-imx-lpi2c: add IPG clock Date: Tue, 16 Aug 2022 09:47:01 +0000 [thread overview] Message-ID: <DU0PR04MB9417187B9A8A52F4120E3488886B9@DU0PR04MB9417.eurprd04.prod.outlook.com> (raw) In-Reply-To: <b630a007-2548-2196-a963-786c6a98b748@linaro.org> > Subject: Re: [PATCH 0/6] i2c-imx-lpi2c: add IPG clock > > On 16/08/2022 11:43, Peng Fan wrote: > >> No. For such patch ABI break is also not allowed in that case. Just > >> make the driver backwards compatible and both problems - non > >> bisectability and ABI break - go away. > > > > One more point that I am not very clear about "non bisectability and > > ABI break " > > > > ABI, I suppose you mean dt-binding, right? > > The I2C bindings and dts update will go through different tree, I > > think. So dtbs_check may fail considering the PR merge order. > > ABI break means breaking Application Binary Interface, so out of tree DTS > conforming to old bindings stop working with new kernel. > > ABI is described by bindings and implemented by driver. You broke it in the > driver. Thanks for your explanation. V2 will take care of this. Thanks, Peng. > > Best regards, > Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Peng Fan <peng.fan@nxp.com> To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, "Peng Fan (OSS)" <peng.fan@oss.nxp.com>, Aisheng Dong <aisheng.dong@nxp.com>, "robh+dt@kernel.org" <robh+dt@kernel.org>, "krzysztof.kozlowski+dt@linaro.org" <krzysztof.kozlowski+dt@linaro.org>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de> Cc: "kernel@pengutronix.de" <kernel@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, dl-linux-imx <linux-imx@nxp.com>, "linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Clark Wang <xiaoning.wang@nxp.com> Subject: RE: [PATCH 0/6] i2c-imx-lpi2c: add IPG clock Date: Tue, 16 Aug 2022 09:47:01 +0000 [thread overview] Message-ID: <DU0PR04MB9417187B9A8A52F4120E3488886B9@DU0PR04MB9417.eurprd04.prod.outlook.com> (raw) In-Reply-To: <b630a007-2548-2196-a963-786c6a98b748@linaro.org> > Subject: Re: [PATCH 0/6] i2c-imx-lpi2c: add IPG clock > > On 16/08/2022 11:43, Peng Fan wrote: > >> No. For such patch ABI break is also not allowed in that case. Just > >> make the driver backwards compatible and both problems - non > >> bisectability and ABI break - go away. > > > > One more point that I am not very clear about "non bisectability and > > ABI break " > > > > ABI, I suppose you mean dt-binding, right? > > The I2C bindings and dts update will go through different tree, I > > think. So dtbs_check may fail considering the PR merge order. > > ABI break means breaking Application Binary Interface, so out of tree DTS > conforming to old bindings stop working with new kernel. > > ABI is described by bindings and implemented by driver. You broke it in the > driver. Thanks for your explanation. V2 will take care of this. Thanks, Peng. > > Best regards, > Krzysztof
next prev parent reply other threads:[~2022-08-16 9:48 UTC|newest] Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-08-12 4:34 [PATCH 0/6] i2c-imx-lpi2c: add IPG clock Peng Fan (OSS) 2022-08-12 4:34 ` Peng Fan (OSS) 2022-08-12 4:34 ` [PATCH 1/6] dt-bindings: i2c: i2c-imx-lpi2c: add ipg clk Peng Fan (OSS) 2022-08-12 4:34 ` Peng Fan (OSS) 2022-08-12 10:11 ` Krzysztof Kozlowski 2022-08-12 10:11 ` Krzysztof Kozlowski 2022-08-12 15:13 ` Rob Herring 2022-08-12 15:13 ` Rob Herring 2022-08-12 4:34 ` [PATCH 2/6] dt-bindings: i2c: i2c-imx-lpi2c: add dmas property Peng Fan (OSS) 2022-08-12 4:34 ` Peng Fan (OSS) 2022-08-12 10:11 ` Krzysztof Kozlowski 2022-08-12 10:11 ` Krzysztof Kozlowski 2022-08-12 4:34 ` [PATCH 3/6] dt-bindings: i2c: i2c-imx-lpi2c: add i.MX93 Peng Fan (OSS) 2022-08-12 4:34 ` Peng Fan (OSS) 2022-08-12 10:11 ` Krzysztof Kozlowski 2022-08-12 10:11 ` Krzysztof Kozlowski 2022-08-12 4:34 ` [PATCH 4/6] arm64: dts: imx8-ss-dma: add IPG clock for i2c Peng Fan (OSS) 2022-08-12 4:34 ` Peng Fan (OSS) 2022-08-12 4:34 ` [PATCH 5/6] ARM: dts: imx7ulp: Add PER clock for lpi2c Peng Fan (OSS) 2022-08-12 4:34 ` Peng Fan (OSS) 2022-08-12 4:34 ` [PATCH 6/6] i2c: imx-lpi2c: handle IPG clock Peng Fan (OSS) 2022-08-12 4:34 ` Peng Fan (OSS) 2022-08-12 10:13 ` Krzysztof Kozlowski 2022-08-12 10:13 ` Krzysztof Kozlowski 2022-08-12 18:58 ` Krzysztof Kozlowski 2022-08-12 18:58 ` Krzysztof Kozlowski 2022-08-12 10:14 ` [PATCH 0/6] i2c-imx-lpi2c: add " Krzysztof Kozlowski 2022-08-12 10:14 ` Krzysztof Kozlowski 2022-08-15 0:52 ` Peng Fan 2022-08-15 0:52 ` Peng Fan 2022-08-16 6:01 ` Krzysztof Kozlowski 2022-08-16 6:01 ` Krzysztof Kozlowski 2022-08-16 6:31 ` Peng Fan 2022-08-16 6:31 ` Peng Fan 2022-08-16 8:43 ` Peng Fan 2022-08-16 8:43 ` Peng Fan 2022-08-16 9:44 ` Krzysztof Kozlowski 2022-08-16 9:44 ` Krzysztof Kozlowski 2022-08-16 9:47 ` Peng Fan [this message] 2022-08-16 9:47 ` Peng Fan
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