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Sat, 07 Jan 2023 07:07:37 -0800 (PST) Message-ID: Date: Sat, 7 Jan 2023 16:07:35 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH] dt-bindings: mmc: fsl-imx-esdhc: allow more compatible combinations Content-Language: en-US To: Andreas Kemnade Cc: ulf.hansson@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20230105213856.1828360-1-andreas@kemnade.info> <20230106203358.14878660@aktux> <967cc7b7-f0bb-de37-52b9-7bfab05eadd7@linaro.org> <20230107144336.2ecff4f9@aktux> <123d1a56-8134-dc75-8b2a-b3836e727d4a@linaro.org> <20230107150740.0ba34aa1@aktux> <0ab84fb8-6173-54e0-abad-a0e0e4ba82e7@linaro.org> <20230107160105.66df4136@aktux> From: Krzysztof Kozlowski In-Reply-To: <20230107160105.66df4136@aktux> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230107_070742_916078_EA892380 X-CRM114-Status: GOOD ( 19.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 07/01/2023 16:01, Andreas Kemnade wrote: > On Sat, 7 Jan 2023 15:09:24 +0100 > Krzysztof Kozlowski wrote: > >> On 07/01/2023 15:07, Andreas Kemnade wrote: >>> On Sat, 7 Jan 2023 15:00:56 +0100 >>> Krzysztof Kozlowski wrote: >>> >>> [...] >>>>>> I asked to remove half-compatible. Not to enforce. >>>>>> >>> so you are saying that allowing >>> compatible = "A", "B" >>> is not ok, if B is not fully compatible. I agree with that >>> one. >> >> I did not say that. It's not related to this problem. >> > You said "I asked to remove half-compatible" that means to me > remove "B" if not fully compatible with A which sounds sane to me. > >> Again - you cannot have device which is and is not compatible with >> something else. It's not a Schroedinger's cat to be in two states, >> unless you explicitly document the cases (there are exception). If this >> is such exception, it requires it's own documentation. >> > so conclusion: > If having A and B half-compatible with A: > > compatible = "A" only: is allowed to specifiy it the binding (status quo), > but not allowed to make the actual dtsi match the binding documentation > https://lore.kernel.org/linux-devicetree/72e1194e10ccb4f87aed96265114f0963e805092.camel@pengutronix.de/ > and > https://lore.kernel.org/linux-devicetree/20210924091439.2561931-5-andreas@kemnade.info/ > > compatible = "A", "B" in the binding definition: is not allowed ("I asked to remove > half-compatible" (= removing B)) No, half compatible is the A in such case. > > having mismatch between binding definition and devicetree causes dtbs_check errors > -> also not nice. > > I rather drop this patch and learn to live with dtbs_check errors > for this one since I have no idea how to proceed. All roads are blocked. > This all causes too much churn. And why you cannot implement what I asked for? Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel