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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260307_024053_820801_15FB092E X-CRM114-Status: GOOD ( 13.15 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 07/03/2026 11:37, Christian Marangi wrote: >>> + >>> + if (phy_type == PHY_TYPE_USB3) { >>> + ret = of_property_read_u32(dev->of_node, "airoha,usb3-serdes", >>> + &priv->serdes_port); >>> + if (ret) >>> + return dev_err_probe(dev, ret, "missing serdes line for USB 3.0\n"); >>> + >>> + priv->scu = syscon_regmap_lookup_by_compatible("airoha,en7581-scu"); >> >> Nope, you need phandle to express proper device links. >> >> Don't sprinkle compatible lookups for new code which does not need to >> keep things backwards compatible. How do you manage device links >> without phandle? How do you manage device probe ordering? >> > > Hi, > > the phandle to SCU was present in old implementation but later dropped as it was > said that it wouldn't describe the HW. I went through v3 review and I did not find such said arguments. Can you point me to it? > > I will readd as airoha,scu. Is it ok for you? > > (I actually prefer phandle than hardcoding compatible as it makes things more > descriptive and prevent all kind of problem in the future, so I'm more than > happy than using that) > Best regards, Krzysztof