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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261029_093416_208459_B77466F5 X-CRM114-Status: GOOD ( 16.07 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 10/8/26 17:32, Karl Mehltretter wrote: > The BOOT register range is optional: the probe function ignores a > failure to map it and the suspend/resume code checks for NULL. It is > mapped with devm_platform_get_and_ioremap_resource(), though, which > calls dev_err_probe() when the resource does not exist. Every > non-removable host without a third reg entry therefore logs an error > at probe time and then works normally. > > The binding only describes the "host" and "cfg" ranges, so this is the > case for the in-tree users. On the Raspberry Pi 5 family (BCM2712), > where the SDIO host of the Wi-Fi module is non-removable, each boot > prints: > > sdhci-brcmstb 1001100000.mmc: error -EINVAL: invalid resource (null) > > Look the resource up with platform_get_resource() first and map it only > when it is present. Hosts that do have the range are mapped by the same > two calls as before. > > Fixes: b7e614802e3f ("mmc: sdhci-brcmstb: save and restore registers during PM") > Assisted-by: LLM > Signed-off-by: Karl Mehltretter Reviewed-by: Florian Fainelli -- Florian