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(unknown []) by gzsmtp3 (Coremail) with SMTP id PigvCgC3Ha9Qoi1p2MM7GA--.20690S2; Mon, 01 Dec 2025 22:12:34 +0800 (CST) From: huyuye To: sunilvl@ventanamicro.com Cc: ajones@ventanamicro.com, anup@brainfault.org, aou@eecs.berkeley.edu, atishp@rivosinc.com, bhelgaas@google.com, catalin.marinas@arm.com, conor.dooley@microchip.com, dfustini@tenstorrent.com, haibo1.xu@intel.com, lenb@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-riscv@lists.infradead.org, palmer@dabbelt.com, rafael@kernel.org, robert.moore@intel.com, samuel.holland@sifive.com, tglx@linutronix.de, will@kernel.org, dai.hualiang@zte.com.cn, deng.weixian@zte.com.cn, guo.chang2@zte.com.cn, liu.qingtao2@zte.com.cn, wu.jiabao@zte.com.cn, lin.yongchun@zte.com.cn, hu.yuye@zte.com.cn, zhang.longxiang@zte.com.cn, huyuye Subject: Re:[PATCH v7 08/17] ACPI: pci_link: Clear the dependencies after probe Date: Mon, 1 Dec 2025 22:12:29 +0800 Message-ID: <20251201141230.12656-1-huyuye812@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240729142241.733357-9-sunilvl@ventanamicro.com> References: <20240729142241.733357-9-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CM-TRANSID: PigvCgC3Ha9Qoi1p2MM7GA--.20690S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7JF4DWr1ruFy8AFWkArykGrg_yoWfuwc_Kr 1kAFyDZw4fK3W7tFy3GFykJFW3K3yagr9xGayIq392kw43Zan8Cws29r4Iyr45CFWxGrn0 kr13Zw47K34a9jkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7VUjVOptUUUUU== X-Originating-IP: [111.30.199.151] X-CM-SenderInfo: 5kx135bhyrjqqrwthudrp/1tbioBkXCGktloy9jAADsK X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251201_061348_854922_CDAB4C22 X-CRM114-Status: UNSURE ( 8.58 ) X-CRM114-Notice: Please train this message. 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 > Hi, sunilvl > Based on the above patch, I understand that you previously >resolved dependencies between Link devices and PCI Host Bridges by >calling acpi_dev_clear_dependencies(device). I would like to ask: >on RISC‑V platforms, if we need to manage dependencies between >multiple PCI Host Bridges, could this be addressed by adding a >call to acpi_dev_clear_dependencies(device) at the end of the >acpi_pci_root_add enumeration function? > Initialization order dependencies can be defined via the ACPI >_DEP method in the DSDT. For example, if host bridge B depends on >host bridge A, bridge B should not be enumerated until bridge A is >fully initialized. > Yes, that should work. > Regards, > Sunil Hi,Sunil I'm truly honored by your affirmation of my answer.Do you think this solution has a chance of being accepted into the upstream kernel? Are there any unintended side effects we may have overlooked? Regards, Yuye