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Thu, 26 Feb 2026 02:10:43 -0800 (PST) Received: from rockpi-5b ([45.112.0.78]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82739dabd43sm2252704b3a.25.2026.02.26.02.10.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Feb 2026 02:10:43 -0800 (PST) From: Anand Moon To: Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Heiko Stuebner , Niklas Cassel , Shawn Lin , Hans Zhang <18255117159@163.com>, Nicolas Frattaroli , Wilfred Mallawa , linux-pci@vger.kernel.org (open list:PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Rockchip SoC support), linux-rockchip@lists.infradead.org (open list:ARM/Rockchip SoC support), linux-kernel@vger.kernel.org (open list) Cc: Anand Moon , Grimmauld Subject: [PATCH v3] PCI: dw-rockchip: Enable async probe by default Date: Thu, 26 Feb 2026 15:40:23 +0530 Message-ID: <20260226101032.1042-1-linux.amoon@gmail.com> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260226_021046_904160_905832FC X-CRM114-Status: GOOD ( 12.72 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Rockchip DWC PCIe driver currently performs synchronous link training for combo PHYs (PCIe 3.0/2.0 and SATA 3.0) during boot. This process waits for the link to be fully established, adding several milliseconds to the boot sequence. To optimize boot time, this change enables asynchronous probing, allowing link establishment to proceed in the background while the kernel continues probing other devices. Cc: Grimmauld Cc: Niklas Cassel Tested-by: Grimmauld Signed-off-by: Anand Moon --- v3: update the commit message to describe the changs. added tested by Grimmauld. https://lore.kernel.org/all/20240809073610.2517-1-linux.amoon@gmail.com/ v2: update the commit message to describe the changs. --- drivers/pci/controller/dwc/pcie-dw-rockchip.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/controller/dwc/pcie-dw-rockchip.c b/drivers/pci/controller/dwc/pcie-dw-rockchip.c index 5b17da63151d5..c31e0e9848327 100644 --- a/drivers/pci/controller/dwc/pcie-dw-rockchip.c +++ b/drivers/pci/controller/dwc/pcie-dw-rockchip.c @@ -746,6 +746,7 @@ static struct platform_driver rockchip_pcie_driver = { .name = "rockchip-dw-pcie", .of_match_table = rockchip_pcie_of_match, .suppress_bind_attrs = true, + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = rockchip_pcie_probe, }; base-commit: f4d0ec0aa20d49f09dc01d82894ce80d72de0560 -- 2.50.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip