From patchwork Mon Jan 13 10:59:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Cassel X-Patchwork-Id: 13937156 X-Patchwork-Delegate: bhelgaas@google.com Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0ED4A1C1F00; Mon, 13 Jan 2025 10:59:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736765992; cv=none; b=Lkx6snADC93Ynvqnpr4BlW+8sX16CdxtAy69/JdcA3jjvYta0z1sRXAyTFqytRQ1Nf7d9Q9y3wcTteQf8wRewLYZdjIT/Is9Ls8uUak4lKRJxByHr7m2xFc3eZaPpCTfgIax3aPGdrqy0BXZY2PPlSNjJtjuEGJSLt34rBJK4Sk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736765992; c=relaxed/simple; bh=QIWLDCAmcI1C+xvUDFC7xp8Yn/Gi3b0khk0TnqElATQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=PBJcP1sdRSJSl7ji0cWmDcAB4QX4n0ws8kNUOcDKLugb5rJKmxQojRuAbLTyuTY+qKQ5PZMPiQzxtz7dApPuvS4EAHMi29RaWMDC0lg1PylGjBqP3wDHJ/WyGjJXFxpPMgCoRs/L69q1bQzhA2zgOmjDWp1fiTJP923iZpVVO0s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jjoGlL0+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jjoGlL0+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E513FC4CED6; Mon, 13 Jan 2025 10:59:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736765991; bh=QIWLDCAmcI1C+xvUDFC7xp8Yn/Gi3b0khk0TnqElATQ=; h=From:Date:Subject:To:Cc:From; b=jjoGlL0+Uy+eDbOExpu6Pn9TRlQ5ZGhlp1GN9Q3LgRjHfA9SdeElCX+nlXjGZE4Zb vRKGAsp4zVpJCJ5ZI5oleD2VC7fNUL2zcEQnaUpJZdMlEIFPmSjd5vz4VR11LRDc0o AMWvRW3/c64M/UbhWcOV1wBJN52e1BrG5QojGDmUTe6cy5Dnlo13w/0AAVGiwIJbZj ICU5FtJupJeEQOWIhmBWtvlOxjZ4hZWIvbYQEJ00IIyRu8HVQpFK4yvWjj8Lu+Ie40 SVoc4wLHhXmuUhJXNE6XqNBfFEltijb8+maPBJHvZyDDUS3pIC6NkftT/aNuvqUxye gQdU/bkNaZchw== From: Niklas Cassel Date: Mon, 13 Jan 2025 11:59:34 +0100 Subject: [PATCH] PCI: dw-rockchip: Skip waiting for link up Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250113-rockchip-no-wait-v1-1-25417f37b92f@kernel.org> X-B4-Tracking: v=1; b=H4sIABXyhGcC/x3MTQqAIBBA4avErBvwpzZdJVqYjTkEKhoVSHdPW n6L9yoUykwFpq5CposLx9Ag+w6sN2En5K0ZlFCjkFJjjvawnhOGiLfhEwehnVvtoLTU0LKUyfH zL+flfT8OWRQhYgAAAA== X-Change-ID: 20250113-rockchip-no-wait-403ffbc42313 To: Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Heiko Stuebner Cc: Damien Le Moal , Anand Moon , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Niklas Cassel X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1285; i=cassel@kernel.org; h=from:subject:message-id; bh=QIWLDCAmcI1C+xvUDFC7xp8Yn/Gi3b0khk0TnqElATQ=; b=owGbwMvMwCV2MsVw8cxjvkWMp9WSGNJbPqmYqOpeqY05+MXbvOGK0ZtZrkU2Hi0rufiTuJ6au 4rv2W3XUcrCIMbFICumyOL7w2V/cbf7lOOKd2xg5rAygQxh4OIUgImwKTL8z9E/tSODJaq3VWFq W5d83n+fe5OWlbFfOSd6sDBUQaZYg5FhatCf175aTldnTm572Pi2sv/x5JBbOyeoa9WsSNZYvtq UFwA= X-Developer-Key: i=cassel@kernel.org; a=openpgp; fpr=5ADE635C0E631CBBD5BE065A352FE6582ED9B5DA The Root Complex specific device tree binding for pcie-dw-rockchip has the 'sys' interrupt marked as required. The driver requests the 'sys' IRQ unconditionally, and errors out if not provided. Thus, we can unconditionally set use_linkup_irq before calling dw_pcie_host_init(). This will skip the wait for link up (since the bus will be enumerated once the link up IRQ is triggered), which reduces the bootup time. Signed-off-by: Niklas Cassel --- drivers/pci/controller/dwc/pcie-dw-rockchip.c | 1 + 1 file changed, 1 insertion(+) --- base-commit: 2adda4102931b152f35d054055497631ed97fe73 change-id: 20250113-rockchip-no-wait-403ffbc42313 Best regards, diff --git a/drivers/pci/controller/dwc/pcie-dw-rockchip.c b/drivers/pci/controller/dwc/pcie-dw-rockchip.c index 1170e1107508bd793b610949b0afe98516c177a4..62034affb95fbb965aad3cebc613a83e31c90aee 100644 --- a/drivers/pci/controller/dwc/pcie-dw-rockchip.c +++ b/drivers/pci/controller/dwc/pcie-dw-rockchip.c @@ -435,6 +435,7 @@ static int rockchip_pcie_configure_rc(struct rockchip_pcie *rockchip) pp = &rockchip->pci.pp; pp->ops = &rockchip_pcie_host_ops; + pp->use_linkup_irq = true; return dw_pcie_host_init(pp); }