linux-kernel - [PATCH] USB: pci-quirks: Skip usb_early

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Date: Tue, 21 May 2024 13:16:35 +0530
From: Akash Kumar <quic_akakum@...cinc.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jing Leng
	<jleng@...arella.com>, Felipe Balbi <balbi@...nel.org>,
        Pratham Pratap  <quic_ppratap@...cinc.com>,
        Jack Pham
	<quic_jackp@...cinc.com>, <kernel@...cinc.com>,
        Wesley Cheng
	<quic_wcheng@...cinc.com>,
        Vijayavardhan Vennapusa
	<quic_vvreddy@...cinc.com>,
        Krishna Kurapati <quic_kriskura@...cinc.com>
CC: <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Akash Kumar
	<quic_akakum@...cinc.com>
Subject: [PATCH] USB: pci-quirks: Skip usb_early_handoff for Renesas PCI USB

Skip usb_early_handoff for the Renesas PCI USB controller due to
the firmware not being loaded beforehand, which impacts the bootup
time.

Signed-off-by: Akash Kumar <quic_akakum@...cinc.com>
---
 drivers/usb/host/pci-quirks.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 0b949acfa258..a0770ecc0861 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -1264,6 +1264,11 @@ static void quirk_usb_early_handoff(struct pci_dev *pdev)
 		}
 	}
 
+	/* Skip handoff for Renesas PCI USB controller on QCOM SOC */
+	if ((pdev->vendor == PCI_VENDOR_ID_RENESAS) &&
+			(pcie_find_root_port(pdev)->vendor == PCI_VENDOR_ID_QCOM))
+		return;
+
 	if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI &&
 			pdev->class != PCI_CLASS_SERIAL_USB_OHCI &&
 			pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&
-- 
2.17.1