Commit 0ed91d47 authored Jan 02, 2026 by Thinh Nguyen Committed by Greg Kroah-Hartman Jan 07, 2026

usb: dwc3: Check for USB4 IP_NAME

Synopsys renamed DWC_usb32 IP to DWC_usb4 as of IP version 1.30. No
functional change except checking for the IP_NAME here. The driver will
treat the new IP_NAME as if it's DWC_usb32. Additional features for USB4
will be introduced and checked separately.

Cc: stable@vger.kernel.org
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://patch.msgid.link/e6f1827754c7a7ddc5eb7382add20bfe3a9b312f.1767390747.git.Thinh.Nguyen@synopsys.com

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent f8f9c1f4

drivers/usb/dwc3/core.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -993,6 +993,8 @@ static bool dwc3_core_is_valid(struct dwc3 *dwc)

		reg = dwc3_readl(dwc->regs, DWC3_GSNPSID);
		dwc->ip = DWC3_GSNPS_ID(reg);
		if (dwc->ip == DWC4_IP)
		dwc->ip = DWC32_IP;

		/* This should read as U3 followed by revision number */
		if (DWC3_IP_IS(DWC3)) {

+1 −0