From: Thinh Nguyen Date: Fri, 2 Jan 2026 21:53:46 +0000 (+0000) Subject: usb: dwc3: Check for USB4 IP_NAME X-Git-Tag: v6.19-rc6~7^2~14 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ed91d47959cb7573c17e06487f0fb891d59dfb3;p=thirdparty%2Flinux.git 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 Link: https://patch.msgid.link/e6f1827754c7a7ddc5eb7382add20bfe3a9b312f.1767390747.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index ec8407972b9d..93fd5fdf95cb 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -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)) { diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index a5fc92c4ffa3..45757169b672 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1265,6 +1265,7 @@ struct dwc3 { #define DWC3_IP 0x5533 #define DWC31_IP 0x3331 #define DWC32_IP 0x3332 +#define DWC4_IP 0x3430 u32 revision;