linux-toradex.git/drivers/usb/dwc3, branch master Linux kernel for Apalis and Colibri modules usb: dwc3: Move GUID programming after PHY initialization 2026-04-27T15:57:26+00:00 Selvarasu Ganesan selvarasu.g@samsung.com 2026-04-17T06:33:11+00:00 aad35f9c926ec220b0742af1ada45666ae667956 The Linux Version Code is currently written to the GUID register before PHY initialization. Certain PHY implementations (such as Synopsys eUSB PHY performing link_sw_reset) clear the GUID register to its default value during initialization, causing the kernel version information to be lost. Move the GUID register programming to occur after PHY initialization completes to ensure the Linux version information persists. Fixes: fa0ea13e9f1c ("usb: dwc3: core: write LINUX_VERSION_CODE to our GUID register") Cc: stable <stable@kernel.org> Reported-by: Pritam Manohar Sutar <pritam.sutar@samsung.com> Signed-off-by: Selvarasu Ganesan <selvarasu.g@samsung.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://patch.msgid.link/20260417063314.2359-1-selvarasu.g@samsung.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
The Linux Version Code is currently written to the GUID register before
PHY initialization. Certain PHY implementations (such as Synopsys eUSB
PHY performing link_sw_reset) clear the GUID register to its default
value during initialization, causing the kernel version information to
be lost.

Move the GUID register programming to occur after PHY initialization
completes to ensure the Linux version information persists.

Fixes: fa0ea13e9f1c ("usb: dwc3: core: write LINUX_VERSION_CODE to our GUID register")
Cc: stable <stable@kernel.org>
Reported-by: Pritam Manohar Sutar <pritam.sutar@samsung.com>
Signed-off-by: Selvarasu Ganesan <selvarasu.g@samsung.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://patch.msgid.link/20260417063314.2359-1-selvarasu.g@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: dwc3: starfive: Add JHB100 USB 2.0 DRD controller 2026-04-11T10:02:43+00:00 Minda Chen minda.chen@starfivetech.com 2026-04-10T11:25:00+00:00 87117347a0e77f528f357faa2230d5caffcd1b4e JHB100 contains 2 dwc3 USB controllers and PHYs and working as USB 2.0 speed. It can working in generic platform and setting default properties. Signed-off-by: Minda Chen <minda.chen@starfivetech.com> Link: https://patch.msgid.link/20260410112500.90432-3-minda.chen@starfivetech.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
JHB100 contains 2 dwc3 USB controllers and PHYs and working
as USB 2.0 speed. It can working in generic platform and
setting default properties.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Link: https://patch.msgid.link/20260410112500.90432-3-minda.chen@starfivetech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge tag 'v7.0-rc7' into usb-next 2026-04-06T07:06:39+00:00 Greg Kroah-Hartman gregkh@linuxfoundation.org 2026-04-06T07:06:39+00:00 3723393cc284e09107c0f55c47458b75b29be2c3 We need the USB fixes in here to build on and for testing Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
We need the USB fixes in here to build on and for testing

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: dwc3: imx8mp: fix memory leak on probe failure path 2026-04-02T07:37:45+00:00 Xiaolei Wang xiaolei.wang@windriver.com 2026-04-01T13:49:38+00:00 541288339b8cb8bb62be5ec0eab6c65e9dfc6055 When platform_get_drvdata() returns NULL and probe defers, the error path jumps to the 'depopulate' label, skipping put_device() for the reference acquired by of_find_device_by_node(). This extra reference prevents the child platform device from being freed when of_platform_depopulate() is called, resulting in memory leaks reported by kmemleak: unreferenced object 0xffff0000c92c1480 (size 64): comm "kworker/u16:2", pid 50, jiffies 4294895789 backtrace (crc 49d507d0): kmemleak_alloc+0x34/0x40 __kmalloc_noprof+0x430/0x670 of_device_alloc+0xec/0x26c of_platform_device_create_pdata+0x60/0x1f0 of_platform_bus_create+0x290/0x610 of_platform_populate+0x74/0x118 dwc3_imx8mp_probe+0x228/0x734 Fixes: 86767625f525 ("usb: dwc3: imx8mp: disable auto suspend for host role") Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://patch.msgid.link/20260401134938.686748-1-xiaolei.wang@windriver.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
When platform_get_drvdata() returns NULL and probe defers, the error
path jumps to the 'depopulate' label, skipping put_device() for the
reference acquired by of_find_device_by_node(). This extra reference
prevents the child platform device from being freed when
of_platform_depopulate() is called, resulting in memory leaks reported
by kmemleak:

  unreferenced object 0xffff0000c92c1480 (size 64):
    comm "kworker/u16:2", pid 50, jiffies 4294895789
    backtrace (crc 49d507d0):
      kmemleak_alloc+0x34/0x40
      __kmalloc_noprof+0x430/0x670
      of_device_alloc+0xec/0x26c
      of_platform_device_create_pdata+0x60/0x1f0
      of_platform_bus_create+0x290/0x610
      of_platform_populate+0x74/0x118
      dwc3_imx8mp_probe+0x228/0x734

Fixes: 86767625f525 ("usb: dwc3: imx8mp: disable auto suspend for host role")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://patch.msgid.link/20260401134938.686748-1-xiaolei.wang@windriver.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: dwc3: Add optional VBUS regulator support to SpacemiT K1 2026-03-30T14:51:21+00:00 Chukun Pan amadeus@jmu.edu.cn 2026-03-26T10:00:10+00:00 764c2e6e60bf17910d84e7179fee14129e053b96 Some SpacemiT K1 boards (like OrangePi R2S) provide USB VBUS through a controllable regulator. Add support for the optional vbus-supply property so the regulator can be properly managed in host mode instead of left always-on. Note that this doesn't apply to USB Hub downstream ports with different VBUS supplies. The enabled and disabled actions of the regulator are handled automatically by devm_regulator_get_enable_optional(). Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Reviewed-by: Anand Moon <linux.amoon@gmail.com> Link: https://patch.msgid.link/20260326100010.3588454-2-amadeus@jmu.edu.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Some SpacemiT K1 boards (like OrangePi R2S) provide USB VBUS
through a controllable regulator. Add support for the optional
vbus-supply property so the regulator can be properly managed
in host mode instead of left always-on. Note that this doesn't
apply to USB Hub downstream ports with different VBUS supplies.

The enabled and disabled actions of the regulator are handled
automatically by devm_regulator_get_enable_optional().

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Link: https://patch.msgid.link/20260326100010.3588454-2-amadeus@jmu.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: dwc3: dwc3-generic-plat: spacemit: add support for K3 SoC 2026-03-30T14:50:18+00:00 Yixun Lan dlan@kernel.org 2026-03-20T07:15:38+00:00 c05cf9d274daf72dc7e433480cf2e0e888f6bd89 Add support for the DWC3 USB controller which found in SpacemiT K3 SoC. Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Signed-off-by: Yixun Lan <dlan@kernel.org> Link: https://patch.msgid.link/20260320-02-k3-usb20-support-v2-2-308ea0e44038@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Add support for the DWC3 USB controller which found in SpacemiT K3 SoC.

Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Yixun Lan <dlan@kernel.org>
Link: https://patch.msgid.link/20260320-02-k3-usb20-support-v2-2-308ea0e44038@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: dwc3: imx: avoid calling imx suspend/resume callbacks twice 2026-03-18T15:22:18+00:00 Xu Yang xu.yang_2@nxp.com 2026-03-17T03:05:46+00:00 84db3719d27337b952fe382413d341fb95351130 If a runtime suspend is executed followed by a system suspend, the driver may invoke dwc3_imx_suspend() twice, which causes enable_irq() to be called twice as well. This leads to an unbalanced IRQ state and may trigger warnings or malfunction. Prevent this by checking the pm_suspended flag before running the imx suspend/resume path. Fixes: 76fc9452a6bf ("usb: dwc3: introduce flatten model driver of i.MX Soc") Signed-off-by: Xu Yang <xu.yang_2@nxp.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://patch.msgid.link/20260317030546.1665206-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
If a runtime suspend is executed followed by a system suspend, the driver
may invoke dwc3_imx_suspend() twice, which causes enable_irq() to be
called twice as well. This leads to an unbalanced IRQ state and may
trigger warnings or malfunction. Prevent this by checking the pm_suspended
flag before running the imx suspend/resume path.

Fixes: 76fc9452a6bf ("usb: dwc3: introduce flatten model driver of i.MX Soc")
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://patch.msgid.link/20260317030546.1665206-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dwc3: google: Fix PM domain leak in dwc3_google_probe() 2026-03-18T15:18:22+00:00 Felix Gu ustc.gu@gmail.com 2026-03-16T15:30:06+00:00 1a122198ee26d2f328edae802b2ca4fa0518a20a When syscon_regmap_lookup_by_phandle_args() fails, the function was returning directly without cleaning up the power domain initialized earlier by dwc3_google_pm_domain_init(). Fix by jumping to err_deinit_pdom to properly clean up resources. Fixes: 8995a37371bf4 ("usb: dwc3: Add Google Tensor SoC DWC3 glue driver") Signed-off-by: Felix Gu <ustc.gu@gmail.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://patch.msgid.link/20260316-dwc3-google-v1-1-c9bde1b02f62@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
When syscon_regmap_lookup_by_phandle_args() fails, the function was
returning directly without cleaning up the power domain initialized
earlier by dwc3_google_pm_domain_init().

Fix by jumping to err_deinit_pdom to properly clean up resources.

Fixes: 8995a37371bf4 ("usb: dwc3: Add Google Tensor SoC DWC3 glue driver")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://patch.msgid.link/20260316-dwc3-google-v1-1-c9bde1b02f62@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge 7.0-rc4 into usb-next 2026-03-16T10:50:48+00:00 Greg Kroah-Hartman gregkh@linuxfoundation.org 2026-03-16T10:50:48+00:00 de6c925db978004703944585e9dd57d58aba0fac We need the USB fixes in this branch as well to build on top of Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
We need the USB fixes in this branch as well to build on top of

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb: dwc3: pci: add support for the Intel Nova Lake -H 2026-03-11T15:19:41+00:00 Heikki Krogerus heikki.krogerus@linux.intel.com 2026-03-09T13:02:04+00:00 17ab4d4078e22be7fd8fd6fc710c15c085a4cb1b This patch adds the necessary PCI ID for Intel Nova Lake -H devices. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: stable <stable@kernel.org> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://patch.msgid.link/20260309130204.208661-1-heikki.krogerus@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This patch adds the necessary PCI ID for Intel Nova Lake -H
devices.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: stable <stable@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://patch.msgid.link/20260309130204.208661-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>