kernel/git/next/linux-next.git/drivers/usb/cdns3, branch master

Merge 7.3-rc2 into usb-next

2026-09-07T14:41:48+00:00

We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman

usb: cdnsp: fix wakeup from S3 after controller context loss

2026-09-01T14:43:42+00:00

CDNSP controller may lose its runtime register programming across S3 suspend/resume, depending on SoC power domain configuration. After resume the operational and interrupter registers may contain reset values, which prevents the gadget side from recovering correctly and breaks wakeup from S3. Fix this by detecting whether the controller lost its register context after resume and handling both cases: - If context was lost (CFG_3XPORT_U1_PIPE_CLK_GATE_EN set or power lost): reset the controller and reprogram the state required for normal operation, including the command ring, DCBAA pointer, doorbell base, event ring, ERST base/size and event ring dequeue pointer. - If context was retained: restart the controller directly without reprogramming registers. Issue a wakeup if the link was in U3 before suspend. Move the basic controller register programming out of the one-time memory initialization path and make it reusable from the resume path. Also separate ring allocation from ring initialization so that rings can be reinitialized without reallocating DMA memory. Always perform the full suspend sequence regardless of the current link state. Previously, if the device was already in U3, the suspend callback returned early without stopping the controller, which could lead to commands being issued on a disabled slot during resume. Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Cc: stable Signed-off-by: Pawel Laszczak Acked-by: Peter Chen Link: https://patch.msgid.link/20260820-suspend_resume_fix-v3-1-5a713098b977@cadence.com Signed-off-by: Greg Kroah-Hartman

usb: cdns3: Remove redundant dev_err()

2026-09-01T14:27:29+00:00

Since commit 55b48e23f5c4 ("genirq/devres: Add error handling in devm_request_*_irq()"), devm_request_irq() and devm_request_threaded_irq() automatically log detailed error messages on failure. Remove the now-redundant driver-specific dev_err() calls. Signed-off-by: Pan Chuang Acked-by: Peter Chen Link: https://patch.msgid.link/20260731035448.252289-2-panchuang@vivo.com Signed-off-by: Greg Kroah-Hartman

Merge 7.2-rc7 into usb-next

2026-08-14T01:17:11+00:00

We need the USB fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman

usb: cdnsp: fix incorrect endian conversions for APB timeout register

2026-08-03T15:23:47+00:00

readl() already returns a CPU-endian value. Passing its return value to le32_to_cpu() is therefore redundant and causes an incorrect double byte swap on big-endian systems. Similarly, writel() expects a CPU-endian value, so passing the result of cpu_to_le32() is incorrect. Remove the unnecessary conversions and operate on the MMIO register value as a CPU-endian u32. Fixes: 241e2ce88e5a ("usb: cdnsp: Fix issue with resuming from L1") Suggested-by: Arnd Bergmann Cc: stable Signed-off-by: Pawel Laszczak Acked-by: Arnd Bergmann Link: https://patch.msgid.link/20260720-endian-fix-v1-v1-1-b5681fa1ea9f@cadence.com Signed-off-by: Greg Kroah-Hartman

Merge 7.2-rc3 into usb-next

2026-07-13T05:09:28+00:00

We need the USB fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman

usb: cdns3: plat: fix a typo in cdns3_plat_probe()

2026-07-08T12:15:36+00:00

Fixes typos in dev_err_probe(): 'cdn3,usb*-phy' -> 'cdns3,usb*-phy'. Signed-off-by: Ihor Matushchak Acked-by: Peter Chen Link: https://patch.msgid.link/20260703120136.19852-1-ihor.matushchak@foobox.net Signed-off-by: Greg Kroah-Hartman

usb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info()

2026-06-25T14:12:15+00:00

cdnsp_alloc_stream_info() allocates stream_info->stream_ctx_array with cdnsp_alloc_stream_ctx(). If a later stream ring allocation or stream mapping update fails, the error path frees the allocated stream rings and stream_rings array, but leaves stream_ctx_array allocated. Free the stream context array before falling through to the stream_rings cleanup path. Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Cc: stable Signed-off-by: Haoxiang Li Acked-by: Peter Chen Link: https://patch.msgid.link/20260622052627.696373-1-haoxiang_li2024@163.com Signed-off-by: Greg Kroah-Hartman

Merge tag 'v7.1-rc6' into usb-next

2026-06-01T15:39:51+00:00

We need the USB and Thunderbolt fixes in here as well. Signed-off-by: Greg Kroah-Hartman

usb: cdnsp: Add support for device-only configuration

2026-05-22T09:36:05+00:00

This patch introduces support for the Cadence USBSSP (cdnsp) controller in hardware configurations where the Dual-Role Device (DRD) register block is not implemented or is inaccessible. In such cases, the driver cannot rely on the DRD logic to manage roles and must operate exclusively in a fixed peripheral/host mode. The change in BAR indexing (from BAR 2 to BAR 1) is a direct consequence of the 32-bit addressing used in this specific DRD-disabled hardware layout, compared to the 64-bit addressing used in DRD-enabled configurations. Tested on a PCI platform with a hardware configuration that lacks DRD support. Platform-side changes are included to support the PCI glue layer's property injection to handle this specific layout. Acked-by: Peter Chen Acked-by: Bjorn Helgaas Signed-off-by: Pawel Laszczak Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202605141023.18vWXyw3-lkp@intel.com/ Link: Closes: https://lore.kernel.org/oe-kbuild-all/202605141023.18vWXyw3-lkp@intel.com/ Link: https://patch.msgid.link/20260521-no_drd_config_v9-v9-2-2512cef10104@cadence.com Signed-off-by: Greg Kroah-Hartman