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2020-01-08phy: core: Add consumer device link supportAlexandre Torgue
In order to enforce suspend/resume ordering, this commit creates link between phy consumers and phy devices. This link avoids to suspend phy before phy consumers. Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com> [jonathanh@nvidia.com: Fix an abort when of_phy_get() returns error] Signed-off-by: Jonathan Hunter <jonathanh@nvidia.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2020-01-06USB: Fix: Don't skip endpoint descriptors with maxpacket=0Alan Stern
It turns out that even though endpoints with a maxpacket length of 0 aren't useful for data transfer, the descriptors do serve other purposes. In particular, skipping them will also skip over other class-specific descriptors for classes such as UVC. This unexpected side effect has caused some UVC cameras to stop working. In addition, the USB spec requires that when isochronous endpoint descriptors are present in an interface's altsetting 0 (which is true on some devices), the maxpacket size _must_ be set to 0. Warning about such things seems like a bad idea. This patch updates an earlier commit which would log a warning and skip these endpoint descriptors. Now we only log a warning, and we don't even do that for isochronous endpoints in altsetting 0. We don't need to worry about preventing endpoints with maxpacket = 0 from ever being used for data transfers; usb_submit_urb() already checks for this. Reported-and-tested-by: Roger Whittaker <Roger.Whittaker@suse.com> Fixes: d482c7bb0541 ("USB: Skip endpoints with 0 maxpacket length") Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://marc.info/?l=linux-usb&m=157790377329882&w=2 Link: https://lore.kernel.org/r/Pine.LNX.4.44L0.2001061040270.1514-100000@iolanthe.rowland.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-06remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig
ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
2020-01-02USB-PD tcpm: bad warning+size, PPS adaptersDouglas Gilbert
Augmented Power Delivery Objects (A)PDO_s are used by USB-C PD power adapters to advertize the voltages and currents they support. There can be up to 7 PDO_s but before PPS (programmable power supply) there were seldom more than 4 or 5. Recently Samsung released an optional PPS 45 Watt power adapter (EP-TA485) that has 7 PDO_s. It is for the Galaxy 10+ tablet and charges it quicker than the adapter supplied at purchase. The EP-TA485 causes an overzealous WARN_ON to soil the log plus it miscalculates the number of bytes to read. So this bug has been there for some time but goes undetected for the majority of USB-C PD power adapters on the market today that have 6 or less PDO_s. That may soon change as more USB-C PD adapters with PPS come to market. Tested on a EP-TA485 and an older Lenovo PN: SA10M13950 USB-C 65 Watt adapter (without PPS and has 4 PDO_s) plus several other PD power adapters. Signed-off-by: Douglas Gilbert <dgilbert@interlog.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20191230033544.1809-1-dgilbert@interlog.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-02Merge tag 'usb-serial-5.5-rc5' of ↵Greg Kroah-Hartman
https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: USB-serial fixes for 5.5-rc5 Here's a couple of new modem device ids, including a new quirk for devices that expect zero-length packets. Due to the holidays, only the first one has been in linux-next and with no reported issues. Signed-off-by: Johan Hovold <johan@kernel.org> * tag 'usb-serial-5.5-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial: USB: serial: option: add ZLP support for 0x1bc7/0x9010 USB: serial: option: add Telit ME910G1 0x110a composition
2019-12-31usb: host: Do not compile test deprecated USB_OCTEON_EHCIKrzysztof Kozlowski
The USB_OCTEON_EHCI is deprecated and only selects proper driver so there is no need to compile test it. Since it selects USB_EHCI_BIG_ENDIAN_MMIO it causes compilation failures on certain big endian architectures (e.g. m68k): In file included from drivers/usb/host/ehci-mxc.c:19:0: drivers/usb/host/ehci.h: In function ‘ehci_readl’: drivers/usb/host/ehci.h:743:3: error: implicit declaration of function ‘readl_be’ [-Werror=implicit-function-declaration] Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/1577778392-570-1-git-send-email-krzk@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: usb3503: Convert to use GPIO descriptorsLinus Walleij
This converts the USB3503 to pick GPIO descriptors from the device tree instead of iteratively picking out GPIO number references and then referencing these from the global GPIO numberspace. The USB3503 is only used from device tree among the in-tree platforms. If board files would still desire to use it they can provide machine descriptor tables. Make sure to preserve semantics such as the reset delay introduced by Stefan. Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Stefan Agner <stefan@agner.ch> Cc: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> [mszyprow: invert the logic behind reset GPIO line] Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20191211145226.25074-1-m.szyprowski@samsung.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: renesas_usbhs: Switch to GPIO descriptorLinus Walleij
The Renesas USBHS driver includes a bit of surplus headers and uses the old GPIO API so let's switch it to use the GPIO descriptor. I noticed that the enable_gpio inside renesas_usbhs_driver_param isn't really referenced anywhere, and it is also the wrong type (u32) so let's just delete it and use a local variable instead. Cc: Eugeniu Rosca <erosca@de.adit-jv.com> Cc: Veeraiyan Chidambaram <veeraiyan.chidambaram@in.bosch.com> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20191217141241.57639-1-linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: phy: Enable compile testing for some of driversKrzysztof Kozlowski
Some of the USB phy drivers can be compile tested to increase build coverage. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20191230172215.17370-2-krzk@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: host: Enable compile testing for some of driversKrzysztof Kozlowski
Some of the USB host drivers can be compile tested to increase build coverage. Add 'if' conditional to 'default y' so they will not get enabled by default on all other architectures. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20191230172215.17370-1-krzk@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: typec: ucsi: add support for separate DP altmode devicesAjay Gupta
CCGx controller used on NVIDIA GPU card has two separate display altmode for two DP pin assignments. UCSI specification doesn't prohibits using separate display altmode. Current UCSI Type-C framework expects only one display altmode for all DP pin assignment. This patch squashes two separate display altmode into single altmode to support controllers with separate display altmode. We first read all the alternate modes of connector and then run through it to know if there are separate display altmodes. If so, it prepares a new port altmode set after squashing two or more separate altmodes into one. Signed-off-by: Ajay Gupta <ajayg@nvidia.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20191230133431.63445-3-heikki.krogerus@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: typec: ucsi: Store the notification maskHeikki Krogerus
The driver needs to ignore any Connector Change Events before the Connector Change Indication notifications have actually been enabled. This adds a check to ucsi_connector_change() function to make sure the function does not try to process the event unless the Connector Change notifications have been enabled. It is quite common that the firmware representing the "PPM" (Platform Policy Manager) starts generating Connector Change notifications even when only the Command Completion notifications are enabled. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20191230133431.63445-2-heikki.krogerus@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: mtk-xhci: Do not explicitly set the DMA maskTomasz Figa
The mtk-xhci platform glue sets the DMA mask to 32 bits on its own, which was needed before commit fda182d80a0b ("usb: xhci: configure 32-bit DMA if the controller does not support 64-bit DMA"), but now it has no effect, because xhci_gen_setup() sets it up for us according to hardware capabilities. Remove the useless code. Signed-off-by: Tomasz Figa <tfiga@chromium.org> Link: https://lore.kernel.org/r/20191219093954.163417-1-tfiga@chromium.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: phy: ab8500-usb: Keep PHY turned on in UART modeStephan Gerhold
AB8505 supports an "UART carkit mode" which makes UART accessible through the USB connector. Upon detection of the UART cable, this mode has to be manually enabled by: 1. Turning on the PHY in peripheral mode 2. Reconfiguring PHY/pins to route UART signals to USB pins At the moment, we do not handle the UART link statuses at all, which means that UART stops working as soon as phy-ab8500-usb is loaded (since we disable the PHY after initialization). Keeping UART working if the cable is inserted before turning on the device is quite simple: In this case, early boot firmware has already set up the necessary PHY/pin configuration. The presence of the UART cable is reported by a special value in the USB link status register. We can check for that value in ab8505_usb_link_status_update() and set the PHY back to peripheral mode to restore UART. (Note: This will result in some minor garbage since we still temporarily disable the PHY during initialization...) Fully implementing this feature is more complicated: For some reason, AB8505 does not update UART link status after bootup. Regular USB cables work fine, but the link status register does not change its state if an UART cable is inserted/removed. It seems likely that the hardware is not actually capable of detecting UART cables autonomously. In addition to the USB link status register, implementations in the vendor kernel also manually measure the ID resistance to detect additional cable types. For UART cables, the USB link status register might simply reflect the PHY configuration instead of the actual link status. Implementing that functionality requires significant additions, so for now just implement the simple case. This allows using UART when inserting the cable before turning on the device. Signed-off-by: Stephan Gerhold <stephan@gerhold.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20191218203450.71037-1-stephan@gerhold.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: cdns3: gadget: Remove unneeded variable retXu Wang
Remove unneeded variable ret used to store return value,just return 0. Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Acked-by: Roger Quadros <rogerq@ti.com> Link: https://lore.kernel.org/r/1576826378-4387-1-git-send-email-vulab@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30USB: EHCI: ehci-mv: add HSIC supportLubomir Rintel
Some special dance is needed to initialize the HSIC port. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Acked-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20191221065008.266445-2-lkundrak@v3.sk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30USB: EHCI: ehci-mv: drop pxa_ehci_type and some device IDsLubomir Rintel
This is merely a cleanup. None of these is used anywhere. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Acked-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20191221065008.266445-4-lkundrak@v3.sk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30USB: EHCI: ehci-mv: make the PHY optionalLubomir Rintel
We may be using a NOP transceiver and those are treated specially by the USB core and return -ENODEV with devm_phy_get(). Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Acked-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20191221065008.266445-3-lkundrak@v3.sk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: chipidea: host: Disable port power only if previously enabledGuenter Roeck
On shutdown, ehci_power_off() is called unconditionally to power off each port, even if it was never called to power on the port. For chipidea, this results in a call to ehci_ci_portpower() with a request to power off ports even if the port was never powered on. This results in the following warning from the regulator code. WARNING: CPU: 0 PID: 182 at drivers/regulator/core.c:2596 _regulator_disable+0x1a8/0x210 unbalanced disables for usb_otg2_vbus Modules linked in: CPU: 0 PID: 182 Comm: init Not tainted 5.4.6 #1 Hardware name: Freescale i.MX7 Dual (Device Tree) [<c0313658>] (unwind_backtrace) from [<c030d698>] (show_stack+0x10/0x14) [<c030d698>] (show_stack) from [<c1133afc>] (dump_stack+0xe0/0x10c) [<c1133afc>] (dump_stack) from [<c0349098>] (__warn+0xf4/0x10c) [<c0349098>] (__warn) from [<c0349128>] (warn_slowpath_fmt+0x78/0xbc) [<c0349128>] (warn_slowpath_fmt) from [<c09f36ac>] (_regulator_disable+0x1a8/0x210) [<c09f36ac>] (_regulator_disable) from [<c09f374c>] (regulator_disable+0x38/0xe8) [<c09f374c>] (regulator_disable) from [<c0df7bac>] (ehci_ci_portpower+0x38/0xdc) [<c0df7bac>] (ehci_ci_portpower) from [<c0db4fa4>] (ehci_port_power+0x50/0xa4) [<c0db4fa4>] (ehci_port_power) from [<c0db5420>] (ehci_silence_controller+0x5c/0xc4) [<c0db5420>] (ehci_silence_controller) from [<c0db7644>] (ehci_stop+0x3c/0xcc) [<c0db7644>] (ehci_stop) from [<c0d5bdc4>] (usb_remove_hcd+0xe0/0x19c) [<c0d5bdc4>] (usb_remove_hcd) from [<c0df7638>] (host_stop+0x38/0xa8) [<c0df7638>] (host_stop) from [<c0df2f34>] (ci_hdrc_remove+0x44/0xe4) ... Keeping track of the power enable state avoids the warning and traceback. Fixes: c8679a2fb8dec ("usb: chipidea: host: add portpower override") Cc: Michael Grzeschik <m.grzeschik@pengutronix.de> Cc: Peter Chen <peter.chen@freescale.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/20191226155754.25451-1-linux@roeck-us.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: cdns3: should not use the same dev_id for shared interrupt handlerPeter Chen
Both drd and gadget interrupt handler use the struct cdns3 pointer as dev_id, it causes devm_free_irq at cdns3_gadget_exit doesn't free gadget's interrupt handler, it freed drd's handler. So, when the host interrupt occurs, the gadget's interrupt hanlder is still called, and causes below oops. To fix it, we use gadget's private data priv_dev as interrupt dev_id for gadget. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000380 Mem abort info: ESR = 0x96000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000971d79000 [0000000000000380] pgd=0000000971d6f003, pud=0000000971d6e003, pmd=0000000000000000 Internal error: Oops: 96000006 [#1] PREEMPT SMP Modules linked in: mxc_jpeg_encdec crct10dif_ce fsl_imx8_ddr_perf CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-03486-g69f4e7d9c54a-dirty #254 Hardware name: Freescale i.MX8QM MEK (DT) pstate: 00000085 (nzcv daIf -PAN -UAO) pc : cdns3_device_irq_handler+0x1c/0xb8 lr : __handle_irq_event_percpu+0x78/0x2c0 sp : ffff800010003e30 x29: ffff800010003e30 x28: ffff8000129bb000 x27: ffff8000126e9000 x26: ffff0008f61b5600 x25: ffff800011fe1018 x24: ffff8000126ea120 x23: ffff800010003f04 x22: 0000000000000000 x21: 0000000000000093 x20: ffff0008f61b5600 x19: ffff0008f5061a80 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 003d090000000000 x13: 00003d0900000000 x12: 0000000000000000 x11: 00003d0900000000 x10: 0000000000000040 x9 : ffff800012708cb8 x8 : ffff800012708cb0 x7 : ffff0008f7c7a9d0 x6 : 0000000000000000 x5 : ffff0008f7c7a910 x4 : ffff8008ed359000 x3 : ffff800010003f40 x2 : 0000000000000000 x1 : ffff0008f5061a80 x0 : ffff800010161a60 Call trace: cdns3_device_irq_handler+0x1c/0xb8 __handle_irq_event_percpu+0x78/0x2c0 handle_irq_event_percpu+0x40/0x98 handle_irq_event+0x4c/0xd0 handle_fasteoi_irq+0xbc/0x168 generic_handle_irq+0x34/0x50 __handle_domain_irq+0x6c/0xc0 gic_handle_irq+0xd4/0x174 el1_irq+0xb8/0x180 arch_cpu_idle+0x3c/0x230 default_idle_call+0x38/0x40 do_idle+0x20c/0x298 cpu_startup_entry+0x28/0x48 rest_init+0xdc/0xe8 arch_call_rest_init+0x14/0x1c start_kernel+0x48c/0x4b8 Code: aa0103f3 aa1e03e0 d503201f f9409662 (f941c040) ---[ end trace 091dcf4dee011b0e ]--- Kernel panic - not syncing: Fatal exception in interrupt SMP: stopping secondary CPUs Kernel Offset: disabled CPU features: 0x0002,2100600c Memory Limit: none ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver") Cc: <stable@vger.kernel.org> #v5.4 Signed-off-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/1577437804-18146-1-git-send-email-peter.chen@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: dwc3: gadget: Fix request complete checkThinh Nguyen
We can only check for IN direction if the request had completed. For OUT direction, it's perfectly fine that the host can send less than the setup length. Let's return true fall all cases of OUT direction. Fixes: e0c42ce590fe ("usb: dwc3: gadget: simplify IOC handling") Cc: stable@vger.kernel.org Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Link: https://lore.kernel.org/r/ac5a3593a94fdaa3d92e6352356b5f7a01ccdc7c.1576291140.git.thinhn@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: musb: dma: Correct parameter passed to IRQ handlerPaul Cercueil
The IRQ handler was passed a pointer to a struct dma_controller, but the argument was then casted to a pointer to a struct musb_dma_controller. Fixes: 427c4f333474 ("usb: struct device - replace bus_id with dev_name(), dev_set_name()") Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Artur Rojek <contact@artur-rojek.eu> Cc: stable@vger.kernel.org Signed-off-by: Bin Liu <b-liu@ti.com> Link: https://lore.kernel.org/r/20191216161844.772-2-b-liu@ti.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: musb: jz4740: Silence error if code is -EPROBE_DEFERPaul Cercueil
Avoid printing any error message if the error code is -EPROBE_DEFER. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Bin Liu <b-liu@ti.com> Link: https://lore.kernel.org/r/20191216162432.1256-1-b-liu@ti.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30usb: udc: tegra: select USB_ROLE_SWITCHArnd Bergmann
Without this, this new driver fails to link: drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_remove': tegra-xudc.c:(.text+0x19d4): undefined reference to `usb_role_switch_unregister' drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_probe': tegra-xudc.c:(.text+0x2a34): undefined reference to `usb_role_switch_register' drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_usb_role_sw_work': tegra-xudc.c:(.text+0x4b64): undefined reference to `usb_role_switch_get_role' Fixes: 49db427232fe ("usb: gadget: Add UDC driver for tegra XUSB device mode controller") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191216131831.3228566-1-arnd@arndb.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-30USB: core: fix check for duplicate endpointsJohan Hovold
Amend the endpoint-descriptor sanity checks to detect all duplicate endpoint addresses in a configuration. Commit 0a8fd1346254 ("USB: fix problems with duplicate endpoint addresses") added a check for duplicate endpoint addresses within a single alternate setting, but did not look for duplicate addresses in other interfaces. The current check would also not detect all duplicate addresses when one endpoint is as a (bi-directional) control endpoint. This specifically avoids overwriting the endpoint entries in struct usb_device when enabling a duplicate endpoint, something which could potentially lead to crashes or leaks, for example, when endpoints are later disabled. Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20191219161016.6695-1-johan@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-23Merge 5.5-rc3 into usb-nextGreg Kroah-Hartman
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-20USB: serial: option: add ZLP support for 0x1bc7/0x9010Daniele Palmas
Telit FN980 flashing device 0x1bc7/0x9010 requires zero packet to be sent if out data size is is equal to the endpoint max size. Signed-off-by: Daniele Palmas <dnlplm@gmail.com> [ johan: switch operands in conditional ] Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org>
2019-12-18usb: xhci: Fix build warning seen with CONFIG_PM=nGuenter Roeck
The following build warning is seen if CONFIG_PM is disabled. drivers/usb/host/xhci-pci.c:498:13: warning: unused function 'xhci_pci_shutdown' Fixes: f2c710f7dca8 ("usb: xhci: only set D3hot for pci device") Cc: Henry Lin <henryl@nvidia.com> Cc: stable@vger.kernel.org # all stable releases with f2c710f7dca8 Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191218011911.6907-1-linux@roeck-us.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17usbip: Fix error path of vhci_recv_ret_submit()Suwan Kim
If a transaction error happens in vhci_recv_ret_submit(), event handler closes connection and changes port status to kick hub_event. Then hub tries to flush the endpoint URBs, but that causes infinite loop between usb_hub_flush_endpoint() and vhci_urb_dequeue() because "vhci_priv" in vhci_urb_dequeue() was already released by vhci_recv_ret_submit() before a transmission error occurred. Thus, vhci_urb_dequeue() terminates early and usb_hub_flush_endpoint() continuously calls vhci_urb_dequeue(). The root cause of this issue is that vhci_recv_ret_submit() terminates early without giving back URB when transaction error occurs in vhci_recv_ret_submit(). That causes the error URB to still be linked at endpoint list without “vhci_priv". So, in the case of transaction error in vhci_recv_ret_submit(), unlink URB from the endpoint, insert proper error code in urb->status and give back URB. Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Signed-off-by: Suwan Kim <suwan.kim027@gmail.com> Cc: stable <stable@vger.kernel.org> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/r/20191213023055.19933-3-suwan.kim027@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17usbip: Fix receive error in vhci-hcd when using scatter-gatherSuwan Kim
When vhci uses SG and receives data whose size is smaller than SG buffer size, it tries to receive more data even if it acutally receives all the data from the server. If then, it erroneously adds error event and triggers connection shutdown. vhci-hcd should check if it received all the data even if there are more SG entries left. So, check if it receivces all the data from the server in for_each_sg() loop. Fixes: ea44d190764b ("usbip: Implement SG support to vhci-hcd and stub driver") Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Tested-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Signed-off-by: Suwan Kim <suwan.kim027@gmail.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20191213023055.19933-2-suwan.kim027@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17usb: gadget: move choice ... endchoice to legacy/KconfigMasahiro Yamada
drivers/usb/gadget/Kconfig includes drivers/usb/gadget/legacy/Kconfig inside the 'choice' block. The current Kconfig allows this, but I'd like to discourage this usage. People tend to mess up the structure without noticing that entire drivers/usb/gadget/legacy/Kconfig is placed in the choice context. In fact, legacy/Kconfig mixes up bool and tristate in the choice, and creates nested choice, etc. This commit does not change the behavior, but it will help people notice how badly this Kconfig file is written. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20191211073857.16780-1-masahiroy@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17usb: gadget: u_audio: Drop superfluous ioctl PCM opsTakashi Iwai
PCM core deals the empty ioctl field now as default. Let's kill the redundant lines. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20191210141822.18705-3-tiwai@suse.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17usb: gadget: u_audio: Use managed buffer allocationTakashi Iwai
Clean up the driver with the new managed buffer allocation API. The hw_params and hw_free callbacks became superfluous and dropped. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20191210141822.18705-2-tiwai@suse.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17USB: EHCI: Do not return -EPIPE when hub is disconnectedErkka Talvitie
When disconnecting a USB hub that has some child device(s) connected to it (such as a USB mouse), then the stack tries to clear halt and reset device(s) which are _already_ physically disconnected. The issue has been reproduced with: CPU: IMX6D5EYM10AD or MCIMX6D5EYM10AE. SW: U-Boot 2019.07 and kernel 4.19.40. CPU: HP Proliant Microserver Gen8. SW: Linux version 4.2.3-300.fc23.x86_64 In this situation there will be error bit for MMF active yet the CERR equals EHCI_TUNE_CERR + halt. Existing implementation interprets this as a stall [1] (chapter 8.4.5). The possible conditions when the MMF will be active + halt can be found from [2] (Table 4-13). Fix for the issue is to check whether MMF is active and PID Code is IN before checking for the stall. If these conditions are true then it is not a stall. What happens after the fix is that when disconnecting a hub with attached device(s) the situation is not interpret as a stall. [1] [https://www.usb.org/document-library/usb-20-specification, usb_20.pdf] [2] [https://www.intel.com/content/dam/www/public/us/en/documents/ technical-specifications/ehci-specification-for-usb.pdf] Signed-off-by: Erkka Talvitie <erkka.talvitie@vincit.fi> Reviewed-by: Alan Stern <stern@rowland.harvard.edu> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/ef70941d5f349767f19c0ed26b0dd9eed8ad81bb.1576050523.git.erkka.talvitie@vincit.fi Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-17usb: typec: fusb302: Fix an undefined reference to 'extcon_get_state'zhong jiang
Fixes the following compile error: drivers/usb/typec/tcpm/fusb302.o: In function `tcpm_get_current_limit': fusb302.c:(.text+0x3ee): undefined reference to `extcon_get_state' fusb302.c:(.text+0x422): undefined reference to `extcon_get_state' fusb302.c:(.text+0x450): undefined reference to `extcon_get_state' fusb302.c:(.text+0x48c): undefined reference to `extcon_get_state' drivers/usb/typec/tcpm/fusb302.o: In function `fusb302_probe': fusb302.c:(.text+0x980): undefined reference to `extcon_get_extcon_dev' make: *** [vmlinux] Error 1 It is because EXTCON is build as a module, but FUSB302 is not. Suggested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: zhong jiang <zhongjiang@huawei.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/1576239378-50795-1-git-send-email-zhongjiang@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-16USB: serial: option: add Telit ME910G1 0x110a compositionDaniele Palmas
This patch adds the following Telit ME910G1 composition: 0x110a: tty, tty, tty, rmnet Signed-off-by: Daniele Palmas <dnlplm@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org>
2019-12-16Merge 5.5-rc2 into usb-nextGreg Kroah-Hartman
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-14Merge tag 'usb-5.5-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small USB driver fixes for reported issues for 5.5-rc2 There's the usual gadget and xhci fixes, as well as some other problems that syzbot has been finding during it's fuzzing runs. Full details are in the shortlog. All of these have been in linux-next with no reported issues" * tag 'usb-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits) usb: dwc3: pci: add ID for the Intel Comet Lake -H variant xhci: make sure interrupts are restored to correct state xhci: handle some XHCI_TRUST_TX_LENGTH quirks cases as default behaviour. xhci: Increase STS_HALT timeout in xhci_suspend() usb: xhci: only set D3hot for pci device xhci: fix USB3 device initiated resume race with roothub autosuspend xhci: Fix memory leak in xhci_add_in_port() USB: Fix incorrect DMA allocations for local memory pool drivers usb: gadget: fix wrong endpoint desc usb: dwc3: ep0: Clear started flag on completion usb: dwc3: gadget: Clear started flag for non-IOC usb: dwc3: gadget: Fix logical condition USB: atm: ueagle-atm: add missing endpoint check USB: adutux: fix interface sanity check USB: idmouse: fix interface sanity checks USB: serial: io_edgeport: fix epic endpoint lookup usb: mon: Fix a deadlock in usbmon between mmap and read usb: common: usb-conn-gpio: Don't log an error on probe deferral usb: core: urb: fix URB structure initialization function usb: typec: fix use after free in typec_register_port() ...
2019-12-12usb: dwc3: pci: add ID for the Intel Comet Lake -H variantHeikki Krogerus
The original ID that was added for Comet Lake PCH was actually for the -LP (low power) variant even though the constant for it said CMLH. Changing that while at it. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Felipe Balbi <balbi@kernel.org> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20191212093713.60614-1-heikki.krogerus@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-11xhci: make sure interrupts are restored to correct stateMathias Nyman
spin_unlock_irqrestore() might be called with stale flags after reading port status, possibly restoring interrupts to a incorrect state. If a usb2 port just finished resuming while the port status is read the spin lock will be temporary released and re-acquired in a separate function. The flags parameter is passed as value instead of a pointer, not updating flags properly before the final spin_unlock_irqrestore() is called. Cc: <stable@vger.kernel.org> # v3.12+ Fixes: 8b3d45705e54 ("usb: Fix xHCI host issues on remote wakeup.") Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191211142007.8847-7-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-11xhci: handle some XHCI_TRUST_TX_LENGTH quirks cases as default behaviour.Mathias Nyman
xhci driver claims it needs XHCI_TRUST_TX_LENGTH quirk for both Broadcom/Cavium and a Renesas xHC controllers. The quirk was inteded for handling false "success" complete event for transfers that had data left untransferred. These transfers should complete with "short packet" events instead. In these two new cases the false "success" completion is reported after a "short packet" if the TD consists of several TRBs. xHCI specs 4.10.1.1.2 say remaining TRBs should report "short packet" as well after the first short packet in a TD, but this issue seems so common it doesn't make sense to add the quirk for all vendors. Turn these events into short packets automatically instead. This gets rid of the "The WARN Successful completion on short TX for slot 1 ep 1: needs XHCI_TRUST_TX_LENGTH quirk" warning in many cases. Cc: <stable@vger.kernel.org> Reported-by: Eli Billauer <eli.billauer@gmail.com> Reported-by: Ard Biesheuvel <ardb@kernel.org> Tested-by: Eli Billauer <eli.billauer@gmail.com> Tested-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191211142007.8847-6-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-11xhci: Increase STS_HALT timeout in xhci_suspend()Kai-Heng Feng
I've recently observed failed xHCI suspend attempt on AMD Raven Ridge system: kernel: xhci_hcd 0000:04:00.4: WARN: xHC CMD_RUN timeout kernel: PM: suspend_common(): xhci_pci_suspend+0x0/0xd0 returns -110 kernel: PM: pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -110 kernel: PM: dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -110 kernel: PM: Device 0000:04:00.4 failed to suspend async: error -110 Similar to commit ac343366846a ("xhci: Increase STS_SAVE timeout in xhci_suspend()") we also need to increase the HALT timeout to make it be able to suspend again. Cc: <stable@vger.kernel.org> # 5.2+ Fixes: f7fac17ca925 ("xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()") Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191211142007.8847-5-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-11usb: xhci: only set D3hot for pci deviceHenry Lin
Xhci driver cannot call pci_set_power_state() on non-pci xhci host controllers. For example, NVIDIA Tegra XHCI host controller which acts as platform device with XHCI_SPURIOUS_WAKEUP quirk set in some platform hits this issue during shutdown. Cc: <stable@vger.kernel.org> Fixes: 638298dc66ea ("xhci: Fix spurious wakeups after S5 on Haswell") Signed-off-by: Henry Lin <henryl@nvidia.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191211142007.8847-4-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-11xhci: fix USB3 device initiated resume race with roothub autosuspendMathias Nyman
A race in xhci USB3 remote wake handling may force device back to suspend after it initiated resume siganaling, causing a missed resume event or warm reset of device. When a USB3 link completes resume signaling and goes to enabled (UO) state a interrupt is issued and the interrupt handler will clear the bus_state->port_remote_wakeup resume flag, allowing bus suspend. If the USB3 roothub thread just finished reading port status before the interrupt, finding ports still in suspended (U3) state, but hasn't yet started suspending the hub, then the xhci interrupt handler will clear the flag that prevented roothub suspend and allow bus to suspend, forcing all port links back to suspended (U3) state. Example case: usb_runtime_suspend() # because all ports still show suspended U3 usb_suspend_both() hub_suspend(); # successful as hub->wakeup_bits not set yet ==> INTERRUPT xhci_irq() handle_port_status() clear bus_state->port_remote_wakeup usb_wakeup_notification() sets hub->wakeup_bits; kick_hub_wq() <== END INTERRUPT hcd_bus_suspend() xhci_bus_suspend() # success as port_remote_wakeup bits cleared Fix this by increasing roothub usage count during port resume to prevent roothub autosuspend, and by making sure bus_state->port_remote_wakeup flag is only cleared after resume completion is visible, i.e. after xhci roothub returned U0 or other non-U3 link state link on a get port status request. Issue rootcaused by Chiasheng Lee Cc: <stable@vger.kernel.org> Cc: Lee, Hou-hsun <hou-hsun.lee@intel.com> Reported-by: Lee, Chiasheng <chiasheng.lee@intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191211142007.8847-3-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-11xhci: Fix memory leak in xhci_add_in_port()Mika Westerberg
When xHCI is part of Alpine or Titan Ridge Thunderbolt controller and the xHCI device is hot-removed as a result of unplugging a dock for example, the driver leaks memory it allocates for xhci->usb3_rhub.psi and xhci->usb2_rhub.psi in xhci_add_in_port() as reported by kmemleak: unreferenced object 0xffff922c24ef42f0 (size 16): comm "kworker/u16:2", pid 178, jiffies 4294711640 (age 956.620s) hex dump (first 16 bytes): 21 00 0c 00 12 00 dc 05 23 00 e0 01 00 00 00 00 !.......#....... backtrace: [<000000007ac80914>] xhci_mem_init+0xcf8/0xeb7 [<0000000001b6d775>] xhci_init+0x7c/0x160 [<00000000db443fe3>] xhci_gen_setup+0x214/0x340 [<00000000fdffd320>] xhci_pci_setup+0x48/0x110 [<00000000541e1e03>] usb_add_hcd.cold+0x265/0x747 [<00000000ca47a56b>] usb_hcd_pci_probe+0x219/0x3b4 [<0000000021043861>] xhci_pci_probe+0x24/0x1c0 [<00000000b9231f25>] local_pci_probe+0x3d/0x70 [<000000006385c9d7>] pci_device_probe+0xd0/0x150 [<0000000070241068>] really_probe+0xf5/0x3c0 [<0000000061f35c0a>] driver_probe_device+0x58/0x100 [<000000009da11198>] bus_for_each_drv+0x79/0xc0 [<000000009ce45f69>] __device_attach+0xda/0x160 [<00000000df201aaf>] pci_bus_add_device+0x46/0x70 [<0000000088a1bc48>] pci_bus_add_devices+0x27/0x60 [<00000000ad9ee708>] pci_bus_add_devices+0x52/0x60 unreferenced object 0xffff922c24ef3318 (size 8): comm "kworker/u16:2", pid 178, jiffies 4294711640 (age 956.620s) hex dump (first 8 bytes): 34 01 05 00 35 41 0a 00 4...5A.. backtrace: [<000000007ac80914>] xhci_mem_init+0xcf8/0xeb7 [<0000000001b6d775>] xhci_init+0x7c/0x160 [<00000000db443fe3>] xhci_gen_setup+0x214/0x340 [<00000000fdffd320>] xhci_pci_setup+0x48/0x110 [<00000000541e1e03>] usb_add_hcd.cold+0x265/0x747 [<00000000ca47a56b>] usb_hcd_pci_probe+0x219/0x3b4 [<0000000021043861>] xhci_pci_probe+0x24/0x1c0 [<00000000b9231f25>] local_pci_probe+0x3d/0x70 [<000000006385c9d7>] pci_device_probe+0xd0/0x150 [<0000000070241068>] really_probe+0xf5/0x3c0 [<0000000061f35c0a>] driver_probe_device+0x58/0x100 [<000000009da11198>] bus_for_each_drv+0x79/0xc0 [<000000009ce45f69>] __device_attach+0xda/0x160 [<00000000df201aaf>] pci_bus_add_device+0x46/0x70 [<0000000088a1bc48>] pci_bus_add_devices+0x27/0x60 [<00000000ad9ee708>] pci_bus_add_devices+0x52/0x60 Fix this by calling kfree() for the both psi objects in xhci_mem_cleanup(). Cc: <stable@vger.kernel.org> # 4.4+ Fixes: 47189098f8be ("xhci: parse xhci protocol speed ID list for usb 3.1 usage") Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191211142007.8847-2-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-11Merge tag 'fixes-for-v5.5-rc2' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus Felipe writes: USB: fixes for v5.5-rc2 Only four patches here this time around. Three of them are on dwc3 fixing some small bugs related to our 'started' flag. None are major fixes but they're important nevertheless. * tag 'fixes-for-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: usb: gadget: fix wrong endpoint desc usb: dwc3: ep0: Clear started flag on completion usb: dwc3: gadget: Clear started flag for non-IOC usb: dwc3: gadget: Fix logical condition
2019-12-11USB: Fix incorrect DMA allocations for local memory pool driversFredrik Noring
Fix commit 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities") where local memory USB drivers erroneously allocate DMA memory instead of pool memory, causing OHCI Unrecoverable Error, disabled HC died; cleaning up The order between hcd_uses_dma() and hcd->localmem_pool is now arranged as in hcd_buffer_alloc() and hcd_buffer_free(), with the test for hcd->localmem_pool placed first. As an alternative, one might consider adjusting hcd_uses_dma() with static inline bool hcd_uses_dma(struct usb_hcd *hcd) { - return IS_ENABLED(CONFIG_HAS_DMA) && (hcd->driver->flags & HCD_DMA); + return IS_ENABLED(CONFIG_HAS_DMA) && + (hcd->driver->flags & HCD_DMA) && + (hcd->localmem_pool == NULL); } One can also consider unsetting HCD_DMA for local memory pool drivers. Fixes: 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities") Cc: stable <stable@vger.kernel.org> Signed-off-by: Fredrik Noring <noring@nocrew.org> Link: https://lore.kernel.org/r/20191210172905.GA52526@sx9 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-10usb: gadget: fix wrong endpoint descEJ Hsu
Gadget driver should always use config_ep_by_speed() to initialize usb_ep struct according to usb device's operating speed. Otherwise, usb_ep struct may be wrong if usb devcie's operating speed is changed. The key point in this patch is that we want to make sure the desc pointer in usb_ep struct will be set to NULL when gadget is disconnected. This will force it to call config_ep_by_speed() to correctly initialize usb_ep struct based on the new operating speed when gadget is re-connected later. Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: EJ Hsu <ejh@nvidia.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2019-12-10usb: dwc3: ep0: Clear started flag on completionThinh Nguyen
Clear ep0's DWC3_EP_TRANSFER_STARTED flag if the END_TRANSFER command is completed. Otherwise, we can't start control transfer again after END_TRANSFER. Cc: stable@vger.kernel.org Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
2019-12-10usb: dwc3: gadget: Clear started flag for non-IOCThinh Nguyen
Normally the END_TRANSFER command completion handler will clear the DWC3_EP_TRANSFER_STARTED flag. However, if the command was sent without interrupt on completion, then the flag will not be cleared. Make sure to clear the flag in this case. Cc: stable@vger.kernel.org Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
generated by cgit (git 2.34.1) at 2025-09-12 00:57:45 +0000