[PATCH v2 1/1] usb:xhci: update condition to select bus->sysdev from parent device

From: "Thang Q. Nguyen" For commit 4c39d4b949d3 ("usb: xhci: use bus->sysdev for DMA configuration"), sysdev points to devices known to the system firmware or hardware for DMA parameters. However, the parent of the system firmware/hardware device checking logic does not work in

[PATCH] usb: phy: phy-generic: propagate clk_get error if clock is required

If the clock handle is given in the DT, it means the clock is required for proper operation of the PHY. In that case a failure to obtain the clock must be propagated to stop the driver from probing. This fixes working with clocks, which request probe deferral. Signed-off-by: Lucas Stach

Re: usb 1-2: 1:1: cannot set freq 44100 to ep 0x81 and potential fix

On Fri, Aug 18, 2017 at 12:40:47PM +, Joakim Tjernlund wrote: > I have two USB head sethead (Logitech Inc Logitech Stereo H650e and > Jabra Jabra UC VOICE 550a) who both causes lots of: > > usb 1-2: 1:1: cannot set freq 44100 to ep 0x81 > > errors when using them pin pidgin audio chats.

RE: [balbi-usb:testing/next 48/49] drivers/usb//gadget/function/u_serial.c:540:19: error: invalid operands to binary & (have 'unsigned int' and 'struct tty_struct *')

Felipe Balbi wrote at Friday, August 18, 2017 3:30 AM: > Hi, > > kbuild test robot writes: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git > > testing/next > > head: 862b43460309779e5814616a68aa36d29a70d6e0 > > commit:

Re: Possible null pointer dereference in adutux.ko

On 15.08.2017 18:58, Oliver Neukum wrote: Am Dienstag, den 15.08.2017, 16:38 +0300 schrieb Anton Volkov: On 15.08.2017 16:20, Oliver Neukum wrote: Am Dienstag, den 15.08.2017, 15:59 +0300 schrieb Anton Volkov: Hello. While searching for races in the Linux kernel I've come across

Re: [PATCH v3 5/5] usb: xhci: Handle USB transaction error on address command

On 16.08.2017 05:15, Lu Baolu wrote: Hi, On 08/15/2017 07:30 PM, Mathias Nyman wrote: On 11.08.2017 05:41, Lu Baolu wrote: Xhci driver handles USB transaction errors on transfer events, but transaction errors are possible on address device command completion events as well. The xHCI

usb 1-2: 1:1: cannot set freq 44100 to ep 0x81 and potential fix

I have two USB head sethead (Logitech Inc Logitech Stereo H650e and Jabra Jabra UC VOICE 550a) who both causes lots of: usb 1-2: 1:1: cannot set freq 44100 to ep 0x81 errors when using them pin pidgin audio chats. I found that adding a small delay here: diff -u sound/usb/clock.c.org

Re: [PATCH v5 1/1] usb:host:xhci support option to disable the xHCI USB2 HW LPM

On 17.08.2017 06:19, Thang Q. Nguyen wrote: On Tue, Aug 8, 2017 at 11:27 AM, Thang Q. Nguyen wrote: XHCI specification 1.1 does not require xHCI-compliant controllers to always enable hardware USB2 LPM. However, the current xHCI driver always enable it when seeing HLC=1. This

Re: [balbi-usb:testing/next 48/49] drivers/usb//gadget/function/u_serial.c:540:19: error: invalid operands to binary & (have 'unsigned int' and 'struct tty_struct *')

Hi, kbuild test robot writes: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git > testing/next > head: 862b43460309779e5814616a68aa36d29a70d6e0 > commit: 2b4e4d3c929db0fc7cf99212bfac0570b6902c14 [48/49] usb: gadget: serial: > fix oops when data

[balbi-usb:testing/next 48/49] drivers/usb//gadget/function/u_serial.c:540:19: error: invalid operands to binary & (have 'unsigned int' and 'struct tty_struct *')

tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next head: 862b43460309779e5814616a68aa36d29a70d6e0 commit: 2b4e4d3c929db0fc7cf99212bfac0570b6902c14 [48/49] usb: gadget: serial: fix oops when data rx'd after close config: xtensa-allmodconfig (attached as .config)

Re: [PATCH] usb: xhci: Renesas uPD720202 needs short TX quirk

Hi, Kai-Heng Feng writes: >>> When plugging Logitech C920 webcam, warning messages filled up dmesg: >>> [77117.655018] xhci_hcd :0c:00.0: WARN Successful completion on short >>> TX: needs XHCI_TRUST_TX_LENGTH quirk? >>> [77117.659018] xhci_hcd :0c:00.0:

Re: [PATCH] usb: xhci: Renesas uPD720202 needs short TX quirk

Hi, On Fri, Aug 18, 2017 at 3:22 PM, Felipe Balbi wrote: > > hi, > > Kai-Heng Feng writes: >> When plugging Logitech C920 webcam, warning messages filled up dmesg: >> [77117.655018] xhci_hcd :0c:00.0: WARN Successful completion on

Re: uvc-gadget for UVC testing doesn't seem to work with vivid

Hi, Rail Shafigulin writes: > Let me apologize for emailing directly to the list as I'm not one of > the developers and just starting out with USB and UVC. After searching the list is open to anybody and we welcome newcomers :-) > online for

Re: [PATCH] usb: xhci: Renesas uPD720202 needs short TX quirk

hi, Kai-Heng Feng writes: > When plugging Logitech C920 webcam, warning messages filled up dmesg: > [77117.655018] xhci_hcd :0c:00.0: WARN Successful completion on short TX: > needs XHCI_TRUST_TX_LENGTH quirk? > [77117.659018] xhci_hcd :0c:00.0: WARN

Re: [PATCH] usb: gadget: f_midi: Use snd_card_free_when_closed with refcount

Hi, On 8/15/2017 2:44 AM, Jerry Zhang wrote: > Currenly, f_midi_free uses snd_card_free, which will wait > until the user has released the sound card before > returning. However, if the user doesn't release the sound > card, then f_midi_free can block for an arbitrary amount > of time, which