Regression in net2280 locking

Hello, I use a 'USB controller: PLX Technology, Inc. Device 3380 (rev ab)' for a custom usb gadget. With a more recent kernel (4.12+) the cpu hangs and the gadget device is not functioning at all. I used git-bisect and a basic test gadget from the kernel tree (tools/usb/ffs-aio-example/simple

[PATCH] usb/dwc3: Fix spelling of 'optimizations'

'optimizations' was misspelled as 'optmization'. Fixed it. It is a coding style change which should have no impact on runtime execution of code. Signed-off-by: Faisal Mehmood --- drivers/usb/dwc3/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b

Strange bug with Prodipe MIDI 49C USB

Hello, I just bought a midi keyboard Prodipe MIDI 49C USB for use within linux Rosegarden and LMMS. When I plug it in, nothing happen, no keyboard appears in software or in lsusb. Changing USB cable did nothing. The keyboard work fine with W7 32b and 64b and with W10 64b with Rosegarden and

Re: [PATCH 6/7] usb: gadget: f_uac2: disable IN/OUT ep if unused

Hello Felipe, On Fri, Jul 27, 2018 at 08:57:29PM +0200, Eugeniu Rosca wrote: > Hi Felipe, > > On Thu, Jul 26, 2018 at 01:51:35PM +0300, Felipe Balbi wrote: > > Eugeniu Rosca writes: > > > > > From: Andreas Pape > > > > > > Via p_chmask/c_chmask the user can define whether uac2 shall support >

Re: Strange bug with Prodipe MIDI 49C USB

On Tue, Aug 07, 2018 at 05:50:21PM +, Maxence Duprès wrote: > > > Hello, > > I just bought a midi keyboard Prodipe MIDI 49C USB for use within linux > Rosegarden and LMMS. > When I plug it in, nothing happen, no keyboard appears in software or in > lsusb. Changing USB cable did nothing. >

Should usb_gadget_disconnect() call driver's ->disconnect?

Felipe: The documentation doesn't state whether a gadget driver's ->disconnect() callback will be invoked when usb_gadget_disconnect() runs. Probably the UDC drivers' behavior has changed over the years. In any case, it's likely that various UDC drivers do behave differently. My current feeli

Re: Regression in net2280 locking

On Tue, 7 Aug 2018, D. Ziesche wrote: > Hello, > > I use a 'USB controller: PLX Technology, Inc. Device 3380 (rev ab)' for > a custom usb gadget. > With a more recent kernel (4.12+) the cpu hangs and the gadget device is > not functioning at all. > > I used git-bisect and a basic test gadget f

Re: Strange bug with Prodipe MIDI 49C USB

This is a proposed patch for KS49. The original patch for KS25: https://lore.kernel.org/patchwork/patch/753077/ About the authorship, I don't know what it is. My real  name is Roux Laurent. diff -Naur 1/drivers/usb/core/quirks.c 2/drivers/usb/core/quirks.c --- 1/drivers/usb/core/quirks.c    20