Re: [PATCH v6 1/2] media: usb: pwc: Introduce TRACE_EVENTs for pwc_isoc_handler()

2018-11-09 Thread Steven Rostedt
On Fri, 9 Nov 2018 22:03:26 +0300 "Matwey V. Kornilov" wrote: > There were reports that PWC-based webcams don't work at some > embedded ARM platforms. [1] Isochronous transfer handler seems to > work too long leading to the issues in MUSB USB host subsystem. > Also note, that urb->giveback() han

[PATCH v6 1/2] media: usb: pwc: Introduce TRACE_EVENTs for pwc_isoc_handler()

2018-11-09 Thread Matwey V. Kornilov
There were reports that PWC-based webcams don't work at some embedded ARM platforms. [1] Isochronous transfer handler seems to work too long leading to the issues in MUSB USB host subsystem. Also note, that urb->giveback() handlers are still called with disabled interrupts. In order to be able to m