Re: net2280: tracing

2014-12-27 Thread Jorge Ramirez-Ortiz
On 12/27/2014 05:33 PM, Jorge Ramirez-Ortiz wrote: > Hi Ricardo/all > > I finally got around to capture a trace of a SS bulk transfer using the > net2280. > The trace is available to anyone interested (70 MB file for the Beaglebone > 5000). > > We dont seem to be able to achieve transfer speeds a

net2280: tracing

2014-12-27 Thread Jorge Ramirez-Ortiz
Hi Ricardo/all I finally got around to capture a trace of a SS bulk transfer using the net2280. The trace is available to anyone interested (70 MB file for the Beaglebone 5000). We dont seem to be able to achieve transfer speeds above the 1 Gbps is because consistently every 580usecs, 60usecs ar

Re: qcserial: AT unsolicited response codes missing with Sierra Wireless MC7304

2014-12-27 Thread Reinhard Speyerer
Reinhard Speyerer wrote: > Johan Hovold wrote: > > > On Sun, Dec 21, 2014 at 11:25:45PM +0100, Reinhard Speyerer wrote: > > > > > When using a MC7304 with firmware revision SWI9X15C_05.05.16.02 on > > > Knoppix 7.4.2 with Linux kernel 3.16.3 and the qcserial driver I noticed > > > that AT unsoli

Re: [PATCH 2/4] usb: dwc3: gadget: Stop TRB preparation after limit is reached

2014-12-27 Thread Felipe Balbi
Hi, On Sat, Dec 27, 2014 at 01:24:03PM +0530, Amit Virdi wrote: > On Mon, Dec 22, 2014 at 9:36 PM, Felipe Balbi wrote: > > On Fri, Dec 19, 2014 at 12:40:16PM +0530, Amit Virdi wrote: > >> When SG is used, there are two loops iterating to prepare TRBs: > >> - Outer loop over the request_list > >>

Re: [PATCH 1/4] usb: dwc3: gadget: Fix TRB preparation during SG

2014-12-27 Thread Felipe Balbi
Hi, On Sat, Dec 27, 2014 at 12:39:23PM +0530, Amit Virdi wrote: > On Mon, Dec 22, 2014 at 9:34 PM, Felipe Balbi wrote: > > On Fri, Dec 19, 2014 at 12:40:15PM +0530, Amit Virdi wrote: > >> When scatter gather is used, multiple TRBs are prepared from one DWC3 > >> request. > >> Hence, we must set

Re: Issues with commit 34b48db6 ("block: remove artifical max_hw_sectors cap")

2014-12-27 Thread Christoph Hellwig
On Tue, Dec 23, 2014 at 11:48:40PM -0800, Kenneth R. Crudup wrote: > > Looks like we need to quirk it. Can you try to echo different limits > > to the /sys/block/sdc/queue/max_hw_sectors_kb file for the device to > > find the limit for it? > > Looks like it's 32767; making it an even 32K sectors

Re: Query regarding root hub reset

2014-12-27 Thread Alan Stern
On Sat, 27 Dec 2014, Deepak Das wrote: > Kool, that was my argument with my client. We added a policy to > tell kernel that user wants to turn off the port . I already modified the > port > power policy mechanism by adding following check :- > --- a/drivers/usb/core/hub.c > +++ b/drivers/usb/cor