USB 3.0 SDR / Ettus Research B200/210

2013-11-04 Thread Moritz Fischer
Hi guys, This is my first post to this list, so let me quickly introduce myself. I'm a software engineer for Ettus Research (National Instruments). One of our new products [1] is a USB 3.0 (using Cypress FX3) based SDR that currently ships with a libusb based open source driver integrated in our

Re: USB 3.0 SDR / Ettus Research B200/210

2013-11-04 Thread Moritz Fischer
On Mon, Nov 4, 2013 at 2:21 PM, Greg KH wrote: > Where specifically in the kernel? Busywaiting for data transferrs to > complete, or doing something else? Are you keeping the pipeline full to > the device? You should be able to hit USB "line speed" from userspace > if you just are reading/writ

Re: USB 3.0 SDR / Ettus Research B200/210

2013-11-04 Thread Moritz Fischer
On Mon, Nov 4, 2013 at 4:27 PM, Alan Stern wrote: > A patch was proposed in the last couple of months to reduce kernel > overhead for transfers using libusb: > > http://marc.info/?l=linux-usb&m=138046339714340&w=2 > > The patch would need to be finished and all the relevant comments > add

[RFC net-next] net: fixed_phy: Move the DT based link GPIO parsing to of_mdio.c

2019-02-06 Thread Moritz Fischer
Move the DT based link GPIO parsing to of_mdio and let the places that register a fixed_phy pass in a GPIO descriptor or NULL. This allows fixed_phy on non-DT platforms to have link GPIOs, too. Signed-off-by: Moritz Fischer --- drivers/net/dsa/dsa_loop.c | 2 +- drivers/net

Re: [RFC net-next] net: fixed_phy: Move the DT based link GPIO parsing to of_mdio.c

2019-02-06 Thread Moritz Fischer
Hi Andrew, thanks for your feedback. On Wed, Feb 06, 2019 at 10:53:22PM +0100, Andrew Lunn wrote: > On Wed, Feb 06, 2019 at 12:51:06PM -0800, Moritz Fischer wrote: > > Move the DT based link GPIO parsing to of_mdio and let the places > > that register a fixed_phy pass in a GPI