Re: [RESEND PATCH v2] char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)

2021-02-01 Thread Greg KH
On Mon, Feb 01, 2021 at 05:56:19PM +0200, eli.billa...@gmail.com wrote: > From: Eli Billauer > > The XillyUSB driver is the USB variant for the Xillybus FPGA IP core. > Even though it presents a nearly identical API on the FPGA and host, > it's almost a complete rewrite of the driver: The framewo

Re: [PATCH v2] char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)

2021-02-01 Thread Greg KH
On Mon, Feb 01, 2021 at 05:56:38PM +0200, Eli Billauer wrote: > Hello, Greg. > > On 01/02/21 16:25, Greg KH wrote: > > As this has nothing to do with the existing XillyBus code, and you > > aren't doing anything "fancy" with the character device nodes, why does > > this need to be a kernel driver

Re: [PATCH v2] char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)

2021-02-01 Thread Eli Billauer
Hello, Greg. On 01/02/21 16:25, Greg KH wrote: As this has nothing to do with the existing XillyBus code, and you aren't doing anything "fancy" with the character device nodes, why does this need to be a kernel driver at all? Why can't you just use libusb and talk to the device directly from us

[RESEND PATCH v2] char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)

2021-02-01 Thread eli . billauer
From: Eli Billauer The XillyUSB driver is the USB variant for the Xillybus FPGA IP core. Even though it presents a nearly identical API on the FPGA and host, it's almost a complete rewrite of the driver: The framework for exchanging data on a USB bus is fundamentally different from doing the same

Re: [PATCH v2] char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)

2021-02-01 Thread Greg KH
On Mon, Feb 01, 2021 at 04:16:51PM +0200, eli.billa...@gmail.com wrote: > From: Eli Billauer > > The XillyUSB driver is the USB variant for the Xillybus FPGA IP core. > Even though it presents a nearly identical API on the FPGA and host, > it's almost a complete rewrite of the driver: The framewo

[PATCH v2] char: xillybus: Add driver for XillyUSB (Xillybus variant for USB)

2021-02-01 Thread eli . billauer
From: Eli Billauer The XillyUSB driver is the USB variant for the Xillybus FPGA IP core. Even though it presents a nearly identical API on the FPGA and host, it's almost a complete rewrite of the driver: The framework for exchanging data on a USB bus is fundamentally different from doing the same