Re: [PATCH v2 09/29] usb: usbtmc: Add ioctl for vendor specific write

2018-07-21 Thread Greg KH
On Wed, Jul 18, 2018 at 10:45:42AM +0200, Guido Kiener wrote: > The new ioctl USBTMC_IOCTL_WRITE sends a generic message to bulk OUT. > This ioctl is used for vendor specific or asynchronous I/O as well. > > The message is split into chunks of 4k (page size). > Message size is aligned to 32 bit

[PATCH v2 09/29] usb: usbtmc: Add ioctl for vendor specific write

2018-07-18 Thread Guido Kiener
The new ioctl USBTMC_IOCTL_WRITE sends a generic message to bulk OUT. This ioctl is used for vendor specific or asynchronous I/O as well. The message is split into chunks of 4k (page size). Message size is aligned to 32 bit boundaries. With flag USBTMC_FLAG_ASYNC the ioctl is non blocking. With