Re: [PATCH 09/12] usb: usbtmc: Fix ioctl USBTMC_IOCTL_CLEAR

2018-05-23 Thread Oliver Neukum
Am Donnerstag, den 17.05.2018, 19:03 +0200 schrieb Guido Kiener: > Insert a sleep of 50 ms between subsequent CHECK_CLEAR_STATUS > control requests to avoid stressing the instrument with repeated > requests. > > Some instruments need time to cleanup internal I/O buffers. > Polling and repeated req

[PATCH 09/12] usb: usbtmc: Fix ioctl USBTMC_IOCTL_CLEAR

2018-05-17 Thread Guido Kiener
Insert a sleep of 50 ms between subsequent CHECK_CLEAR_STATUS control requests to avoid stressing the instrument with repeated requests. Some instruments need time to cleanup internal I/O buffers. Polling and repeated requests slow down the response time of devices. Signed-off-by: Guido Kiener R