Re: [PATCH v6 3/3] usb: gadget: f_midi: pre-allocate IN requests

2015-12-08 Thread Felipe Ferreri Tonello
On 01/12/15 18:31, Felipe F. Tonello wrote: > This patch introduces pre-allocation of IN endpoint USB requests. This > improves on latency (requires no usb request allocation on transmit) and avoid > several potential probles on allocating too many usb requests (which involves > DMA pool allocation

[PATCH v6 3/3] usb: gadget: f_midi: pre-allocate IN requests

2015-12-01 Thread Felipe F. Tonello
This patch introduces pre-allocation of IN endpoint USB requests. This improves on latency (requires no usb request allocation on transmit) and avoid several potential probles on allocating too many usb requests (which involves DMA pool allocation problems). This implementation also handles better