tree bb0c93422b4463de3199665dcc1a3953ce0147ab
parent 204ec1af6257a52fb80f43317f949b345040f9d1
author Lu Baolu <baolu.lu@linux.intel.com> 1511844388 +0800
committer Felipe Balbi <felipe.balbi@linux.intel.com> 1512988610 +0200

usb: gadget: u_serial: Use kfifo instead of homemade circular buffer

The kernel FIFO implementation, kfifo, provides interfaces to manipulate
a first-in-first-out circular buffer.  Use kfifo instead of the homemade
one to make the code more concise and readable.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>