usb: gadget: u_serial: Use kfifo instead of homemade circular buffer
authorLu Baolu <baolu.lu@linux.intel.com>
Tue, 28 Nov 2017 04:46:28 +0000 (12:46 +0800)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Mon, 11 Dec 2017 10:36:50 +0000 (12:36 +0200)
commita622ee9972aa42d4dbce3c62df8b19b2ba23d5c1
treebb0c93422b4463de3199665dcc1a3953ce0147ab
parent204ec1af6257a52fb80f43317f949b345040f9d1
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>
drivers/usb/gadget/function/u_serial.c