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* kfifo: change kfifo_init to work with a preallocated fifoSascha Hauer2012-01-261-1/+1
| | | | | | | | kfifo currently only works with dynamically allocated fifos. Change the currently unused kfifo_init to take a preallocated fifo. This allows for statically initialized fifos. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* kfifo: kfifo_put takes a const bufferSascha Hauer2011-04-121-1/+1
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* add kernel kfifo implementationSascha Hauer2007-09-211-0/+83