[06/10,V2] spi: Add SPI driver for mx233/mx28

On Tue, Jul 31, 2012 at 11:56:50PM -0700, Guenter Roeck wrote:

Guess we are in violent agreement. The sequence would then either be
	master = spi_alloc_device();

The discussion is around spi_alloc_master rather than spi_alloc_device,
isn't it?

Regards,
Shawn

	...
	spi_master_put(master);
or
	master = spi_alloc_device();
	...
	kfree(master);

which makes sense to me. Question still is why most drivers neither call kfree()
nor spi_master_put() in the remove function.