On Thu, 27 Aug 2009 00:22:45 +1000 Michael Ellerman [off-list ref] wrote:

quoted

struct device_info_t {
	void (*read)();
	void (*write)();

These are not prototypes because there is no parameter list (use "void" for empty).

quoted

};

static int __devinit device_probe()

This isn't a prototype either.

quoted

cc1: warnings being treated as errors
drivers/dev_test.c:37: warning: function declaration isn't a prototype
drivers/dev_test.c:38: warning: function declaration isn't a prototype
drivers/dev_test.c: In function 'device_probe':
drivers/dev_test.c:113: warning: assignment from incompatible pointer
type

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/