A better way to sequence driver initialization?

[Bill Gatliff]

Grant Likely wrote:
> On Sat, Apr 10, 2010 at 5:39 PM, Paul Mundt <lethal at linux-sh.org> wrote:
>   
>> In cases where you can specifically note that dependencies, doing so will
>> save you a world of pain. Despite that, it's simply not possible to do
>> this as a free-for-all. Devices or busses that can tolerate multi-threaded
>> probing need to be converted over one at a time, but even then you still
>> need the dependency tracking for those that depend on link order today.
>>     

Who's to say a function like gpio_request_wait_for_it(GPIO_NUMBER,
"dependent-driver") isn't the way to do the dependency tracking?  I
can't even implement that without a context that can sleep...

b.g.

-- 
Bill Gatliff
bgat at billgatliff.com