linux-kernel - Re: [PATCHv5] dmaengine: Add support for BCM2835

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Date:	Sat, 16 Nov 2013 11:39:43 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	"Shevchenko, Andriy" <andriy.shevchenko@...el.com>,
	Florian Meier <florian.meier@...lo.de>,
	"Koul, Vinod" <vinod.koul@...el.com>,
	"Williams, Dan J" <dan.j.williams@...el.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	dmaengine <dmaengine@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCHv5] dmaengine: Add support for BCM2835

> On Fri, Nov 15, 2013 at 7:51 PM, Russell King - ARM Linux <linux@....linux.org.uk> wrote:
>>
>> On Fri, Nov 15, 2013 at 05:43:45PM +0000, Shevchenko, Andriy wrote:
>>
>> > > +module_platform_driver(bcm2835_dma_driver);
>> >
>> > Is it possible to get driver initialized after that one that uses it?
>>
>> Doesn't quite make sense.  If you're asking whether other drivers can
>> try to make use of this driver before it's initialised, then the answer
>> is no.  We have mechanisms to cope with that - see deferred probing.

The reason why I was asking about I'm just wondering what we have to
do with existing drivers. Shall we convert them to be initialized as
normal platform drivers instead of subsys_initcall?

-- 
With Best Regards,
Andy Shevchenko
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