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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Viresh Kumar <viresh.linux@gmail.com>,
	linux-kernel@vger.kernel.org,
	spear-devel <spear-devel@list.st.com>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>
Subject: Re: [PATCHv3 5/7] dmaengine: dw_dmac: add PCI part of the driver
Date: Thu, 27 Sep 2012 12:43:42 +0300	[thread overview]
Message-ID: <1348739022.13371.157.camel@smile> (raw)
In-Reply-To: <1348735450.1648.5.camel@vkoul-udesk3>

On Thu, 2012-09-27 at 14:14 +0530, Vinod Koul wrote: 
> > +static int __devinit dw_pci_probe(struct pci_dev *pdev,
> > +				  const struct pci_device_id *id)
> > +{
> ...
> > +
> > +	pd = platform_device_alloc("dw_dmac", instance);
> Why can't the core driver library be agnostic. Why do we care if the
> device is platform, pci or something else. 
> There is nothing in dma API callbacks which driver implements that
> warrants it to be some device.
> 
> You have already taken care of dma controller accesses be arch
> independent so I don't see a reason why this should be done?
I'm afraid I didn't get you comment.


-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

  reply	other threads:[~2012-09-27  9:43 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-27  7:31 [PATCHv3 0/7] dw_dmac: split the driver and introduce PCI part Andy Shevchenko
2012-09-27  7:31 ` [PATCHv3 1/7] dmaengine: dw_dmac: use helper macro module_platform_driver() Andy Shevchenko
2012-09-27  7:40   ` Felipe Balbi
2012-09-27  8:16     ` viresh kumar
2012-09-27  8:16       ` Felipe Balbi
2012-10-01 10:47     ` Andy Shevchenko
2012-10-01 13:05       ` Felipe Balbi
2012-09-27  7:31 ` [PATCHv3 2/7] dmaengine: dw_dmac: add module alias Andy Shevchenko
2012-09-27  8:16   ` viresh kumar
2012-09-27  8:16     ` Felipe Balbi
2012-09-27  7:31 ` [PATCHv3 3/7] dmaengine: dw_dmac: remove CLK dependency Andy Shevchenko
2012-09-27  7:42   ` Felipe Balbi
2012-09-27  8:04     ` Andy Shevchenko
2012-09-27  8:02       ` Felipe Balbi
2012-09-27  8:17     ` viresh kumar
2012-09-27  8:17       ` Felipe Balbi
2012-09-27  7:31 ` [PATCHv3 4/7] dmaengine: dw_dmac: amend description and indentation Andy Shevchenko
2012-09-27  7:45   ` Felipe Balbi
2012-09-27  8:19     ` viresh kumar
2012-09-27  8:36       ` Andy Shevchenko
2012-09-27  7:31 ` [PATCHv3 5/7] dmaengine: dw_dmac: add PCI part of the driver Andy Shevchenko
2012-09-27  7:49   ` Felipe Balbi
2012-09-27  8:08     ` Andy Shevchenko
2012-09-27  8:09       ` Felipe Balbi
2012-09-27  8:44   ` Vinod Koul
2012-09-27  9:43     ` Andy Shevchenko [this message]
2012-09-27 10:01       ` Vinod Koul
2012-09-27 10:11         ` viresh kumar
2012-09-27 10:32           ` Vinod Koul
2012-10-03 13:40             ` Andy Shevchenko
2012-10-08 10:17           ` Andy Shevchenko
2012-10-08 10:49             ` Viresh Kumar
2012-10-08 12:46               ` Andy Shevchenko
2012-10-08 13:27                 ` Viresh Kumar
2012-10-24 11:13                   ` Vinod Koul
2012-10-30 15:05                   ` Andy Shevchenko
2012-10-30 15:19                     ` Viresh Kumar
2012-10-30 15:39                       ` Andy Shevchenko
2012-09-27  7:32 ` [PATCHv3 6/7] dma: move dw_dmac driver to an own directory Andy Shevchenko
2012-09-27  7:50   ` Felipe Balbi
2012-09-27  8:22   ` viresh kumar
2012-09-27  8:39     ` Felipe Balbi
2012-09-27  7:32 ` [PATCHv3 7/7] MAINTAINERS: add recently created files to dw_dmac section Andy Shevchenko
2012-09-27  7:51   ` Felipe Balbi
2012-09-27  8:12     ` viresh kumar
2012-09-27  8:24     ` Andy Shevchenko

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