linux-kernel - RE: [PATCH v2 1/2] dma-mapping: move dma configuration to bus infrastructure

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Message-ID: <HE1PR0401MB242569E833A5D617A8818ADEE6A90@HE1PR0401MB2425.eurprd04.prod.outlook.com>
Date:   Thu, 22 Mar 2018 15:05:10 +0000
From:   Nipun Gupta <nipun.gupta@....com>
To:     Christoph Hellwig <hch@....de>
CC:     "robin.murphy@....com" <robin.murphy@....com>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
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        Bharat Bhushan <bharat.bhushan@....com>,
        Leo Li <leoyang.li@....com>
Subject: RE: [PATCH v2 1/2] dma-mapping: move dma configuration to bus
        infrastructure



> -----Original Message-----
> From: Christoph Hellwig [mailto:hch@....de]
> Sent: Thursday, March 22, 2018 13:46
> To: Nipun Gupta <nipun.gupta@....com>
> 
> > +static int amba_dma_configure(struct device *dev)
> > +{
> > +	return dma_common_configure(dev);
> > +}
> 
> So it turns out we only end with two callers of dma_common_configure
> after this series.  Based ont hat I'm tempted with the suggestion
> from Robin to just have amba call platform_dma_configure, and move
> the code from dma_common_configure to platform_dma_configure.

okay, that would be fine, trivial query - will it be okay to include
'linux/platform_device.h' in the AMBA bus? I am reluctant for this change
because of including platform file.

Thanks,
Nipun