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Date: Tue, 6 Aug 2013 11:19:14 +0100 From: Russell King - ARM Linux <linux@....linux.org.uk> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Pantelis Antoniou <panto@...oniou-consulting.com>, Tony Lindgren <tony@...mide.com>, Benoît Coussno <b-cousson@...com>, Paul Walmsley <paul@...an.com>, Sourav Poddar <sourav.poddar@...com>, Russ Dill <Russ.Dill@...com>, Felipe Balbi <balbi@...com>, Koen Kooi <koen@...cuitco.com>, linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/5] pdev: Fix platform device resource linking On Tue, Aug 06, 2013 at 06:15:27PM +0800, Greg Kroah-Hartman wrote: > On Tue, Aug 06, 2013 at 12:45:42PM +0300, Pantelis Antoniou wrote: > > What would it take to move all this into driver core? > > What specifically would you move into there? A variable to hold the streaming dma_mask, so that its in struct device rather than having to be separate. Yes, we can keep the pointer in there too, because that appears to convey meaning in the kernel today - whether the device can do DMA or not. A NULL dma_mask pointer already means it can't and dma_set_mask() always fails. A non-NULL dma_mask pointer means the driver can use dma_set_mask() to set an appropriate mask. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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