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Date:	Thu, 20 Mar 2014 18:32:24 +0100
From:	Ben Dooks <ben.dooks@...ethink.co.uk>
To:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
CC:	Arnd Bergmann <arnd@...db.de>,
	Russell King <linux@....linux.org.uk>,
	linux-sh@...r.kernel.org,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Magnus Damm <damm@...nsource.se>,
	Ben Dooks <ben-linux@...ff.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Simon Horman <horms+renesas@...ge.net.au>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: DMABOUNCE in pci-rcar

On 20/03/14 18:31, Jason Gunthorpe wrote:
> On Thu, Mar 20, 2014 at 06:25:25PM +0100, Ben Dooks wrote:
>> So doing:
>>
>> static void pci_rcar_fixup(struct pci_dev *dev)
>> {
>> 	if (dev->bus->ops == &rcar_pci_ops) {
>> 		dev_info(&dev->dev, "applying new dma mask\n");
>> 		dev->dma_mask = DMA_BIT_MASK(31);
>> 	}
>> }
>>
>> DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, pci_rcar_fixup);
>>
>> Did not work for me :(
>
> Seems like it should work, do you have CONFIG_PCI_QUIRKS turned on?

Yes, see the print happening, just still PCI OHCI dies horribly.


-- 
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius
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