On Mon, Nov 11, 2013 at 04:59:14PM +0000, Stefano Stabellini wrote: > On Wed, 6 Nov 2013, Stefano Stabellini wrote: > > On Sat, 2 Nov 2013, Grant Likely wrote: > > > On Wed, 30 Oct 2013 00:05:22 -0500, Rob Herring <[email protected]> > > > wrote: > > > > From: Rob Herring <[email protected]> > > > > > > > > Platform devices created by DT code don't initialize dma_mask pointer to > > > > anything. Set it to coherent_dma_mask by default if the architecture > > > > code has not set it. > > > > > > > > Signed-off-by: Rob Herring <[email protected]> > > > > > > I believe this is okay. I haven't done any testing to back up that > > > opinion though. > > > > Tested-by: Stefano Stabellini <[email protected]> > > BTW I hope you are planning on sending this upstream soon, because > without it I can very easily corrupt my root fs by simply booting the system.
What's the mechanism for that corruption? Having the DMA mask not set should not cause DMA corruption - that hints at something else being wrong, and that needs to be investigated. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
