On Thu, Feb 04, 2016 at 04:49:47PM -0700, Jason Gunthorpe wrote: > On Wed, Feb 03, 2016 at 03:37:01PM -0800, Jarkko Sakkinen wrote: > > Hi > > > > I've been investigating this bug: > > > > https://bugzilla.kernel.org/show_bug.cgi?id=111511 > > > > In all the machines that I've tried tpm_crb this does not occur on 4.4 > > kernel and still the ioremapped buffers do interleave. It looks as if > > something that is not tpm_crb added that memory area to iomem_resource > > because 4.4 driver uses ioremap_nocache() and does not add anything to > > the resource tree. > > The error says the BIOS set the ACPI resource for MSFT0101:00 to > 0xfed40000-0xfed4087f and then proceeded to say that the region > 0xfed40040-0xfed4103f is one of the additional TPM resources. > > Is this right? > > priv->cca = crb_access(dev, priv, buf->control_address, 0x1000); > > Where did 0x1000 come from? > > Why not sizeof(crb_control_area) ?
4.4 does not use devm_ioremap_resource(). That is why this is confusing. If that was the kernel from my master branch, then this would make sense. > Jason /Jarkko ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ tpmdd-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tpmdd-devel
