Messages in this thread | | | Date | Tue, 23 Dec 2014 09:06:13 -0800 | From | Tony Lindgren <> | Subject | Re: [PATCH v10 2/8] ARM: l2c: Refactor the driver to use commit-like interface |
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* Marek Szyprowski <m.szyprowski@samsung.com> [141223 02:51]: > From: Tomasz Figa <t.figa@samsung.com> > > Certain implementations of secure hypervisors (namely the one found on > Samsung Exynos-based boards) do not provide access to individual L2C > registers. This makes the .write_sec()-based interface insufficient and > provoking ugly hacks. > > This patch is first step to make the driver not rely on availability of > writes to individual registers. This is achieved by refactoring the > driver to use a commit-like operation scheme: all register values are > prepared first and stored in an instance of l2x0_regs struct and then a > single callback is responsible to flush those values to the hardware.
The first patch of the series applied things boot with no problem. But after applying this one I get the following on am437x:
Unhandled fault: imprecise external abort (0xc06) at 0xb6f33884
Probably the same issue Nishanth mentioned.
Regards,
Tony
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