On Tue, Jun 17, 2014 at 04:04:51PM +0530, Sekhar Nori wrote: > ROM code on AM437x does not support writing to L2C-310 power control > register. The L2C driver, however, tries writing to this register for > all revisions >= r3p0. > > This leads to a warning dump on boot which leads most users to believe > that L2 cache is non-functional. > > Since the problem is understood, and cannot be addressed through software, > replace the warning with a pr_info() while maintaining the WARN_ON() for > other truly unexpected scenarios. > > Reported-by: Nishanth Menon <nm@xxxxxx> > Signed-off-by: Sekhar Nori <nsekhar@xxxxxx> Tested with today's linux-next (5f295cdf5c5dbbb0c40f10f2ddae02ff46bbf773) with am437x-sk, I can see that the WARNING goes away. Tested-by: Felipe Balbi <balbi@xxxxxx> -- balbi
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