[PATCH v2] ARM: OMAP2+: l2c: squelch warning dump on power control setting

[Tony Lindgren]

* Santosh Shilimkar <santosh.shilimkar at ti.com> [140714 07:33]:
> On Monday 14 July 2014 09:13 AM, Sekhar Nori wrote:
> > On OMAP SOCs using PL310 controllers, power_ctrl register is not
> > accessible from non-secure software even on PL310 versions which
> > support it. The secure code takes care of setting it up correctly
> > and power transitions are proven on these devices.
> > 
> > For example, AM437x has L2C-310 version r3p3 and ROM code on that
> > device 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 at ti.com>
> > Tested-by: Felipe Balbi <balbi at ti.com>
> > Signed-off-by: Sekhar Nori <nsekhar at ti.com>
> > ---
> > Only description updated since v1
> > 
> Thanks for update.
> Acked-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
> 

Thanks applying into omap-for-v3.16/fixes.

Tony