Hi Aaro On Thu, 30 Aug 2012 13:40:30 -0700 Tony Lindgren <tony@xxxxxxxxxxx> wrote: > * Shilimkar, Santosh <santosh.shilimkar@xxxxxx> [120829 08:30]: > > On Wed, Aug 29, 2012 at 8:24 AM, Aaro Koskinen <aaro.koskinen@xxxxxx> wrote: > > > In some OMAP3 HS devices (at least Nokia N9 and N950), the public SRAM > > > seems to conflict with secure portition of SRAM. When booting the 3.6-rc3 > > > kernel (and also earlier) on these devices, the kernel gets tainted with > > > tons of the following warnings: > > > > > > [ 6.894348] In-band Error seen by MPU at address 0 > > > [...] > > > [ 6.894378] WARNING: at arch/arm/mach-omap2/omap_l3_smx.c:162 > > > > > > Fix this by skipping the first 16K of the public SRAM. (Note that the > > > mapping could not be changed, as it resulted in secure monitor call > > > failure in save_secure_sram().) > > > > > > This will leave 12K SRAM available that should be still sufficient. The > > > patch has been boot tested with vanilla 3.6-rc3 on N900, N950 and N9. > > > > > > Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx> > > > --- > > > arch/arm/plat-omap/sram.c | 9 ++++++--- > > > 1 files changed, 6 insertions(+), 3 deletions(-) > > > > > Looks good. > > > > Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > > Thanks applying both into fixes. Aaro, note that now that we're merging > patches via the arm soc tree, let's use "ARM: OMAP: " for the subject so > I don't need to fix it up ;) > This issue appears to be in 3.5 too (I didn't check others). Should you commit id of this patch and affected kernel versions to stable? -- Jarkko -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
