On Tue, 2015-10-13 at 13:43 -0500, Ashley Lai wrote:
> 
> On 10/07/2015 07:11 PM, Hon Ching(Vicky) Lo wrote:
> > The event log generated by OpenFirmware in PowerPC is 4-byte aligned.
> > This patch reformats the log to be byte-aligned for the Linux client.
> >
> > Signed-off-by: Hon Ching(Vicky) Lo <hon...@linux.vnet.ibm.com>
> > ---
> >   arch/powerpc/kernel/prom_init.c |   13 ++++++++++++-
> >   1 files changed, 12 insertions(+), 1 deletions(-)
> >
> > diff --git a/arch/powerpc/kernel/prom_init.c 
> > b/arch/powerpc/kernel/prom_init.c
> > index b9b6bb1..8a5c248 100644
> > --- a/arch/powerpc/kernel/prom_init.c
> > +++ b/arch/powerpc/kernel/prom_init.c
> > @@ -1417,8 +1417,9 @@ static void __init prom_instantiate_sml(void)
> >   {
> >     phandle ibmvtpm_node;
> >     ihandle ibmvtpm_inst;
> > -   u32 entry = 0, size = 0;
> > +   u32 entry = 0, size = 0, succ = 0;
> >     u64 base;
> > +   __be32 val;
> >   
> >     prom_debug("prom_instantiate_sml: start...\n");
> >   
> > @@ -1433,6 +1434,16 @@ static void __init prom_instantiate_sml(void)
> >             return;
> >     }
> >   
> > +   if (prom_getprop(ibmvtpm_node, "ibm,sml-efi-reformat-supported",
> > +                    &val, sizeof(val)) != PROM_ERROR) {
> > +           if (call_prom_ret("call-method", 2, 2, &succ,
> > +                             ADDR("reformat-sml-to-efi-alignment"),
> > +                             ibmvtpm_inst) != 0 || succ == 0) {
> 
> reformat-sml-to-efi-alignment is something new just added in the firmware?  I 
> don't remember seeing it before.

Yes, it's new.  Our new firmware version will support it.

> 
> 
> > +                   prom_printf("Reformat SML to EFI alignment failed\n");
> > +                   return;
> > +           }
> > +   }
> > +
> >     if (call_prom_ret("call-method", 2, 2, &size,
> >                       ADDR("sml-get-handover-size"),
> >                       ibmvtpm_inst) != 0 || size == 0) {
> 


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to