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) {
>
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