2006-05-08 22:26:13

by Brown, Len

Subject: RE: [PATCH] tpm: update module dependencies (PNPACPI)

>On Mon, 2006-05-08 at 17:59 -0400, Brown, Len wrote:
>> >The TIS driver is dependent upon information from the ACPI table for
>> >device discovery thus it compiles but does no actual work
>with out this
>> >dependency.
>> >
>> >Signed-off-by: Kylene Hall <[email protected]>
>> >---
>> > drivers/char/tpm/Kconfig | 2 +-
>> > 1 files changed, 1 insertion(+), 1 deletion(-)
>> >
>> >--- linux-2.6.17-rc3/drivers/char/tpm/Kconfig 2006-04-26
>> >21:19:25.000000000 -0500
>> >+++ linux-2.6.17-rc3-tpm/drivers/char/tpm/Kconfig
>> >2006-05-08 16:11:03.707961750 -0500
>> >@@ -22,7 +22,7 @@ config TCG_TPM
>> >
>> > config TCG_TIS
>> > tristate "TPM Interface Specification 1.2 Interface"
>> >- depends on TCG_TPM
>> >+ depends on TCG_TPM && PNPACPI
>>
>> I think you want simply "ACPI" rather than "PNPACPI" here, yes?

>No I think I really want PNPACPI because I have a pnp_driver which
>probes based on a CID value. PNPACPI is dependent on ACPI. Am I
>misunderstanding something. It works with PNPACPI on but turning off
>only PNPACPI causes it to not work.

So if you boot with "pnpacpi=off" it fails to probe?
Nice to have proof that PNPACPI finally obsoletes PNPBIOS
on a real system in the field.

thanks,
-Len

2006-05-09 14:02:23

by Kylene Jo Hall

Subject: Re: [tpmdd-devel] RE: [PATCH] tpm: update module dependencies (PNPACPI)

On Mon, 2006-05-08 at 18:26 -0400, Brown, Len wrote:
> >On Mon, 2006-05-08 at 17:59 -0400, Brown, Len wrote:
> >> >The TIS driver is dependent upon information from the ACPI table for
> >> >device discovery thus it compiles but does no actual work
> >with out this
> >> >dependency.
> >> >
> >> >Signed-off-by: Kylene Hall <[email protected]>
> >> >---
> >> > drivers/char/tpm/Kconfig | 2 +-
> >> > 1 files changed, 1 insertion(+), 1 deletion(-)
> >> >
> >> >--- linux-2.6.17-rc3/drivers/char/tpm/Kconfig 2006-04-26
> >> >21:19:25.000000000 -0500
> >> >+++ linux-2.6.17-rc3-tpm/drivers/char/tpm/Kconfig
> >> >2006-05-08 16:11:03.707961750 -0500
> >> >@@ -22,7 +22,7 @@ config TCG_TPM
> >> >
> >> > config TCG_TIS
> >> > tristate "TPM Interface Specification 1.2 Interface"
> >> >- depends on TCG_TPM
> >> >+ depends on TCG_TPM && PNPACPI
> >>
> >> I think you want simply "ACPI" rather than "PNPACPI" here, yes?
>
> >No I think I really want PNPACPI because I have a pnp_driver which
> >probes based on a CID value. PNPACPI is dependent on ACPI. Am I
> >misunderstanding something. It works with PNPACPI on but turning off
> >only PNPACPI causes it to not work.
>
> So if you boot with "pnpacpi=off" it fails to probe?
> Nice to have proof that PNPACPI finally obsoletes PNPBIOS
> on a real system in the field.

Correct probe fails with pnpacpi=off.

Thanks,
Kylie

>
> thanks,
> -Len
>
>
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