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On Mon, May 15, 2017 at 10:40 AM, Jason Gunthorpe
<jguntho...@obsidianresearch.com> wrote:
> On Mon, May 15, 2017 at 10:33:04AM -0700, Josh Zimmerman wrote:
>> +     if (chip->flags & TPM_CHIP_FLAG_TPM2) {
>> +             down_write(&chip->ops_sem);
>> +             tpm2_shutdown(chip, TPM_SU_CLEAR);
>
> Would it be appropriate to now chain to the device_driver shutdown
> in case any TPM-bus related shutdown is required?
>
> We don't have any drivers that need that today though.

I think I'd prefer to keep the patch to the functionality we need
today. Is there any reason to prefer adding this functionality now
rather than waiting for a specific driver that needs it to add it when
it comes up?

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