On 8/14/2017 6:10 AM, Jarkko Sakkinen wrote:
Nuvoton, ST Micro, and Infineon confirmed that the TPM empties a byte from
the FIFO in under 1 usec. So, even with a static burst count, the entire
FIFO would empty in under 10 usec.
Does this break anything lets say in a decade time frame? If it
On 8/14/2017 6:10 AM, Jarkko Sakkinen wrote:
Nuvoton, ST Micro, and Infineon confirmed that the TPM empties a byte from
the FIFO in under 1 usec. So, even with a static burst count, the entire
FIFO would empty in under 10 usec.
Does this break anything lets say in a decade time frame? If it
On 8/9/2017 4:43 PM, Peter Huewe wrote:
Yes that's bad, especially with current msleep(5) is actually
msleep(20). However, please also keep in mind SPI tpms show a much
higher burst count value, (255) our I2C TPM SLB9645 even shows
something in the range of 1k. :)
One of our platforms has a
On 8/9/2017 4:43 PM, Peter Huewe wrote:
Yes that's bad, especially with current msleep(5) is actually
msleep(20). However, please also keep in mind SPI tpms show a much
higher burst count value, (255) our I2C TPM SLB9645 even shows
something in the range of 1k. :)
One of our platforms has a
On 8/9/2017 5:00 PM, Peter Huewe wrote:
Since we are the linux kernel, we do have to care for legacy
devices. And a system with LPC, PS2Mouse on SuperIO and a TPM are not
that uncommon.
And heck, we even have support for 1.1b TPM devices
Understood. However, remember that SuperIO is a
On 8/9/2017 5:00 PM, Peter Huewe wrote:
Since we are the linux kernel, we do have to care for legacy
devices. And a system with LPC, PS2Mouse on SuperIO and a TPM are not
that uncommon.
And heck, we even have support for 1.1b TPM devices
Understood. However, remember that SuperIO is a
Hi Ken,
(again speaking only on my behalf, not my employer)
> Does anyone know of platforms where this occurs?
> I suspect (but not sure) that the days of SuperIO connecting floppy
> drives, printer ports, and PS/2 mouse ports on the LPC bus are over, and
> such legacy systems will not have a
Hi Ken,
(again speaking only on my behalf, not my employer)
> Does anyone know of platforms where this occurs?
> I suspect (but not sure) that the days of SuperIO connecting floppy
> drives, printer ports, and PS/2 mouse ports on the LPC bus are over, and
> such legacy systems will not have a
Hi Ken,
(speaking on behalf of myself here, not my employer :) )
> On Mon, Aug 07, 2017 at 01:52:34PM +0200, Peter Huewe wrote:
>> Imho: NACK from my side.
> After these viewpoints definitive NACK from my side too...
> I responded to the thread comments separately. However, assuming NACK
> is
Hi Ken,
(speaking on behalf of myself here, not my employer :) )
> On Mon, Aug 07, 2017 at 01:52:34PM +0200, Peter Huewe wrote:
>> Imho: NACK from my side.
> After these viewpoints definitive NACK from my side too...
> I responded to the thread comments separately. However, assuming NACK
> is
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