Re: [PATCH 1/5] tpm: add functions to set and unset the tpm chips reset state

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Apr 07, 2022 at 01:18:45PM +0200, Lino Sanfilippo wrote:
> Currently it is not possible to set the tpm chips reset state from within
> the driver. This is problematic if the chip is still in reset after the
> system comes up. This may e.g. happen if the reset line is pulled into
> reset state by a pin configuration in the device tree.

This kind of system is badly misdesigned.

TPM PCRs fundementally cannot work if the TPM reset line is under
software control.

Jason



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux