On Mon, Dec 18, 2017 at 07:34:29PM +0000, Shaikh, Azhar wrote: > >IIUC, if CLKRUN_EN is enabled, then all the devices attached to the > >LPC bus have to support the CLKRUN protocol. My guess is that on > >some Braswell systems LPC power management is enabled but the TPM > >device doesn't have CLKRUN support. > > I think this is what might be happening here.
That makes it a BIOS bug, not a chipset bug, and we shouldn't be trying to fix it like this in Linux. Based on the original discussion I always thought this was an Intel chipset bug and applies to all cases. Jason
