On Tue, Aug 21, 2018 at 04:57:09PM +0100, David Howells wrote: > Provide a platform driver for the user emulator driver. This seems to be > necessary to stop tpm_chip_find_get() from blowing up because it assumes > unconditionally that any device will have a driver attached: > > if (try_module_get(pos->dev->driver->owner)) { > > However, this doesn't then work right because if I remove the TPM device and > re-add it, the tpm ID isn't recycled (ie, /dev/tpm0 becomes unavailable and > the new TPM is /dev/tpm1). > > Signed-off-by: David Howells <dhowells@xxxxxxxxxx> Again, a duplicate. /Jarkko