On Mon, May 14, 2018 at 3:08 PM, Jason Gunthorpe <jgg@xxxxxxxx> wrote: > On Mon, May 14, 2018 at 02:59:36PM -0500, David R. Bild wrote: >> On Mon, May 14, 2018 at 2:31 PM, Jason Gunthorpe <jgg@xxxxxxxx> wrote: The driver can setup enough to use the TPM >> > framework to send commands before completing registration. We use it >> > in startup timeouts and other flows today. >> >> >> That sounds perfect. Can you point me to some usages in the code (or >> relevant functions)? >> > > Well, tpm_tis_core_init() does it > > Only the driver that calls tpm_chip_register() gets to use this > capability, so you can't use "tpm_tis_spi" and the automatic binding > if you need it. > > Looks like the spi binding and tpm_tis_core_init will need some gentle > editing to allow a SPI based driver the same opportunity. Thanks for the pointers. I'll work with Peter to add this capability for SPI drivers. Best, David
