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[ Upstream commit0c8862de05] TPM chip bootstrapping was removed from tpm_chip_register(), and it was relocated to tpm_tis_core. This breaks all drivers which are not based on tpm_tis because the chip will not get properly initialized. Take the corrective steps: 1. Rename tpm_chip_startup() as tpm_chip_bootstrap() and make it one-shot. 2. Call tpm_chip_bootstrap() in tpm_chip_register(), which reverts the things as tehy used to be. Cc: Lino Sanfilippo <l.sanfilippo@kunbus.com> Fixes:548eb516ec("tpm, tpm_tis: startup chip before testing for interrupts") Reported-by: Pengfei Xu <pengfei.xu@intel.com> Link: https://lore.kernel.org/all/ZEjqhwHWBnxcaRV5@xpf.sh.intel.com/ Tested-by: Pengfei Xu <pengfei.xu@intel.com> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> Stable-dep-of:99d4645062("tpm: Prevent hwrng from activating during resume") Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.