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Currently, there is an unnecessary 1 msec delay added in i2c_nuvoton_write_status() for the successful case. This function is called multiple times during send() and recv(), which implies adding multiple extra delays for every TPM operation. This patch calls usleep_range() only if retry is to be done. Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com> Cc: stable@vger.kernel.org (linux-4.8) Reviewed-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.