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commite3a0720224upstream. tcpm_pd_select_pps_apdo overwrites port->pps_data.min_volt, port->pps_data.max_volt, port->pps_data.max_curr even before port partner accepts the requests. This leaves incorrect values in current_limit and supply_voltage that get exported by "tcpm-source-psy-". Solving this problem by caching the request values in req_min_volt, req_max_volt, req_max_curr, req_out_volt, req_op_curr. min_volt, max_volt, max_curr gets updated once the partner accepts the request. current_limit, supply_voltage gets updated once local port's tcpm enters SNK_TRANSITION_SINK when the accepted current_limit and supply_voltage is enforced. Fixes:f2a8aa053c("typec: tcpm: Represent source supply through power_supply") Signed-off-by: Badhri Jagan Sridharan <badhri@google.com> Cc: stable <stable@vger.kernel.org> Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20210407200723.1914388-2-badhri@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.