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Commitb9e8a7d950("firmware: ti_sci: Switch transport to polled mode during system suspend") uses read_poll_timeout_atomic() macro in ti_sci_do_xfer() to wait for completion when the system is suspending. The break condition of the macro is set to "true" which will cause it break immediately when evaluated, likely before the TISCI xfer is completed, and always return 0. We want to poll here until "done_state == true". 1) Change the break condition of read_poll_timeout_atomic() to the bool variable "done_state". 2) The read_poll_timeout_atomic() returns 0 if the break condition is met or -ETIMEDOUT if not. Since our break condition has changed to "done_state", we also don't have to check for "!done_state" when evaluating the return value. Fixes:b9e8a7d950("firmware: ti_sci: Switch transport to polled mode during system suspend") Signed-off-by: Georgi Vlaev <g-vlaev@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Link: https://lore.kernel.org/r/20221021185704.181316-1-g-vlaev@ti.com
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.