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Vignesh R
f72831f9cb
commit38dabd91ffupstream. pwm-tiehrpwm driver disables PWM output by putting it in low output state via active AQCSFRC register in ehrpwm_pwm_disable(). But, the AQCSFRC shadow register is not updated. Therefore, when shadow AQCSFRC register is re-enabled in ehrpwm_pwm_enable() (say to enable second PWM output), previous settings are lost as shadow register value is loaded into active register. This results in things like PWMA getting enabled automatically, when PWMB is enabled and vice versa. Fix this by updating AQCSFRC shadow register as well during ehrpwm_pwm_disable(). Fixes:19891b20e7("pwm: pwm-tiehrpwm: PWM driver support for EHRPWM") Cc: stable@vger.kernel.org Signed-off-by: Vignesh R <vigneshr@ti.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.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.
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.