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commit4fe4f9feccupstream. Disabling all EP's allow to reset EP's to initial state. Introduced new function dwc2_hsotg_ep_disable_lock() which before calling dwc2_hsotg_ep_disable() function acquire hsotg->lock and release on exiting. From dwc2_hsotg_ep_disable() function removed acquiring hsotg->lock. In dwc2_hsotg_core_init_disconnected() function when USB reset interrupt asserted disabling all ep’s by dwc2_hsotg_ep_disable() function. This updates eliminating sparse imbalance warnings. Reverted changes in dwc2_hostg_disconnect() function. Introduced new function dwc2_hsotg_ep_disable_lock(). Changed dwc2_hsotg_ep_ops. Now disable point to dwc2_hsotg_ep_disable_lock() function. In functions dwc2_hsotg_udc_stop() and dwc2_hsotg_suspend() dwc2_hsotg_ep_disable() function replaced by dwc2_hsotg_ep_disable_lock() function. In dwc2_hsotg_ep_disable() function removed acquiring of hsotg->lock. Fixes:dccf1bad4b("usb: dwc2: Disable all EP's on disconnect") Signed-off-by: Minas Harutyunyan <hminas@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Amit Pundir <amit.pundir@linaro.org> 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.