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Driver currently resumes and increments pm usage_count of its child device (dwc3 main) from its runtime_resume handler. This requires dwc3 runtime_resume to perform pm_runtime_put to decrement the pm usage_count. However runtime_put from dwc3 happens for non pci drivers (e.g. dwc3-if-simple.c) as well which results in dwc3 pm usage_count becoming negative after couple of runtime suspend resume iterations. Fix this by performing runtime_get/put from dwc3-pci driver only using workqueue. Signed-off-by: Manu Gautam <mgautam@codeaurora.org> Signed-off-by: Felipe Balbi <felipe.balbi@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.