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authorManu Gautam <mgautam@codeaurora.org>2017-09-27 16:49:21 +0530
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-10-24 12:51:19 +0300
commit8eed00b237a2844dbe6bc2bac5c0b2657f9f194b (patch)
treeb3eb2e1ecafbb41f6aa7074b0c548a6642824722 /Documentation/rbtree.txt
parent689bf72c6e0dc97493ba14d82f6762456f8f244a (diff)
downloadlinux-8eed00b237a2844dbe6bc2bac5c0b2657f9f194b.tar.bz2
usb: dwc3: pci: Runtime resume child device from wq
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>
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