On Mon, Oct 09, 2017 at 09:10:28AM +0800, Jia-Ju Bai wrote: > According to device_main.c, the driver may sleep under a spinlock, > and the function call path is: > vt6655_suspend (acquire the spinlock) > pci_set_power_state > __pci_start_power_transition (drivers/pci/pci.c) > msleep --> may sleep > > A possible fix is to replace msleep with mdelay in > __pci_start_power_transition in drivers/pci/pci.c. Patches are usually best to send in for things that you find like this. thanks, greg k-h
