Re: [BUG] vt6655: A possible sleep-in-atomic bug in vt6655_suspend

[Greg KH]

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