> -----Original Message----- > From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> > Sent: Friday, June 4, 2021 6:52 PM > To: Jun Li <jun.li@xxxxxxx> > Cc: peter.chen@xxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; dl-linux-imx > <linux-imx@xxxxxxx>; Faqiang Zhu <faqiang.zhu@xxxxxxx> > Subject: Re: [PATCH] usb: chipidea: udc: assign interrupt number to USB gadget > structure > > On Fri, May 14, 2021 at 06:59:44PM +0800, Li Jun wrote: > > Chipidea also need sync interrupt before unbind the udc while gadget > > remove driver, otherwise setup irq handling may happen while unbind, > > see below dump generated from android function switch stress test: > > ... > > > > What commit does this fix? Should it go to stable kernels, and if so, > how far back? I will resend the patch with fix tag added. Li Jun > > thanks, > > greg k-h