> -----Original Message----- > From: Felipe Balbi [mailto:balbi@xxxxxx] > Sent: Tuesday, May 26, 2015 11:19 PM > To: Kaukab, Yousaf > Cc: balbi@xxxxxx; Heiko Stuebner; linux-usb@xxxxxxxxxxxxxxx; > john.youn@xxxxxxxxxxxx; Herrero, Gregory; r.baldyga@xxxxxxxxxxx; > dinguyen@xxxxxxxxxxxxxxxxxxxxx; zhangfei.gao@xxxxxxxxxx; > jwerner@xxxxxxxxxxxx; sergei.shtylyov@xxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH v5 00/22] usb: third series of updates for dwc2 driver > > On Tue, May 26, 2015 at 03:18:32PM +0000, Kaukab, Yousaf wrote: > > > -----Original Message----- > > > From: Felipe Balbi [mailto:balbi@xxxxxx] > > > Sent: Tuesday, May 26, 2015 11:12 PM > > > To: Heiko Stuebner > > > Cc: Kaukab, Yousaf; linux-usb@xxxxxxxxxxxxxxx; balbi@xxxxxx; > > > john.youn@xxxxxxxxxxxx; Herrero, Gregory; r.baldyga@xxxxxxxxxxx; > > > dinguyen@xxxxxxxxxxxxxxxxxxxxx; zhangfei.gao@xxxxxxxxxx; > > > jwerner@xxxxxxxxxxxx; sergei.shtylyov@xxxxxxxxxxxxxxxxxx > > > Subject: Re: [PATCH v5 00/22] usb: third series of updates for dwc2 > > > driver > > > > > > On Sun, May 24, 2015 at 12:33:39AM +0200, Heiko Stuebner wrote: > > > > Hi, > > > > > > > > Am Mittwoch, 29. April 2015, 22:08:58 schrieb Mian Yousaf Kaukab: > > > > > Hi, > > > > > This patchset consists of some bug fixes and feature > > > > > enhancements for the dwc2 driver. All the patches are verified > > > > > on dwc2 v3.0a with dedicated fifos. Main focus of testing was with dma > enabled. > > > > > Although basic testing without dma was also done. > > > > > > > > > > This is based on testing/next branch in Felipe's git. > > > > > > > > > > Thank you, > > > > > > > > > > Best regards, > > > > > Yousaf > > > > > > > > > > History: > > > > > v5: > > > > > - Fixed comments from Felipe Balbi > > > > > v4: > > > > > - Fixed comment from Julius Werner > > > > > v3: > > > > > - Fixed comments from Julius Werner and Sergei Shtylyov > > > > > - Dropped "usb: dwc2: allow dwc2_pci to be a module even when > > > > > dwc2 is statically linked" due to > > > > > http://marc.info/?l=linux-usb&m=142661773703793&w=2 > > > > > - "usb: dwc2: host: ensure qtb exists before dereferencing it" is added > > > > > to fix a NULL pointer dereferencing bug > > > > > v2: > > > > > - Fixed comments from John Youn and Julius Werner > > > > > - Fixed regression, found by John, when switching to gadget mode > > > > > after running host mode > > > > > - Added patch to add core parameter for enabling/disabling > > > > > hibernation > > > > > - Added patch to build dwc2_pci.ko independent from dwc2.ko > > > > > v1: > > > > > - Fixed comments from John Youn and Robert Baldyga > > > > > - Dropped all changes to pci.c due to > > > > > http://permalink.gmane.org/gmane.linux.usb.general/123411 > > > > > - Added patch to remove unnecessary EXPORT_SYMBOL_GPL calls > > > > > > > > With this series applied I get the warning below about a sleeping > > > > function, that is not present without it. This happens quite often > > > > (on boot, when going to suspend, etc). > > > > > > > > Other than that, usb still works and the dwc2 now also finally > > > > suspends :-D, so on a rk3288 > > > > > > > > Tested-by: Heiko Stuebner <heiko@xxxxxxxxx> > > > > > > > > ---------- 8< ------------------ > > > > [ 19.799200] BUG: sleeping function called from invalid context at > > > mm/slab.c:2863 > > > > > > Will I see a patch for fixing this ? > > > > I am currently on a business trip and can't look into this for at > > least a couple of weeks. > > John, since this is your driver, could you fix it up ? Following is most likely the culprit patch. 33ad261 usb: dwc2: host: spinlock urb_enqueue I will try to get to it as soon as possible if no one beats me to it. > > -- > balbi BR, Yousaf -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html