From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usb: dwc3: Prevent indefinite sleep in _dwc3_set_mode during suspend/resume From: Felipe Balbi Message-Id: <87efkta5yl.fsf@linux.intel.com> Date: Fri, 09 Mar 2018 12:39:14 +0200 To: Roger Quadros , Baolin Wang Cc: USB , LKML List-ID: SGksCgpSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPiB3cml0ZXM6Cj4+Pj4+PiBXaGVuIHdl IHNldCB1cCB0aGUgRFdDM19ERVBDTURfRU5EVFJBTlNGRVIgY29tbWFuZCBpbgo+Pj4+Pj4gZHdj M19zdG9wX2FjdGl2ZV90cmFuc2ZlcigpLCB3ZSBjYW4gZG8gbm90IHNldCBEV0MzX0RFUENNRF9D TURJT0MsCj4+Pj4+PiB0aGVuIHRoZXJlIHdpbGwgbm8gZW5kcG9pbnQgY29tbWFuZCBjb21wbGV0 ZSBpbnRlcnJ1cHRzIEkgdGhpbmsuCj4+Pj4+Pgo+Pj4+Pj4gY21kIHw9IERXQzNfREVQQ01EX0NN RElPQzsKPj4+Pj4KPj4+Pj4gSSByZW1lbWJlciBzb21lIHBhcnQgb2YgdGhlIGRhdGFib29rIG1h bmRhdGluZyBDTURJT0MgdG8gYmUgc2V0LiBXZQo+Pj4+PiBjb3VsZCB0ZXN0IGl0IG91dCB3aXRo b3V0IGFuZCBzZWUgaWYgYW55dGhpbmcgYmxvd3MgdXAuIEkgd291bGQsCj4+Pj4+IGhvd2V2ZXIs IHJlcXVpcmUgYSBsZW5ndGh5IGNvbW1lbnQgZXhwbGFpbmluZyB0aGF0IHdlJ3JlIGRldmlhdGlu ZyBmcm9tCj4+Pj4+IGRhdGFib29rIHJldmlzaW9uIHgueXlhLCBzZWN0aW9uIGZvb2JhciBiZWNh dXNlICRyZWFzb25zLiA6LSkKPj4+Pj4KPj4+Pgo+Pj4+IFRoaXMgaXMgd2hhdCB0aGUgdjMuMTAg ZGF0YWJvb2sgc2F5cwo+Pj4+Cj4+Pj4gIldoZW4gaXNzdWluZyBhbiBFbmQgVHJhbnNmZXIgY29t bWFuZCwgc29mdHdhcmUgbXVzdCBzZXQgdGhlIENtZElPQwo+Pj4+IGJpdCAoZmllbGQgOCkgc28g dGhhdCBhbiBFbmRwb2ludCBDb21tYW5kIENvbXBsZXRlIGV2ZW50IGlzIGdlbmVyYXRlZAo+Pj4+ IGFmdGVyIHRoZSB0cmFuc2ZlciBlbmRzLiBUaGlzIGlzIG5lY2Vzc2FyeSB0byBzeW5jaHJvbml6 ZSB0aGUKPj4+PiBjb25jbHVzaW9uIG9mIHN5c3RlbSBidXMgdHJhZmZpYyBiZWZvcmUgdGhlIEVu ZCBUcmFuc2ZlciBjb21tYW5kIGlzCj4+Pj4gY29tcGxldGVkLiIKPj4+Pgo+Pj4+IHdpdGggYSBu b3RlCj4+Pj4KPj4+PiAiSWYgR1VDVEwyW1JzdF9hY3RiaXRsYXRlcl0gaXMgc2V0LCBTb2Z0d2Fy ZSBjYW4gcG9sbCB0aGUgY29tcGxldGlvbgo+Pj4+IG9mIHRoZSBFbmQgVHJhbnNmZXIgY29tbWFu ZCBieSBwb2xsaW5nIHRoZSBjb21tYW5kIGFjdGl2ZSBiaXQgdG8gYmUKPj4+PiBjbGVhcmVkIHRv IDAuIgo+Pj4+Cj4+Pj4gZnlpLgo+Pj4+Cj4+Pj4gUnN0X2FjdGJpdGxhdGVyIC0gIkVuYWJsZSBj bGVhcmluZyBvZiB0aGUgY29tbWFuZCBhY3RpdmUgYml0IGZvciB0aGUKPj4+PiBFTkRYRkVSIGNv bW1hbmQgYWZ0ZXIgdGhlIGNvbW1hbmQgZXhlY3V0aW9uIGlzIGNvbXBsZXRlZC4gIFRoaXMgYml0 IGlzCj4+Pj4gdmFsaWQgaW4gZGV2aWNlIG1vZGUgb25seS4iCj4+Pj4KPj4+PiBTbyBJJ2QgcHJl ZmVyIG5vdCB0byBjbGVhciBDTURJT0MgZm9yIGFsbCBjYXNlcy4KPj4+Pgo+Pj4+IENvdWxkIHdl IHNvbWUgaG93IGp1c3QgdGFja2xlIHRoZSBkd2MzX2dhZGdldF9leGl0IGNhc2UgbGlrZSBJIGRp ZCBpbgo+Pj4+IHRoaXMgcGF0Y2g/Cj4+Pgo+Pj4gaWYgeW91IGNhbiBzZW5kIGEgdmVyc2lvbiB0 aGF0IGRvZXNuJ3QgaXRlcmF0ZSBvdmVyIGFsbCBlbmRwb2ludHMgdHdpY2UsCj4+PiBzdXJlLiBX ZSBzdGlsbCBuZWVkIGEgY29tbWVudCBzb21ld2hlcmUsIGFuZCBJIGZlYXIgd2UgbWF5IGdldAo+ Pj4gaW50ZXJydXB0cyBsYXRlciBpbiBzb21lIGNhc2VzLiBIb3cgd291bGQgd2UgZGVhbCB3aXRo IHRoYXQ/Cj4+Pgo+PiAKPj4gaG93IGFib3V0IGV4cGxpY2l0bHkgbWFza2luZyB0aGF0IGludGVy cnVwdD8gSXMgaXQgcG9zc2libGU/Cj4+IAo+Cj4gT3RoZXIgZWFzeSBvcHRpb24gaXMgdG8gdXNl IHdhaXRfZXZlbnRfaW50ZXJydXB0aWJsZV9sb2NrX2lycV90aW1lb3V0KCkKPiBpbnN0ZWFkIG9m IHdhaXRfZXZlbnRfbG9ja19pcnEoKSBpbiBkd2MzX2dhZGdldF9zdG9wKCkuCj4KPiBJcyBhIDIw MG1zIHRpbWVvdXQgc3VmZmljaWVudD8gQW5kIGFmdGVyIHRoZSBmaXJzdCB0aW1lb3V0IHdlIGFz c3VtZSBhbGwKPiB3aWxsIHRpbWVvdXQgc28gbm8gcG9pbnQgaW4gd2FpdGluZyAyMDBtcyBmb3Ig ZWFjaCBlbmRwb2ludC4KCldlIGNhbiBkbyB0aGF0LiBBbmQgSSB0aGluayBzb21lIDVtcyBpcyBt b3JlIHRoYW4gZW5vdWdoIDotKSBJJ2QgYmUKc3VycHJpc2VkIGlmIGl0IHRha2VzIGFueXRoaW5n IG92ZXIgc29tZSAyMDB1cyBmb3IgdGhlIEVuZFRyYW5zZmVyCmNvbW1hbmQgdG8gY29tcGxldGUu Cg==