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: musb: fix remote wakeup racing with suspend From: Bin Liu Message-Id: <20180502124034.GG21238@uda0271908> Date: Wed, 2 May 2018 07:40:34 -0500 To: Daniel =?iso-8859-1?Q?Gl=F6ckner?= Cc: linux-usb@vger.kernel.org, Greg Kroah-Hartman List-ID: T24gV2VkLCBNYXkgMDIsIDIwMTggYXQgMDM6MTI6MTZBTSArMDIwMCwgRGFuaWVsIEdsw7Zja25l ciB3cm90ZToKPiBIaSwKPiAKPiBPbiBUdWUsIE1heSAwMSwgMjAxOCBhdCAwODo0ODoxMUFNIC0w NTAwLCBCaW4gTGl1IHdyb3RlOgo+ID4gT24gRnJpLCBBcHIgMjcsIDIwMTggYXQgMDM6MDA6MDVQ TSArMDIwMCwgRGFuaWVsIEdsw7Zja25lciB3cm90ZToKPiA+ID4gSXQgaGFzIGJlZW4gb2JzZXJ2 ZWQgdGhhdCB3cml0aW5nIDB4RjIgdG8gdGhlIHBvd2VyIHJlZ2lzdGVyIHdoaWxlIGl0Cj4gPiA+ IHJlYWRzIGFzIDB4RjQgcmVzdWx0cyBpbiB0aGUgcmVnaXN0ZXIgaGF2aW5nIHRoZSB2YWx1ZSAw eEYwLCBpLmUuIGNsZWFyaW5nCj4gPiA+IFJFU1VNRSBhbmQgc2V0dGluZyBTVVNQRU5ETSBpbiBv bmUgZ28gZG9lcyBub3Qgd29yay4gSXQgbWlnaHQgYWxzbyB2aW9sYXRlCj4gPiA+IHRoZSBVU0Ig c3BlYyB0byB0cmFuc2l0aW9uIGRpcmVjdGx5IGZyb20gcmVzdW1lIHRvIHN1c3BlbmQsIGVzcGVj aWFsbHkKPiA+ID4gd2hlbiBub3QgdGFraW5nIFRfRFJTTUROIGludG8gYWNjb3VudC4gQnV0IHRo aXMgaXMgd2hhdCBoYXBwZW5zIHdoZW4gYQo+ID4gPiByZW1vdGUgd2FrZXVwIG9jY3VycyBiZXR3 ZWVuIFNldFBvcnRGZWF0dXJlIFVTQl9QT1JUX0ZFQVRfU1VTUEVORCBvbiB0aGUKPiA+ID4gcm9v dCBodWIgYW5kIG11c2JfYnVzX3N1c3BlbmQgYmVpbmcgY2FsbGVkLgo+ID4gPiAKPiA+ID4gVGhp cyBjb21taXQgcmV0dXJucyAtRUJVU1kgd2hlbiBtdXNiX2J1c19zdXNwZW5kIGlzIGNhbGxlZCB3 aGlsZSByZW1vdGUKPiA+ID4gd2FrZXVwIGlzIHNpZ25hbGxlZCBhbmQgdGh1cyBhdm9pZHMgdG8g cmVzZXQgdGhlIFJFU1VNRSBiaXQuIFJlbWVtYmVyIHRoYXQKPiA+ID4gcmVzdW1lIGNhbiBiZSBz aWduYWxsZWQgb25seSB3aGVuIHRoZSBidXMgd2FzIGFscmVhZHkgc3VzcGVuZGVkLCBzbyBpdCBp cwo+ID4gPiBzYWZlIHRvIHNraXAgdGhlIGZvbGxvd2luZyBzdGVwcyBldmVuIHdoZW4gbXVzYl9o dWJfY29udHJvbCBpZ25vcmVzIHRoZQo+ID4gCj4gPiB3aGF0IGRvIHlvdSBtZWFuIGJ5ICJza2lw IHRoZSBmb2xsb3dpbmcgc3RlcHMiPwo+IAo+IFNldHRpbmcgVVNCX1BPUlRfU1RBVF9TVVNQRU5E IGluIG11c2ItPnBvcnQxX3N0YXR1cywgY2hhbmdpbmcKPiBtdXNiLT54Y2Vpdi0+b3RnLT5zdGF0 ZSwgc2V0dGluZyBtdXNiLT5pc19hY3RpdmUsIGV0Yy4KCk9rYXksIGJ1dCBJIGFtIG5vdCBzdXJl IGhvdyAiZXZlbiBtdXNiX2h1Yl9jb250cm9sIGlnbm9yZXMgdGhlIGVycm9yLi4uIgppcyByZWxl dmFudCBpbiB0aGlzIHN0YXRlbWVudC4gVGhlIHN0ZXBzIGFyZSBzYWZlbHkgc2tpcHBlZCBpbgpt dXNiX3BvcnRfc3VzcGVuZCgpIHdoZW4gTVVTQl9QT1dFUl9SRVNVTUUgYml0IGlzIHNldCwgbm8g bWF0dGVyIGhvdwptdXNiX2h1Yl9jb250cm9sKCkgdG8gZGVhbCB3aXRoIHRoZSByZXR1cm4gY29k ZSBmcm9tCm11c2JfcG9ydF9zdXNwZW5kKCkuIERpZCBJIG1pc3VuZGVyc3RhbmQgYW55dGhpbmc/ Cgo+IAo+ID4gPiBlcnJvciByZXR1cm5lZCBieSBtdXNiX3BvcnRfc3VzcGVuZC4KPiA+ID4gCj4g PiA+IFRoZSByZXN1bWUgcGFydCBvZiBtdXNiX3BvcnRfc3VzcGVuZCBpcyBtb2RpZmllZCB0byBh bHNvIGFjY2VwdCBhIHBlbmRpbmcKPiA+ID4gcmVtb3RlIHdha2V1cCwgdG8gYnJpbmcgaXQgdG8g dGhlIGVuZCBhZnRlciBUX0RSU01ETiBoYXMgcGFzc2VkLgo+ID4gCj4gPiBDYW4geW91IHBsZWFz ZSBleHBsYWluIG1vcmUgaGVyZT8gSSBhbSBub3Qgc3VyZSB3aGVuIG11c2JfcG9ydF9zdXNwZW5k KCkKPiA+IGlzIGludm9sdmVkIGluIHJlc3VtZSBieSByZW1vdGUgd2FrZXVwLCBhbmQgd2hhdCBj YXNlIGlzIGEgJ3BlbmRpbmcnCj4gPiByZW1vdGUgd2FrZXVwPwo+IAo+IFdpdGggJ3BlbmRpbmcn IEkgd2FzIHJlZmVycmluZyB0byB0aGUgc2l0dWF0aW9uIHdoZW4gTVVTQl9QT1dFUl9SRVNVTUUK PiBoYXMgYmVlbiBzZXQgYnkgdGhlIGNvbnRyb2xsZXIgaW4gdGhlIHBvd2VyIHJlZ2lzdGVyIGFz IGEgcmVzdWx0IG9mCj4gb2YgYSBkZXRlY3RlZCByZW1vdGUgd2FrZXVwLgoKT2theS4KCj4gCj4g SSBzZWUuLi4gZmluaXNoX3Jlc3VtZV93b3JrIGlzIGFscmVhZHkgc2NoZWR1bGVkIGJ5IG11c2Jf c3RhZ2UwX2lycS4KClllcy4KCj4gU28gdGhlIGNvbmRpdGlvbiBvZiB0aGUgaWYgc3RhdGVtZW50 IHByb2JhYmx5IGRvZXMgbm90IG5lZWQgdG8gYmUKCkkgdGhpbmsgc28gdG9vLiBCVFksIEkgZG9u J3QgdGhpbmsgdGhpcyBwZW5kaW5nIHJlbW90ZSB3YWtldXAgc2l0dWF0aW9uCndpbGwgdHJpZ2dl ciBDbGVhclBvcnRGZWF0dXJlLCB3aGljaCBpcyB0aGUgb25seSBjYXNlIHRoYXQgaW52b2tlcyB0 aGF0CmlmIHN0YXRlbWVudCB5b3UgY2hhbmdlZC4KCj4gY2hhbmdlZC4gSSdsbCB0ZXN0IHdpdGhv dXQgdGhhdCBwYXJ0IGFuZCBtYWtlIGEgdjIgcGF0Y2ggaWYgaXQgd29ya3MuCj4gCj4gQnR3Liwg ZG8geW91IGtub3cgd2h5IHRoYXQgMTAwMDAgaXRlcmF0aW9ucyB3aGlsZSBsb29wIGlzIG5lZWRl ZCBpbgo+IG11c2JfcG9ydF9zdXNwZW5kIHRvIHBhc3MgdGhlIE9URyBQcm90b2NvbCBUZXN0IGFz IGluZGljYXRlZCBieSB0aGUKPiBjb21tZW50PwoKVW5mb3J0dW5hdGVseSBJIGRvbid0LiBUaGVy ZSBhcmUgbWFueSBteXN0ZXJpZXMgaW4gdGhlIG11c2IgZHJpdmVycyA6KQoKUmVnYXJkcywKLUJp bi4KLS0tClRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1 YnNjcmliZSBsaW51eC11c2IiIGluCnRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9A dmdlci5rZXJuZWwub3JnCk1vcmUgbWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5l bC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbAo=