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: [v2] usb: dwc3: Prevent indefinite sleep in _dwc3_set_mode during suspend/resume From: Felipe Balbi Message-Id: <87d100qwc5.fsf@linux.intel.com> Date: Mon, 19 Mar 2018 10:54:34 +0200 To: Minas Harutyunyan Minas Harutyunyan , Roger Quadros Cc: "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" List-ID: SGksCgpNaW5hcyBIYXJ1dHl1bnlhbiA8TWluYXMuSGFydXR5dW55YW5Ac3lub3BzeXMuY29tPiB3 cml0ZXM6Cj4+Pj4+PiBUaGFua3MgZm9yIHBpY2tpbmcgdGhpcyBmb3IgLW5leHQuCj4+Pj4+PiBJ cyBpdCBiZXR0ZXIgdG8gaGF2ZSB0aGlzIGluIHY0LjE2LXJjIGZpeGVzPwo+Pj4+Pj4gYW5kIGFs c28gc3RhYmxlPyB2NC4xMisKPj4+Pj4KPj4+Pj4gV2VsbCwgdGhlcmUgd2FzIG5vICJGaXhlczog Zm9vYmFyIiBvciAiQ2M6IHN0YWJsZSIgbGluZXMgaW4gdGhlIGNvbW1pdAo+Pj4+PiBsb2cgOy0p Cj4+Pj4+Cj4+Pj4+IFRoZSBiZXN0IHdlIGNhbiBkbyBub3csIGlzIHdhaXQgZm9yIC1yYzEgYW5k IG1hbnVhbGx5IHNlbmQgdGhlIGNvbW1pdCB0bwo+Pj4+PiBzdGFibGUuCj4+Pj4+Cj4+Pj4KPj4+ PiBUaGF0J3MgZmluZS4gVGhhbmtzLgo+Pj4+Cj4+Pgo+Pj4gU2FtZSBpc3N1ZSBzZWVuIGluIGR3 YzNfZ2FkZ2V0X2VwX2RlcXVldWUoKSBmdW5jdGlvbiB3aGVyZSBhbHNvIHVzZWQKPj4+IHdhaXRf ZXZlbnRfbG9ja19pcnEoKSAtIGFzIHJlc3VsdCBpbmZpbml0ZSBsb29wLgo+PiAKPj4gaG93IGRp ZCB0aGlzIGhhcHBlbj8gRHVyaW5nIHJtbW9kIGR3YzM/IE9yLCBwZXJoYXBzLCBhZnRlciB5b3Ug dW5sb2FkZWQKPj4gYSBnYWRnZXQgZHJpdmVyPwo+PiAKPiBObywgbm90IGR1cmluZyBybW1vZCdz Lgo+IFdlIHVzaW5nIG91ciBpbnRlcm5hbCBVU0IgdGVzdGluZyB0b29sLiBUZXN0IGNhc2U7IElT T0MgT1VULCB0cmFuc2ZlciAKPiBzaXplIE4gZnJhbWVzLiBXaGVuIGhvc3Qgc3RhcnRzIElTT0Mg T1VUIHRyYWZmaWMgdGhlbiB0aGUgZHdjMyBiYXNlZCBvbiAKPiAiVHJhbnNmZXIgbm90IHJlYWR5 IiBldmVudCBpbiBmcmFtZSBGIHN0YXJ0cyB0cmFuc2ZlcnMgc3RhcmluZyBmcm9tIAo+IGZyYW1l IEYrNCAoZm9yIGJJbnRlcnZhbD0xKSBhcyByZXN1bHQgNCByZXF1ZXN0cywgd2hpY2ggYWxyZWFk eSBxdWV1ZWQgCj4gb24gZGV2aWNlIHNpZGUsIHJlbWFpbiBpbmNvbXBsZXRlLiBGdW5jdGlvbiBk cml2ZXIgb24gc29tZSB0aW1lb3V0IAo+IHRyeWluZyBkZXF1ZXVlIHRoZXNlIDQgcmVxdWVzdHMg KHdpdGhvdXQgZGlzYWJsaW5nIEVQKSB0byBjb21wbGV0ZSB0ZXN0Lgo+IEZvciBJTiBJU09DJ3Mg dGhlc2UgcmVxdWVzdHMgY29tcGxldGVkIG9uIE1JU1NFRCBJU09DIGV2ZW50LCBidXQgZm9yIAo+ IElTT0MgT1VUIHJlcXVpcmVkIGNhbGwgZGVxdWV1ZSBvbiBzb21lIHRpbWVvdXQuCgpva2F5Cgo+ Pj4gQWN0dWFsbHkgdG8gZml4IHRoaXMgaXNzdWUgSSB1cGRhdGVkIGNvbmRpdGlvbiBvZiB3YWl0 IGZ1bmN0aW9uCj4+PiBmcm9tOgo+Pj4gIShkZXAtPmZsYWdzICYgRFdDM19FUF9FTkRfVFJBTlNG RVJfUEVORElORykKPj4+IHRvOgo+Pj4gIShkZXAtPmZsYWdzICYgRFdDM19FUF9FTkRfVFJBTlNG RVJfUEVORElORyAmIERXQzNfRVBfRU5BQkxFRCkKPj4gCj4+IHlvdSdyZSBub3QgZml4aW5nIGFu eXRoaW5nLiBZb3UncmUsIGVzc2VudGlhbGx5LCByZW1vdmluZyB0aGUgZW50aXJlCj4+IGVuZCB0 cmFuc2ZlciBwZW5kaW5nIGxvZ2ljLiAKPiB5ZXMsIHlvdSBhcmUgcmlnaHQsIGJ1dCBob3cgdG8g b3ZlcmNvbWUgdGhpcyBpbmZpbml0ZSBsb29wPyBSZXBsYWNlIAo+IHdhaXRfZXZlbnRfbG9ja19p cnEoKSBieSAgd2FpdF9ldmVudF9pbnRlcnJ1cHRpYmxlX2xvY2tfaXJxX3RpbWVvdXQoKT8KClRo ZSBiZXN0IHdheSBoZXJlIHdvdWxkIGJlIHRvIGZpZ3VyZSB3aHkgd2UncmUgbWlzc2luZyBjb21t YW5kIGNvbXBsZXRlCklSUSBpbiB0aG9zZSBjYXNlcy4gQWNjb3JkaW5nIHRvIGRvY3VtZW50YXRp b24sIHdlICpzaG91bGQqIHJlY2VpdmUgdGhhdAppbnRlcnJ1cHQsIHNvIHdoeSBpcyBpdCBtaXNz aW5nPwo=