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: <87zi38438h.fsf@linux.intel.com> Date: Fri, 16 Mar 2018 14:25:02 +0200 To: Minas Harutyunyan , Roger Quadros Cc: "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" List-ID: SGksCgpNaW5hcyBIYXJ1dHl1bnlhbiA8TWluYXMuSGFydXR5dW55YW5Ac3lub3BzeXMuY29tPiB3 cml0ZXM6Cj4+Pj4gT24gMDkvMDMvMTggMTQ6NDcsIFJvZ2VyIFF1YWRyb3Mgd3JvdGU6Cj4+Pj4+ IEluIHRoZSBmb2xsb3dpbmcgdGVzdCB3ZSBnZXQgc3R1Y2sgYnkgc2xlZXBpbmcgZm9yZXZlciBp biBfZHdjM19zZXRfbW9kZSgpCj4+Pj4+IGFmdGVyIHdoaWNoIGR1YWwtcm9sZSBzd2l0Y2hpbmcg ZG9lc24ndCB3b3JrLgo+Pj4+Pgo+Pj4+PiBPbiBkcmE3LWV2bSdzIGR1YWwtcm9sZSBwb3J0LAo+ Pj4+PiAtIExvYWQgZ196ZXJvIGdhZGdldCBkcml2ZXIgYW5kIGVudW1lcmF0ZSB0byBob3N0Cj4+ Pj4+IC0gc3VzcGVuZCB0byBtZW0KPj4+Pj4gLSBkaXNjb25uZWN0IFVTQiBjYWJsZSB0byBob3N0 IGFuZCBjb25uZWN0IG90ZyBjYWJsZSB3aXRoIFBlbiBkcml2ZSBpbiBpdC4KPj4+Pj4gLSByZXN1 bWUgc3lzdGVtCj4+Pj4+IC0gd2Ugc2xlZXAgaW5kZWZpbml0ZWx5IGluIF9kd2MzX3NldF9tb2Rl IGR1ZSB0by4KPj4+Pj4gICAgZHdjM19nYWRnZXRfZXhpdCgpLT51c2JfZGVsX2dhZGdldF91ZGMo KS0+dWRjX3N0b3AoKS0+Cj4+Pj4+IAlkd2MzX2dhZGdldF9zdG9wKCktPndhaXRfZXZlbnRfbG9j a19pcnEoKQo+Pj4+Pgo+Pj4+PiBUbyBmaXggdGhpcyBpbnN0ZWFkIG9mIHdhaXRpbmcgaW5kZWZp bml0ZWx5IHdpdGggd2FpdF9ldmVudF9sb2NrX2lycSgpCj4+Pj4+IHdlIHVzZSB3YWl0X2V2ZW50 X2ludGVycnVwdGlibGVfbG9ja19pcnFfdGltZW91dCgpIGFuZCBwcmludAo+Pj4+PiBhbmQgZXJy b3IgbWVzc2FnZSBpZiB0aGVyZSB3YXMgYSB0aW1lb3V0Lgo+Pj4+Pgo+Pj4+PiBTaWduZWQtb2Zm LWJ5OiBSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPgo+Pj4+Cj4+Pj4gVGhhbmtzIGZvciBw aWNraW5nIHRoaXMgZm9yIC1uZXh0Lgo+Pj4+IElzIGl0IGJldHRlciB0byBoYXZlIHRoaXMgaW4g djQuMTYtcmMgZml4ZXM/Cj4+Pj4gYW5kIGFsc28gc3RhYmxlPyB2NC4xMisKPj4+Cj4+PiBXZWxs LCB0aGVyZSB3YXMgbm8gIkZpeGVzOiBmb29iYXIiIG9yICJDYzogc3RhYmxlIiBsaW5lcyBpbiB0 aGUgY29tbWl0Cj4+PiBsb2cgOy0pCj4+Pgo+Pj4gVGhlIGJlc3Qgd2UgY2FuIGRvIG5vdywgaXMg d2FpdCBmb3IgLXJjMSBhbmQgbWFudWFsbHkgc2VuZCB0aGUgY29tbWl0IHRvCj4+PiBzdGFibGUu Cj4+Pgo+PiAKPj4gVGhhdCdzIGZpbmUuIFRoYW5rcy4KPj4gCj4KPiBTYW1lIGlzc3VlIHNlZW4g aW4gZHdjM19nYWRnZXRfZXBfZGVxdWV1ZSgpIGZ1bmN0aW9uIHdoZXJlIGFsc28gdXNlZCAKPiB3 YWl0X2V2ZW50X2xvY2tfaXJxKCkgLSBhcyByZXN1bHQgaW5maW5pdGUgbG9vcC4KCmhvdyBkaWQg dGhpcyBoYXBwZW4/IER1cmluZyBybW1vZCBkd2MzPyBPciwgcGVyaGFwcywgYWZ0ZXIgeW91IHVu bG9hZGVkCmEgZ2FkZ2V0IGRyaXZlcj8KCj4gQWN0dWFsbHkgdG8gZml4IHRoaXMgaXNzdWUgSSB1 cGRhdGVkIGNvbmRpdGlvbiBvZiB3YWl0IGZ1bmN0aW9uCj4gZnJvbToKPiAhKGRlcC0+ZmxhZ3Mg JiBEV0MzX0VQX0VORF9UUkFOU0ZFUl9QRU5ESU5HKQo+IHRvOgo+ICEoZGVwLT5mbGFncyAmIERX QzNfRVBfRU5EX1RSQU5TRkVSX1BFTkRJTkcgJiBEV0MzX0VQX0VOQUJMRUQpCgp5b3UncmUgbm90 IGZpeGluZyBhbnl0aGluZy4gWW91J3JlLCBlc3NlbnRpYWxseSwgcmVtb3ZpbmcgdGhlIGVudGly ZQplbmQgdHJhbnNmZXIgcGVuZGluZyBsb2dpYy4gVGhlIHdob2xlIGlkZWEgb2YgdGhpcyBpcyB0 aGF0IHdlIGNhbgpkaXNhYmxlIHRoZSBlbmRwb2ludCBhbmQgd2FpdCBmb3IgdGhlIEVuZCBUcmFu c2ZlciBpbnRlcnJ1cHQuIFdoZW4geW91CmFkZCBhIGNoZWNrIGZvciB0aGUgZW5kcG9pbnQgYmVp bmcgZW5hYmxlZCwgdGhlbiB0aGF0IGNvZGUgd2lsbCBuZXZlcgpydW4gYW5kLCB0aHVzLCBuZXZl ciB3YWl0IGZvciB0aGUgRW5kIFRyYW5zZmVyIElSUS4KCklmIHlvdSBtYW5hZ2UgdG8gZmluZCBh IG1vcmUgcmVsaWFibGUgd2F5IG9mIHJlcHJvZHVjaW5nIHRoaXMsIHRoZW4gbWFrZQpzdXJlIHRv IGNhcHR1cmUgZHdjMyB0cmFjZXBvaW50cyAoc2VlIHRoZSBkb2N1bWVudGF0aW9uIGZvciBkZXRh aWxzKSBhbmQKbGV0J3Mgc3RhcnQgdHJ5aW5nIHRvIGZpZ3VyZSBvdXQgd2hhdCdzIGdvaW5nIG9u LgoKY2hlZXJzCg==