From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Oliver Neukum To: Marcel Holtmann Subject: Re: btusb autosuspend and circular lock dep Date: Mon, 24 Aug 2009 14:29:47 +0200 Cc: linux-bluetooth@vger.kernel.org, linux-usb@vger.kernel.org, Sarah Sharp , Arjan Van De Ven , saharabeara@gmail.com References: <20090615175435.GA4772@gamba.jf.intel.com> <200908241149.34224.oliver@neukum.org> <1251108975.2950.37.camel@localhost.localdomain> In-Reply-To: <1251108975.2950.37.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Message-Id: <200908241429.49498.oliver@neukum.org> List-ID: QW0gTW9udGFnLCAyNC4gQXVndXN0IDIwMDkgMTI6MTY6MTUgc2NocmllYiBNYXJjZWwgSG9sdG1h bm46Cj4gPiArc2tpcF93YWtpbmc6Cj4gPiCgoKCgoKB1c2JfYW5jaG9yX3VyYih1cmIsICZkYXRh LT50eF9hbmNob3IpOwo+ID4goAo+ID4goKCgoKCgZXJyID0gdXNiX3N1Ym1pdF91cmIodXJiLCBH RlBfQVRPTUlDKTsKPiA+IEBAIC02NDYsMTAgKzcyMywxMyBAQCBzdGF0aWMgaW50IGJ0dXNiX3Nl bmRfZnJhbWUoc3RydWN0IHNrX2J1ZmYgKnNrYikKPiA+IKCgoKCgoKCgoKCgoKCgQlRfRVJSKCIl cyB1cmIgJXAgc3VibWlzc2lvbiBmYWlsZWQiLCBoZGV2LT5uYW1lLCB1cmIpOwo+ID4goKCgoKCg oKCgoKCgoKBrZnJlZSh1cmItPnNldHVwX3BhY2tldCk7Cj4gPiCgoKCgoKCgoKCgoKCgoHVzYl91 bmFuY2hvcl91cmIodXJiKTsKPiA+ICugoKCgoH0gZWxzZSB7Cj4gPiAroKCgoKCgoKCgoKCgoHVz Yl9tYXJrX2xhc3RfYnVzeShkYXRhLT51ZGV2KTsKPiA+IKCgoKCgoH0KPiA+IKAKPiA+IKCgoKCg oHVzYl9mcmVlX3VyYih1cmIpOwo+ID4goAo+ID4gK291dDoKPiA+IKCgoKCgoHJldHVybiBlcnI7 Cj4gPiCgfQo+Cj4gUGxlYXNlIGNhbGwgdGhlIGxhYmVscyBzaW1wbHkgc2tpcCBhbmQgZG9uZS4K CkluIHRoaXMgcGFydGljdWxhciBjYXNlIHNraXBfd2FraW5nIHNlZW1zIHRvIGJlIGNsZWFyZXIg YmVjYXVzZSBpdAp0ZWxscyB5b3UgcmlnaHQgYXdheSB3aGF0IGlzIHNraXBwZWQuCgo+ID4gQEAg LTcyMSw4ICs4MDEsMTkgQEAgc3RhdGljIHZvaWQgYnR1c2Jfd29yayhzdHJ1Y3Qgd29ya19zdHJ1 Y3QgKndvcmspCj4gPiCgewo+ID4goKCgoKCgc3RydWN0IGJ0dXNiX2RhdGEgKmRhdGEgPSBjb250 YWluZXJfb2Yod29yaywgc3RydWN0IGJ0dXNiX2RhdGEsCj4gPiB3b3JrKTsgc3RydWN0IGhjaV9k ZXYgKmhkZXYgPSBkYXRhLT5oZGV2Owo+ID4gK6CgoKCgaW50IGVycjsKPiA+IKAKPiA+IKCgoKCg oGlmIChoZGV2LT5jb25uX2hhc2guc2NvX251bSA+IDApIHsKPiA+ICugoKCgoKCgoKCgoKCgaWYg KCFkYXRhLT5kaWRfaXNvX3Jlc3VtZSkgewo+ID4gK6CgoKCgoKCgoKCgoKCgoKCgoKCgoGVyciA9 IHVzYl9hdXRvcG1fZ2V0X2ludGVyZmFjZShkYXRhLT5pc29jKTsKPiA+ICugoKCgoKCgoKCgoKCg oKCgoKCgoKBpZiAoIWVycikgewo+ID4gK6CgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgZGF0 YS0+ZGlkX2lzb19yZXN1bWUgPSAxOwo+ID4gK6CgoKCgoKCgoKCgoKCgoKCgoKCgoH0gZWxzZSB7 Cj4gPiAroKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKBjbGVhcl9iaXQoQlRVU0JfSVNPQ19S VU5OSU5HLAo+ID4gJmRhdGEtPmZsYWdzKTsKPiA+ICugoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCg oKCgoHVzYl9raWxsX2FuY2hvcmVkX3VyYnMoJmRhdGEtPmlzb2NfYW5jaG9yKTsKPiA+ICugoKCg oKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoHJldHVybjsKPiA+ICugoKCgoKCgoKCgoKCgoKCgoKCg oKB9Cj4KPiBIYXZpbmcgdGhpcyBhcyBsaWtlIHRoaXMgaXMgc2ltcGxlciB0byByZWFkOgo+Cj4g oKCgoKCgoKCgoKCgoKCgoGlmIChlcnIgPCAwKSB7Cj4goKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCg Y2xlYXJfYml0KEJUVVNCX0lTT0NfUlVOTklORywgJmRhdGEtPmZsYWdzKTsKPiCgoKCgoKCgoKCg oKCgoKCgoKCgoKCgoKB1c2Jfa2lsbF9hbmNob3JlZF91cmJzKCZkYXRhLT5pc29jX2FuY2hvcik7 Cj4goKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgcmV0dXJuOwo+IKCgoKCgoKCgoKCgoKCgoKB9Cj4K PiCgoKCgoKCgoKCgoKCgoKCgZGF0YS0+ZGlkX2lzb19yZXN1bWUgPSAxOwoKRG8geW91IGdlbmVy YWxseSBwcmVmZXIgdGhlICJlbHNlIiBicmFuY2ggaW1wbGljaXQ/CgpUaGUgcmVzdCBpcyBkb25l LgoKCVJlZ2FyZHMKCQlPbGl2ZXIKCg==