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: [v4,6/6] usb:cdns3 Fix for stuck packets in on-chip OUT buffer. From: Roger Quadros Message-Id: <70967a02-2f02-9ac8-e205-cdbfac5fbbae@ti.com> Date: Mon, 4 Mar 2019 12:25:15 +0200 To: Felipe Balbi , Pawel Laszczak , "devicetree@vger.kernel.org" Cc: "gregkh@linuxfoundation.org" , "mark.rutland@arm.com" , "linux-usb@vger.kernel.org" , "hdegoede@redhat.com" , "heikki.krogerus@linux.intel.com" , "andy.shevchenko@gmail.com" , "robh+dt@kernel.org" , "linux-kernel@vger.kernel.org" , "jbergsagel@ti.com" , "nsekhar@ti.com" , "nm@ti.com" , Suresh Punnoose , "peter.chen@nxp.com" , Rahul Kumar List-ID: SGksCgpPbiAyMS8wMi8yMDE5IDA5OjE0LCBGZWxpcGUgQmFsYmkgd3JvdGU6Cj4gCj4gSGksCj4g Cj4gKHBsZWFzZSBicmVhayB5b3VyIGVtYWlscyBhdCA4MC1jb2x1bW5zKQo+IAo+IFBhd2VsIExh c3pjemFrIDxwYXdlbGxAY2FkZW5jZS5jb20+IHdyaXRlczoKPj4+PiBPbmUgbW9yZSB0aGluZy4g V29ya2Fyb3VuZCBoYXMgaW1wbGVtZW50ZWQgYWxnb3JpdGhtIHRoYXQgZGVjaWRlIGZvciB3aGlj aAo+Pj4+IGVuZHBvaW50IGl0IHNob3VsZCBiZSBlbmFibGVkLiAgZS5nIGZvciBjb21wb3NpdGUg ZGV2aWNlIE1TQytOQ00rQUNNIGl0Cj4+Pj4gc2hvdWxkIHdvcmsgb25seSBmb3IgQUNNIE9VVCBl bmRwb2ludC4KPj4+Pgo+Pj4KPj4+IElmIEFDTSBkcml2ZXIgZGlkbid0IHF1ZXVlIHRoZSByZXF1 ZXN0IGZvciBBQ00gT1VUIGVuZHBvaW50LCB3aHkgZG9lcyB0aGUKPj4+IGNvbnRyb2xsZXIgYWNj ZXB0IHRoZSBkYXRhIGF0IGFsbD8KPj4+Cj4+PiBJIGRpZG4ndCB1bmRlcnN0YW5kIHdoeSB3ZSBu ZWVkIGEgd29ya2Fyb3VuZCBmb3IgdGhpcy4gSXQgc2hvdWxkIGJlIHN0YW5kYXJkCj4+PiBiZWhh dmlvdXIgdG8gTkFLIGRhdGEgaWYgZnVuY3Rpb24gZHJpdmVyIGRpZG4ndCByZXF1ZXN0IGZvciBh bGwgZW5kcG9pbnRzLgo+Pgo+PiBZZXMsIEkgYWdyZWUgd2l0aCB5b3UuIENvbnRyb2xsZXIgc2hv dWxkbuKAmXQgYWNjZXB0IHN1Y2ggcGFja2V0LiBBcyBJIGtub3cgdGhpcwo+PiBiZWhhdmlvciB3 aWxsIGJlIGZpeGVkIGluIFJUTC4KPj4KPj4gQnV0IEkgYXNzdW1lIHRoYXQgc29tZSBvbGRlciB2 ZXJzaW9uIG9mIHRoaXMgY29udHJvbGxlciBhcmUgb25lIHRoZSBtYXJrZXQsCj4+IGFuZCBkcml2 ZXIgc2hvdWxkIHdvcmsgY29ycmVjdCB3aXRoIHRoZW0uCj4+Cj4+IEluIHRoZSBmZWF0dXJlIHRo aXMgd29ya2Fyb3VuZCBjYW4gYmUgbGltaXRlZCBvbmx5IHRvIHNlbGVjdGVkIGNvbnRyb2xsZXJz Lgo+Pgo+PiBFdmVuIG5vdyBJIGFzc3VtZSB0aGF0IGl0IGNhbiBiZSBlbmFibGVkL2Rpc2FibGVk IGJ5IG1vZHVsZSBwYXJhbWV0ZXIuCj4gCj4gbm8gbW9kdWxlIHBhcmFtZXRlcnMsIHBsZWFzZS4g VXNlIHJldmlzaW9uIGRldGVjdGlvbiBpbiBydW50aW1lLgo+IAoKVGhpcyBpcyBhYm91dCB3aGV0 aGVyIHRvIGVuYWJsZSBvciBkaXNhYmxlIHRoZSB3b3JrYXJvdW5kLgpCeSBkZWZhdWx0IHdlIGRv bid0IHdhbnQgdGhpcyB3b3JrYXJvdW5kIHRvIGJlIGVuYWJsZWQuCgpJJ20gZGViYXRpbmcgd2hl dGhlciB3ZSBzaG91bGQgaGF2ZSB0aGlzIHdvcmthcm91bmQgYXQgYWxsIG9yIG5vdC4KCkl0IGhh cyB0aGUgZm9sbG93aW5nIHByb2JsZW1zLgoKMSkgSXQgQUNLcyBwYWNrZXRzIGV2ZW4gd2hlbiBn YWRnZXQgZW5kIGlzIG5vdCByZWFkeSB0byBhY2NlcHQgdGhlIHRyYW5zZmVycy4KMikgSXQgc3Rv cmVzIHRoZXNlIHBhY2tldHMgaW4gYSB0ZW1wb3JhcnkgYnVmZmVyIGFuZCB0aGVuIHB1c2hlcyB0 aGVtIHRvIHRoZQpnYWRnZXQgZHJpdmVyIHdoZW5ldmVyIHRoZSBnYWRnZXQgZHJpdmVyIGlzIHJl YWR5IHRvIHByb2Nlc3MgdGhlIGRhdGEuCjMpIFNpbmNlIHRoZSBnYWRnZXQgZHJpdmVyIGNhbiBi ZWNvbWUgcmVhZHkgYXQgYW4gaW5kZWZpbml0ZSB0aW1lIGluIHRoZQpmdXR1cmUsIGl0IHBvc2Vz IDIgcHJvYmxlbXM6CiBhKSBJdCBpcyBzZW5kaW5nIHN0YWxlIGRhdGEgdG8gdGhlIHNpbmsuIChw cm9ibGVtYXRpYyBhdCBuZXh0IHByb3RvY29sIGxldmVsPykKIGIpIElmIHRoaXMgdGVtcG9yYXJ5 IGJ1ZmZlciBydW5zIG91dCB3ZSBzdGlsbCBoaXQgdGhlIGxvY2sgdXAgaXNzdWUuCgpJIHRoaW5r IHRoZSByaWdodCBzb2x1dGlvbiBpcyB0byBtYWtlIHN1cmUgdGhhdCB0aGUgZ2FkZ2V0IGRyaXZl ciBpcyBhbHdheXMKcmVhZGluZyBhbGwgdGhlIGVuYWJsZWQgT1VUIGVuZHBvaW50cyAqb3IqIChr ZWVwIHRoZSBPVVQgZW5kcG9pbnRzIGRpc2FibGVkCmlmIGdhZGdldCBkcml2ZXIgaXMgbm90IHJl YWR5IHRvIHByb2Nlc3MgT1VUIHRyYW5zZmVycykuCgpjaGVlcnMsCi1yb2dlcgo=