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: usb: dwc3: core: power on PHYs before initializing core From: Felipe Balbi Message-Id: <871sgtbp2a.fsf@linux.intel.com> Date: Fri, 09 Mar 2018 11:01:17 +0200 To: Roger Quadros , Brian Norris Cc: William Wu , gregkh@linuxfoundation.org, heiko@sntech.de, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-rockchip@lists.infradead.org, frank.wang@rock-chips.com, huangtao@rock-chips.com, dianders@google.com, briannorris@google.com, groeck@google.com, daniel.meng@rock-chips.com, John.Youn@synopsys.com, lin.huang@rock-chips.com List-ID: SGksCgpSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPiB3cml0ZXM6Cj4gSGksCj4KPiBPbiAw OC8wMy8xOCAxODo0OSwgQnJpYW4gTm9ycmlzIHdyb3RlOgo+PiBIaSwKPj4gCj4+IE9uIFRodSwg TWFyIDA4LCAyMDE4IGF0IDEyOjQzOjQwUE0gKzAyMDAsIEZlbGlwZSBCYWxiaSB3cm90ZToKPj4+ IFdpbGxpYW0gV3UgPHdpbGxpYW0ud3VAcm9jay1jaGlwcy5jb20+IHdyaXRlczoKPj4+PiBUaGUg ZHdjM19jb3JlX2luaXQoKSBnZXRzIHRoZSBQSFlzIGFuZCBpbml0aWFsaXplcyB0aGUgUEhZcyB3 aXRoCj4+Pj4gdGhlIHVzYl9waHlfaW5pdCgpIGFuZCBwaHlfaW5pdCgpIGZ1bmN0aW9ucyBiZWZv cmUgaW5pdGlhbGl6aW5nCj4+Pj4gY29yZSwgYW5kIHBvd2VyIG9uIHRoZSBQSFlzIGFmdGVyIGNv cmUgaW5pdGlhbGl6YXRpb24gaXMgZG9uZS4KPj4+Pgo+Pj4+IEhvd2V2ZXIsIHNvbWUgcGxhdGZv cm1zIChlLmcuIFJvY2tjaGlwIFJLMzM5OSBEV0MzIHdpdGggVHlwZS1DCj4+Pj4gVVNCMyBQSFkp LCBpdCBuZWVkcyB0byBkbyBzb21lIHNwZWNpYWwgb3BlcmF0aW9uIHdoaWxlIHBvd2VyIG9uCj4+ Pj4gdGhlIFR5cGUtQyBQSFkgYmVmb3JlIGluaXRpYWxpemluZyBEV0MzIGNvcmUuIEl0J3MgYmVj YXVzZSB0aGF0Cj4+Pj4gdGhlIFJLMzM5OSBUeXBlLUMgUEhZIHJlcXVpcmVzIHRvIGhvbGQgdGhl IERXQzMgY29udHJvbGxlciBpbgo+Pj4+IHJlc2V0IHN0YXRlIHRvIGtlZXAgdGhlIFBJUEUgcG93 ZXIgc3RhdGUgaW4gUDIgd2hpbGUgY29uZmlndXJpbmcKPj4+PiB0aGUgVHlwZS1DIFBIWSwgb3Ro ZXJ3aXNlLCBpdCBtYXkgY2F1c2Ugd2FpdGluZyBmb3IgdGhlIFBJUEUgcmVhZHkKPj4+PiB0aW1l b3V0LiBJbiB0aGlzIGNhc2UsIGlmIHdlIHBvd2VyIG9uIHRoZSBQSFlzIGFmdGVyIHRoZSBEV0Mz IGNvcmUKPj4+PiBpbml0aWFsaXphdGlvbiBpcyBkb25lLCB0aGUgY29yZSB3aWxsIGJlIHJlc2V0 IHRvIHVuaW5pdGlhbGl6ZWQKPj4+PiBzdGF0ZSBhZnRlciBwb3dlciBvbiB0aGUgUEhZcy4KPj4+ Pgo+Pj4+IEZpeCB0aGlzIGJ5IHBvd2VyaW5nIG9uIHRoZSBQSFlzIGJlZm9yZSBpbml0aWFsaXpp bmcgY29yZS4gQW5kCj4+Pj4gYmVjYXVzZSB0aGUgR1VJRCByZWdpc3RlciBtYXkgYWxzbyBiZSBy ZXNldCBpbiB0aGlzIGNhc2UsIHNvIHdlCj4+Pj4gbmVlZCB0byBjb25maWd1cmUgdGhlIEdVSUQg cmVnaXN0ZXIgYWZ0ZXIgcG93ZXJpbmcgb24gdGhlIFBIWXMuCj4+Pj4KPj4+PiBTaWduZWQtb2Zm LWJ5OiBXaWxsaWFtIFd1IDx3aWxsaWFtLnd1QHJvY2stY2hpcHMuY29tPgo+Pj4KPj4+IGRvZXMg dGhpcyBjYXVzZSBhbnkgcmVncmVzc2lvbnMgZm9yIHlvdXIgYm9hcmRzPwo+PiAKPj4gSSdtIG5v dCBSb2dlciwgYnV0IEkgYmVsaWV2ZSBpdCB3YXMgZGV0ZXJtaW5lZCB3ZSBkb24ndCBuZWVkIHRo aXMgZm9yCj4+IHRoZSBSb2NrY2hpcCBzeXN0ZW1zIGZvciB3aGljaCBXaWxsaWFtIHdhcyBvcmln aW5hbGx5IHNlbmRpbmcgdGhpcy4gQXQKPj4gbGVhc3Qgbm90IHJpZ2h0IG5vdy4gSSBiZWxpZXZl IG91ciBQSFkgaW5pdCBwcm9ibGVtcyB3ZXJlIG1vc3RseQo+PiByZXNvbHZlZCBpbiBvdGhlciB3 YXlzLgo+PiAKPj4gKEFsdGhvdWdoIEkgaGVhciBVU0IgaXMgY3VycmVudGx5IHByZXR0eSBicm9r ZW4gYXJvdW5kIHN1c3BlbmQvcmVzdW1lCj4+IGZvciB1cyBvbiAtbmV4dC4gTGlrZWx5IHVucmVs YXRlZC4pCj4+IAo+PiBJIGd1ZXNzIHdlIG5ldmVyIGNsZWFybHkgcmVwbGllZCBzdGF0aW5nIHRo ZSBhYm92ZS4gSSBob3BlIHRoaXMgaXNuJ3QKPj4gbWVyZ2VkIGFueXdoZXJlPyBPciBJIGd1ZXNz IGl0J3Mgbm8gcHJvYmxlbSB0byBtZSBhdCB0aGUgbW9tZW50LCBidXQgaXQKPj4gbWlnaHQgYmUg bmVlZGxlc3MgY2h1cm4uCj4+IAo+Cj4gSSBkaWQgc29tZSBxdWljayB0ZXN0cyBvbiBUSSBwbGF0 Zm9ybXMgYW5kIGRpZG4ndCBzZWUgYW55IGlzc3VlcyB3aXRoIHRoaXMgcGF0Y2guCj4gU2luY2Ug dGhpcyBwYXRjaCBpc24ndCByZWFsbHkgZml4aW5nIHlvdXIgcHJvYmxlbSBhbmQgd2UgZGlkbid0 IGhhdmUgYW55Cj4gcHJvYmxlbXMgdG8gc3RhcnQgd2l0aCBJJ2Qgc3VnZ2VzdCB0byBhdm9pZCB0 aGlzIGNodXJuIGZvciBub3cuCgpmYWlyIGVub3VnaCwgSSB3b24ndCBhcHBseSBpdCA6LSkK