From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dong, Chuanxiao" Subject: RE: [PATCH v3] mmc: core: try 1.8v signling in ddr mode if host and device Date: Wed, 3 Sep 2014 07:23:51 +0000 Message-ID: <17296D9F8FF2234F831FC3DF505A87A911B312FA@shsmsx102.ccr.corp.intel.com> References: <20140815032806.GA19745@intel.com> <17296D9F8FF2234F831FC3DF505A87A911B21734@shsmsx102.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com ([134.134.136.20]:23270 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755835AbaICHX4 (ORCPT ); Wed, 3 Sep 2014 03:23:56 -0400 In-Reply-To: Content-Language: en-US Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson , Jean-Michel Hautbois Cc: linux-mmc , "chris@printf.org" DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogbGludXgtbW1jLW93bmVy QHZnZXIua2VybmVsLm9yZw0KPiBbbWFpbHRvOmxpbnV4LW1tYy1vd25lckB2Z2VyLmtlcm5lbC5v cmddIE9uIEJlaGFsZiBPZiBVbGYgSGFuc3Nvbg0KPiBTZW50OiBXZWRuZXNkYXksIFNlcHRlbWJl ciAwMywgMjAxNCAzOjIxIFBNDQo+IFRvOiBKZWFuLU1pY2hlbCBIYXV0Ym9pczsgRG9uZywgQ2h1 YW54aWFvDQo+IENjOiBsaW51eC1tbWM7IGNocmlzQHByaW50Zi5vcmcNCj4gU3ViamVjdDogUmU6 IFtQQVRDSCB2M10gbW1jOiBjb3JlOiB0cnkgMS44diBzaWdubGluZyBpbiBkZHIgbW9kZSBpZiBo b3N0IGFuZA0KPiBkZXZpY2UNCj4gDQo+IE9uIDIgU2VwdGVtYmVyIDIwMTQgMTc6MzEsIEplYW4t TWljaGVsIEhhdXRib2lzIDxqaGF1dGJvaXNAZ21haWwuY29tPg0KPiB3cm90ZToNCj4gPiAyMDE0 LTA4LTE1IDEwOjM2IEdNVCswMjowMCBEb25nLCBDaHVhbnhpYW8NCj4gPGNodWFueGlhby5kb25n QGludGVsLmNvbT46DQo+ID4+DQo+ID4+DQo+ID4+PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0t LQ0KPiA+Pj4gRnJvbTogVWxmIEhhbnNzb24gW21haWx0bzp1bGYuaGFuc3NvbkBsaW5hcm8ub3Jn XQ0KPiA+Pj4gU2VudDogRnJpZGF5LCBBdWd1c3QgMTUsIDIwMTQgNDozNCBQTQ0KPiA+Pj4gVG86 IERvbmcsIENodWFueGlhbw0KPiA+Pj4gQ2M6IGxpbnV4LW1tYzsgY2hyaXNAcHJpbnRmLm9yZw0K PiA+Pj4gU3ViamVjdDogUmU6IFtQQVRDSCB2M10gbW1jOiBjb3JlOiB0cnkgMS44diBzaWdubGlu ZyBpbiBkZHIgbW9kZSBpZg0KPiA+Pj4gaG9zdCBhbmQgZGV2aWNlDQo+ID4+Pg0KPiA+Pj4gT24g MTUgQXVndXN0IDIwMTQgMDU6MjgsIENodWFueGlhbyBEb25nIDxjaHVhbnhpYW8uZG9uZ0BpbnRl bC5jb20+DQo+ID4+PiB3cm90ZToNCj4gPj4+ID4gRXZlbiAoZSlNTUMgY2FyZCBjYW4gc3VwcG9y dCAzLjN2IHRvIDEuMnYgdmNjcSBpbiBERFIsIGJ1dCBub3QgYWxsDQo+ID4+PiA+IGhvc3QgY29u dHJvbGxlciBjYW4gc3VwcG9ydCB0aGlzLCBsaWtlIHNvbWUgb2YgdGhlIFNESENJIGhvc3QNCj4g Pj4+ID4gd2hpY2ggY29ubmVjdCB0byBhbiBlTU1DIGRldmljZS4gU29tZSBvZiB0aGVzZSBob3N0 IGNvbnRyb2xsZXINCj4gPj4+ID4gc3RpbGwgbmVlZHMgdG8gdXNlIDEuOHYgdmNjcSBmb3Igc3Vw cG9ydGluZyBERFIgbW9kZS4NCj4gPj4+ID4NCj4gPj4+ID4gU28gdGhlIHNlcXVlbmNlIHdpbGwg YmU6DQo+ID4+PiA+IGlmIChob3N0IGFuZCBkZXZpY2UgY2FuIGJvdGggc3VwcG9ydCAxLjJ2IElP KQ0KPiA+Pj4gPiAgICAgICAgIHVzZSAxLjJ2IElPOw0KPiA+Pj4gPiBlbHNlIGlmIChob3N0IGFu ZCBkZXZpY2UgY2FuIGJvdGggc3VwcG9ydCAxLjh2IElPKQ0KPiA+Pj4gPiAgICAgICAgIHVzZSAx Ljh2IElPOw0KPiA+Pj4gPiBzbyBpZiBob3N0IGFuZCBkZXZpY2UgY2FuIG9ubHkgc3VwcG9ydCAz LjN2IElPLCB0aGlzIGlzIHRoZSBsYXN0IGNob2ljZS4NCj4gPj4+ID4NCj4gPj4+ID4gU2lnbmVk LW9mZi1ieTogQ2h1YW54aWFvIERvbmcgPGNodWFueGlhby5kb25nQGludGVsLmNvbT4NCj4gPj4+ ID4gU2lnbmVkLW9mZi1ieTogWXVucGVuZyBHYW8gPHl1bnBlbmcuZ2FvQGludGVsLmNvbT4NCj4g Pj4+DQo+ID4+PiBUaGlzIGxvb2tzIGdvb2QgdG8gbWUhIEJ1dCBiZWZvcmUgSSBxdWV1ZSBpdCBm b3IgMy4xOCBJIHdvdWxkDQo+ID4+PiBhcHByZWNpYXRlIGlmIHdlIGNvdWxkIGdldCBzb21lIGhl bHAgaW4gdGVzdGluZyB0aGlzIGZvciBzb21lDQo+ID4+PiB2YXJpb3VzIHBsYXRmb3JtcywgdGhh dCBzdXBwb3J0IE1NQyBERFIuDQo+ID4+DQo+ID4+IFRoYW5rcyBhIGxvdC4gQlRXLCB0aGlzIHBh dGNoIGlzIGFscmVhZHkgdGVzdGVkIG9uIEludGVsJ3MgcGxhdGZvcm0gd2hpY2ggY2FuDQo+IHN1 cHBvcnQgTU1DIEREUi4NCj4gPg0KPiA+IFRoaXMgcGF0Y2ggYXNzb2NpYXRlZCB3aXRoIHZxbW1j LXN1cHBseSBhbmQgdm1tYy1zdXBwbHkgaW4gdGhlIERUIGlzDQo+ID4gd29ya2luZyBmb3IgbWUg dG9vIG9uIGkuTVg2Lg0KPiA+IEpNDQo+IA0KPiBUaGFua3MhIEFwcGxpZWQgZm9yIG5leHQuDQo+ IA0KPiBJIHRvb2sgdGhlIGxpYmVydHkgb2YgdXBkYXRpbmcgdGhlIGNvbW1pdCBtc2cgaGVhZGVy IHRvICJtbWM6IGNvcmU6DQo+IEZpeCBzZXF1ZW5jZSBmb3IgSS9PIHZvbHRhZ2UgaW4gRERSIG1v ZGUgZm9yIGVNTUMiLCB0byBnZXQgYSBiZXR0ZXINCj4gZGVzY3JpcHRpb24gb2YgdGhlIHBhdGNo Lg0KPiANCj4gSSBhbHNvIGFkZGVkIGEgdGVzdGVkIGJ5IHRhZyBmcm9tICJKTSIuDQo+IA0KPiBQ bGVhc2UgdGVsbCBtZSBpZiB5b3UgaGF2ZSBhbnkgY29uY2VybiB3aXRoIG15IGNoYW5nZXMuDQpO byBjb25jZXJuIGZyb20gbXkgc2lkZS4NCg0KVGhhbmtzIEpNIGZvciB0ZXN0aW5nIHRoaXMgcGF0 Y2gsIGFuZCBhbHNvIHRoYW5rcyBVbGYgZm9yIG1ha2luZyB0aGlzIHBhdGNoIGJldHRlciA6KQ0K DQpUaGFua3MNCkNodWFueGlhbw0KDQo+IA0KPiBLaW5kIHJlZ2FyZHMNCj4gVWZmZQ0KPiAtLQ0K PiBUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3Jp YmUgbGludXgtbW1jIiBpbiB0aGUgYm9keQ0KPiBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZn ZXIua2VybmVsLm9yZyBNb3JlIG1ham9yZG9tbyBpbmZvIGF0DQo+IGh0dHA6Ly92Z2VyLmtlcm5l bC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbA0K