From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?B?RmFuZyBIb25namllKOaWuea0quadsCk=?= Subject: RE: [PATCH V2] mmc: core: improve reasonableness of bus width setting for HS400es Date: Mon, 16 Jul 2018 11:01:33 +0000 Message-ID: References: <1531278049-22213-1-git-send-email-hongjiefang@asrmicro.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: zh-CN Sender: linux-kernel-owner@vger.kernel.org To: Ulf Hansson Cc: Adrian Hunter , Shawn Lin , Linus Walleij , Wolfram Sang , Bastian Stender , Jin Qian , Chanho Min , Kyle Roeschley , "linux-mmc@vger.kernel.org" , Linux Kernel Mailing List List-Id: linux-mmc@vger.kernel.org PiBPbiAxMSBKdWx5IDIwMTggYXQgMDU6MDAsIEhvbmdqaWUgRmFuZyA8aG9uZ2ppZWZhbmdAYXNy bWljcm8uY29tPiB3cm90ZToNCj4gPiBtbWNfc2VsZWN0X2hzNDAwZXMoKSBjYWxscyBtbWNfc2Vs ZWN0X2J1c193aWR0aCgpIHdoaWNoIHdpbGwgY29udGludWUNCj4gPiB0byBzZXQgNGJpdCB0cmFu c2ZlciBtb2RlIGlmIGZhaWwgdG8gc2V0IDhiaXQgbW9kZS4gVGhlIGJ1cyB3aWR0aA0KPiA+IHNo b3VsZCBub3QgYmUgc2V0IHRvIDRiaXQgaW4gSFM0MDBlcy4NCj4gPg0KPiA+IFdoZW4gZmFpbCB0 byBzZXQgOGJpdCBtb2RlLCBuZWVkIHJldHVybiBlcnJvciBkaXJlY3RseSBmb3IgSFM0MDBlcy4N Cj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IEhvbmdqaWUgRmFuZyA8aG9uZ2ppZWZhbmdAYXNybWlj cm8uY29tPg0KPiA+IC0tLQ0KPiA+ICBkcml2ZXJzL21tYy9jb3JlL21tYy5jIHwgNSArKysrLQ0K PiA+ICAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+ID4N Cj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9tbWMvY29yZS9tbWMuYyBiL2RyaXZlcnMvbW1jL2Nv cmUvbW1jLmMNCj4gPiBpbmRleCA0NDY2ZjVkLi40YmQ2YzA5IDEwMDY0NA0KPiA+IC0tLSBhL2Ry aXZlcnMvbW1jL2NvcmUvbW1jLmMNCj4gPiArKysgYi9kcml2ZXJzL21tYy9jb3JlL21tYy5jDQo+ ID4gQEAgLTEwMjEsOCArMTAyMSwxMSBAQCBzdGF0aWMgaW50IG1tY19zZWxlY3RfYnVzX3dpZHRo KHN0cnVjdCBtbWNfY2FyZCAqY2FyZCkNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICBFWFRfQ1NEX0JVU19XSURUSCwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICBleHRfY3NkX2JpdHNbaWR4XSwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICBjYXJkLT5leHRfY3NkLmdlbmVyaWNfY21kNl90aW1lKTsNCj4gPiAtICAgICAgICAgICAg ICAgaWYgKGVycikNCj4gPiArICAgICAgICAgICAgICAgaWYgKGVycikgew0KPiA+ICsgICAgICAg ICAgICAgICAgICAgICAgIGlmIChjYXJkLT5tbWNfYXZhaWxfdHlwZSAmIEVYVF9DU0RfQ0FSRF9U WVBFX0hTNDAwRVMpDQo+ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICByZXR1cm4g ZXJyOw0KPiA+ICAgICAgICAgICAgICAgICAgICAgICAgIGNvbnRpbnVlOw0KPiA+ICsgICAgICAg ICAgICAgICB9DQo+IA0KPiBJIHdvdWxkIHJhdGhlciBsZXQgbW1jX3NlbGVjdF9oczQwMGVzKCkg Y2hlY2sgdGhlIHJldHVybiBjb2RlIGZyb20NCj4gbW1jX3NlbGVjdF9idXNfd2lkdGgoKS4NCj4g DQo+IFNvLCBpZiB0aGUgcmV0dXJuIGNvZGUgaXNuJ3QgTU1DX0JVU19XSURUSF84LCBtbWNfc2Vs ZWN0X2hzNDAwZXMoKQ0KPiBzaG91bGQgYmFpbCBvdXQuDQoNClllYWgsIGl0IGlzIGJldHRlciB0 aGF0IGxldCBtbWNfc2VsZWN0X2hzNDAwZXMoKSBjaGVjayB0aGUgcmV0dXJuIHZhbHVlLg0KSSB3 aWxsIHVwZGF0ZSB0aGUgcGF0Y2guDQoNCj4gDQo+IFsuLi5dDQo+IA0KPiBLaW5kIHJlZ2FyZHMN Cj4gVWZmZQ0KDQoNCkImUg0KSG9uZ2ppZQ0K