From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trent Piepho Subject: Bug in spi: imx: Add support for SPI Slave mode Date: Tue, 26 Feb 2019 21:41:46 +0000 Message-ID: <1551217306.3075.188.camel@impinj.com> References: <20170905051232.21203-1-jiada_wang@mentor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "linux-spi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "stefan@agner.ch" To: "s.hauer@pengutronix.de" , "jiada_wang@mentor.com" , "fabio.estevam@nxp.com" , "broonie@kernel.org" Return-path: In-Reply-To: <20170905051232.21203-1-jiada_wang@mentor.com> Content-Language: en-US Content-ID: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org T24gVHVlLCAyMDE3LTA5LTA1IGF0IDE0OjEyICswOTAwLCBKaWFkYSBXYW5nIHdyb3RlOg0KPiBQ cmV2aW91c2x5IGkuTVggU1BJIGNvbnRyb2xsZXIgb25seSB3b3JrcyBpbiBNYXN0ZXIgbW9kZS4N Cj4gVGhpcyBwYXRjaCBhZGRzIHN1cHBvcnQgdG8gaS5NWDUxLCBpLk1YNTMgYW5kIGkuTVg2IEVD U1BJDQo+IGNvbnRyb2xsZXIgdG8gd29yayBhbHNvIGluIFNsYXZlIG1vZGUuDQoNClJlY2VudGx5 IERNQSBoYXMgYmVlbiBlbmFibGVkIGZvciBpbXg2Lzcgd2l0aCBTUEkuICBUaGlzIHJlc3VsdHMg aW4NCm1lbW9yeSBjb3JydXB0aW9uIGluIHNvbWUgaW5zdGFuY2VzIEkndmUgdHJhY2VkIHRoZSBw cm9ibGVtIHRvIHRoaXMNCnBhdGNoLg0KDQoNCj4gIHN0YXRpYyBpbnQgc3BpX2lteF90cmFuc2Zl cihzdHJ1Y3Qgc3BpX2RldmljZSAqc3BpLA0KPiAgCQkJCXN0cnVjdCBzcGlfdHJhbnNmZXIgKnRy YW5zZmVyKQ0KPiAgew0KPiAgCXN0cnVjdCBzcGlfaW14X2RhdGEgKnNwaV9pbXggPSBzcGlfbWFz dGVyX2dldF9kZXZkYXRhKHNwaS0+bWFzdGVyKTsNCj4gIA0KPiArCS8qIGZsdXNoIHJ4ZmlmbyBi ZWZvcmUgdHJhbnNmZXIgKi8NCj4gKwl3aGlsZSAoc3BpX2lteC0+ZGV2dHlwZV9kYXRhLT5yeF9h dmFpbGFibGUoc3BpX2lteCkpDQo+ICsJCXNwaV9pbXgtPnJ4KHNwaV9pbXgpOw0KPiArDQo+ICsJ aWYgKHNwaV9pbXgtPnNsYXZlX21vZGUpDQo+ICsJCXJldHVybiBzcGlfaW14X3Bpb190cmFuc2Zl cl9zbGF2ZShzcGksIHRyYW5zZmVyKTsNCj4gKw0KPiAgCWlmIChzcGlfaW14LT51c2VkbWEpDQo+ ICAJCXJldHVybiBzcGlfaW14X2RtYV90cmFuc2ZlcihzcGlfaW14LCB0cmFuc2Zlcik7DQo+ICAJ ZWxzZQ0KDQpUaGlzIGlzIGluIHRoZSBtYWluIHhmZXIgZnVuY3Rpb24gdGhhdCBpcyB1c2VkIGZv ciBib3RoIG1hc3RlciBtb2RlIGFuZA0Kc2xhdmUgbW9kZS4gIE5vcm1hbGx5IFJYIGRhdGEgaXMg cmVjZWl2ZWQgYWZ0ZXIgdGhlIHhmZXIgaXMgc3RhcnRlZCwgYXMNCnBhcnQgb2YgdGhlIHNwaV9p bXhfcGlvL2RtYV90cmFuc2ZlcigpIHByb2Nlc3MuICBCdXQgdGhpcyBwYXRjaCBoYXMNCmFkZGVk IGEgImZsdXNoIHJ4ZmlmbyIgY29tbWFuZCBiZWZvcmUgdGhpcy4gIFdoeT8NCg0KSWYgaXQncyBu ZWNlc3NhcnkgdG8gZW1wdHkgdGhlIGZpZm8gYmVmb3JlIGFuIHhmZXIsIHRoZW4gaG93IGRpZCB0 aGlzDQpkcml2ZXIgZXZlciB3b3JrIGJlZm9yZSB0aGlzIGNoYW5nZT8gIEkgc2VlIG5vIGNoYW5n ZSBhbnl3aGVyZSBlbHNlDQp0aGF0IHdvdWxkIG1ha2UgdGhpcyBhIG5ldyByZXF1aXJlbWVudC4N Cg0KSWYgdGhlIHJ4IGZpZm8gaXMgbm90IGVtcHR5LCBhbmQgdGhpcyBjb2RlIGFjdHVhbGx5IGRv ZXMgcnggc29tZXRoaW5nDQpmcm9tIHRoZSBmaWZvLCB0aGVuIGhvdyBjYW4gaXQgcG9zc2libHkg d29yayB0byBwbGFjZSBpdCBpbnRvIHRoZQ0KeGZlcidzIFJYIGJ1ZmZlcj8gSG93IGRvIHlvdSBr bm93IHRoZSBidWZmZXIgaXMgbGFyZ2UgZW5vdWdoIChpdCdzIG5vdCENCnRoYXQncyBteSBETUEg YnVnISk/ICBXb24ndCBpdCBvZmZzZXQgdGhlIGFjdHVhbCByeCBkYXRhIHRoYXQgY29tZXMNCmFm dGVyIGl0IGluIHRoZSB4ZmVyJ3MgYnVmZmVyPw0KDQpJbiBteSB0ZXN0LCBzd2l0Y2hpbmcgZnJv bSBETUEgdG8gUElPLCB3aGljaCBoYXBwZW5zIGlmIHRoZSAxc3QgeGZlciBpcw0KIGxhcmdlIGVu b3VnaCB0byBwYXNzIGEgPmZpZm8vMiBzaXplIHRlc3QsIGFuZCB1c2VzIERNQSwgYW5kIHRoZSAy bmQNCnhmZXIgaXMgc21hbGxlciwgYW5kIHdpbGwgdXNlIFBJTywgcmVzdWx0cyBpbiB0aGUgUElP IHhmZXIgdHJ5aW5nIHRvDQplbXB0eSB0aGUgcnggYnVmZmVyIGluIHRoaXMgY29kZSBhYm92ZS4g IElmIHRoZXJlIGlzIG5vdCBlbm91Z2ggc3BhY2UNCmluIHRoZSB4ZmVyJ3MgcnggYnVmZmVyLCBh bmQgdGhlcmUgaXMgbm8gcmVhc29uIGZvciB0aGVyZSB0byBiZSBhbnkNCnNwYWNlIGF0IGFsbCwg aXQgY2xvYmJlcnMgbWVtb3J5Lg0KDQpJIHN1c3BlY3QgdGhlIGF1dGhvciBvZiB0aGlzIHdhc24n dCBhd2FyZSB0aGF0IHNwaV9pbXgtPnJ4KCkgd2lsbCB3cml0ZQ0KdGhlIGRhdGEgcmVjZWl2ZWQg aW50byB0aGUgY3VycmVudCB4ZmVyJ3MgcnggYnVmZmVyIHJhdGhlciB0aGFuIHRocm93DQppdCBh d2F5LCBhbmQgbmV2ZXIgdGVzdGVkIHRoaXMgYWN0dWFsbHkgZ2V0dGluZyB1c2VkIGZvciBhIHRy YW5zZmVyDQp3aGVyZSB0aGUgcnggZGF0YSBtYXR0ZXJlZC4NCg0KU3RpbGwsIEknZCBsaWtlIHRv IGtub3cgd2h5IHRoZSBmbHVzaCByeCB0aGluZyBpcyBldmVuIGhlcmUuICBOb3RoaW5nDQppbiB0 aGUgY29tbWl0IG1lc3NhZ2Ugb3IgYW55IGRpc2N1c3Npb24gSSBjb3VsZCBmaW5kIGFkZHJlc3Nl ZCB0aGlzLg==