From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sowjanya Komatineni Subject: RE: [PATCH V7 3/5] i2c: tegra: Add DMA Support Date: Thu, 31 Jan 2019 03:34:59 +0000 Message-ID: References: <1548864096-20974-1-git-send-email-skomatineni@nvidia.com> <1548864096-20974-3-git-send-email-skomatineni@nvidia.com> <1f10cb76-59a1-93c5-ae03-ccc0cd8db1a3@gmail.com> <725aece7-d3f2-c26f-4af4-200d8b507123@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <725aece7-d3f2-c26f-4af4-200d8b507123@gmail.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Dmitry Osipenko , "thierry.reding@gmail.com" , Jonathan Hunter , Mantravadi Karthik , Shardar Mohammed , Timo Alho Cc: "linux-tegra@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-i2c@vger.kernel.org" List-Id: linux-tegra@vger.kernel.org PiBJMkNfSU5UX0FMTF9QQUNLRVRTX1hGRVJfQ09NUExFVEUgc2hhbGwgYmUgbWFza2VkIGZvciB0 aGUgUElPIG1vZGUNCj4gSTJDX0lOVF9QQUNLRVRfWEZFUl9DT01QTEVURSBzaGFsbCBiZSBtYXNr ZWQgZm9yIHRoZSBETUEgbW9kZSwgaWYgSSdtIG5vdCBtaXNzaW5nIHNvbWV0aGluZy4NCj4NCmZv ciBwYWNrZXRzIHdpdGggcmVwZWF0ZWQgc3RhcnQgb3IgY29udGludWUgeGZlciwgUEFDS0VUX1hG RVJfQ09NUExFVEUgd2lsbCBiZSB0cmlnZ2Vycw0KZm9yIHBhY2tldHMgd2l0aCBzdG9wIGJpdCwg Ym90aCBQQUNLRVRfWEZFUl9DT01QTEVURSBhbmQgQUxMX1BBQ0tFVF9YRkVSX0NPTVBMRVRFIHdp bGwgYmUgdHJpZ2dlcmVkLg0KVG8gYmUgYWxpZ24gd2l0aCB3aGF0IFBJTyBtb2RlIGlzIGRvaW5n LCB3aWxsIG5vdCB1c2UgQUxMX1BBQ0tFVFNfWEZFUl9DT01QTEVURSBmb3IgRE1BIGluIG5leHQg dmVyc2lvbi4gDQoNCj4NCj4gSGFuZGxlIHRoZSBlcnJvci1jYXNlIGhlcmU6DQo+DQo+CWlmIChp MmNfZGV2LT5tc2dfZXJyICE9IEkyQ19FUlJfTk9ORSkgew0KPgkJZGV2X2VycihpMmNfZGV2LT5k ZXYsICJpMmMgZG1hIHRyYW5zZmVyIGZhaWxlZFxuIik7DQo+CQlnb3RvIGkyY19yZWNvdmVyOw0K Pgl9DQo+DQo+Li4uDQo+CTwtLS0gZW5kIG9mIHRlZ3JhX2kyY194ZmVyX21zZygpIC0tPg0KPg0K PglpZiAobGlrZWx5KGkyY19kZXYtPm1zZ19lcnIgPT0gSTJDX0VSUl9OT05FKSkNCj4JCXJldHVy biAwOw0KPg0KPiBpMmNfcmVjb3ZlcjoNCj4JdGVncmFfaTJjX2luaXQoaTJjX2Rldik7DQo+CS8q IHN0YXJ0IHJlY292ZXJ5IHVwb24gYXJiaXRyYXRpb24gbG9zcyBpbiBzaW5nbGUgbWFzdGVyIG1v ZGUgKi8NCj4JaWYgKGkyY19kZXYtPm1zZ19lcnIgPT0gSTJDX0VSUl9BUkJJVFJBVElPTl9MT1NU KSB7DQo+CQlpZiAoIWkyY19kZXYtPmlzX211bHRpbWFzdGVyX21vZGUpDQo+CQkJcmV0dXJuIHRl Z3JhX2kyY19pc3N1ZV9idXNfY2xlYXIoaTJjX2Rldik7DQo+CQlyZXR1cm4gLUVBR0FJTjsNCj4J fQ0KPglpZiAoaTJjX2Rldi0+bXNnX2VyciA9PSBJMkNfRVJSX05PX0FDSykgew0KPgkJaWYgKG1z Zy0+ZmxhZ3MgJiBJMkNfTV9JR05PUkVfTkFLKQ0KPgkJCXJldHVybiAwOw0KPgkJcmV0dXJuIC1F UkVNT1RFSU87DQo+CX0NCj4NCj4JcmV0dXJuIC1FSU87DQoNCldoZW4gRE1BIHRyYW5zZmVyIHRp bWVvdXQsIG5vIG5lZWQgdG8gY2hlY2sgZm9yIEFSQiBMT1NUIG9yIE5PX0FDSyBhcyBpZiBhbnkg b2YgdGhvc2UgaW50ZXJydXB0cyB0cmlnZ2VyIGludGVycnVwdCBoYW5kbGVyIHdpbGwgdGVybWlu YXRlIGRtYWVuZ2luZSBhbmQgY29tcGxldGVzIHNvIERNQSB0aW1lb3V0IHdpbGwgbm90IGJlIHNl ZW4gaW4gdGhvc2UgY2FzZXMgYW5kIGZhbGxzIHRocnUgbXNnX2VyciBjaGVjaw0KDQo=