From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39C50C433EF for ; Mon, 20 Dec 2021 09:51:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230207AbhLTJvR (ORCPT ); Mon, 20 Dec 2021 04:51:17 -0500 Received: from mail.djicorp.com ([14.21.64.4]:51935 "EHLO mail.djicorp.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229831AbhLTJvQ (ORCPT ); Mon, 20 Dec 2021 04:51:16 -0500 X-Greylist: delayed 428 seconds by postgrey-1.27 at vger.kernel.org; Mon, 20 Dec 2021 04:51:15 EST IronPort-SDR: HH+t+sgVPi0c9RaNSjt/vox119lRxO8qkuSJ/v+gBmLI/t9kSJupKrwECbdApjH/bywq8QoDdP HOl1DmkNFc9w== X-IronPort-AV: E=Sophos;i="5.88,220,1635177600"; d="scan'208";a="12184666" From: wigin zeng To: Greg KH CC: "jirislaby@kernel.org" , "linux-serial@vger.kernel.org" , "linux-kernel@vger.kernel.org" , First Light Subject: =?utf-8?B?562U5aSNOiDnrZTlpI06IOetlOWkjTog562U5aSNOiBbUEFUQ0hdIHNlcmlh?= =?utf-8?Q?l:_8250:_add_lock_for_dma_rx?= Thread-Topic: =?utf-8?B?562U5aSNOiDnrZTlpI06IOetlOWkjTogW1BBVENIXSBzZXJpYWw6IDgyNTA6?= =?utf-8?Q?_add_lock_for_dma_rx?= Thread-Index: AQHX7M8cgUf9QibCHEeycmxSNUOEd6wpP9YAgACLx/D//4YHgIAAiJFw//+PM4CAEXtykP//udeAABInGiA= Date: Mon, 20 Dec 2021 09:44:04 +0000 Message-ID: References: <20211209073339.21694-1-wigin.zeng@dji.com> <674707a0388c4a3a9bb25676c61e1737@MAIL-MBX-cwP12.dji.com> <62dd5f2fedbb4332a4d04dea4970a347@MAIL-MBX-cwP12.dji.com> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [58.34.188.114] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PlRoYXQgbWFrZXMgbm8gc2Vuc2UsIGFzIHdoYXQgb3JkZXJzIHRoZSBkYXRhIGNvbWluZyBpbj8g IFRoZSAyIGJ5dGVzIGNvdWxkIGJlIGFkZGVkIHRvIHRoZSB0dHkgYnVmZmVyIGJlZm9yZSB0aGUg NTEyIGJ5dGVzLCBvciB0aGUgb3RoZXIgd2F5IGFyb3VuZC4NCg0KPldoYXQgaGFyZHdhcmUgYXJl IHlvdSB1c2luZyB0aGF0IGlzIG1peGluZyBkbWEgYW5kIGlycSBkYXRhIGxpa2UgdGhpcz8NCj5U aGF0IGZlZWxzIHZlcnkgd3JvbmcuDQoNCkl0IGlzIG5vdCBub3JtYWwgY2FzZSwgbm9ybWFsbHks IHRoZSBpbnB1dCBzaXplIHNob3VsZCBzbWFsbGVyIHRoYW4gRE1BIGJsb2NrIHNpemUgYW5kIERN QSBjb21wbGV0ZSB0aGUgd2hvbGUgY29weS4NCkhvd2V2ZXIsIHRoZXJlIGFyZSBzb21lIGFibm9y bWFsIHNpdHVhdGlvbnMuIFRoZSBleHRlcm5hbCBpbnB1dCBpcyB1bmV4cGVjdGVkbHkgbGFyZ2Vy IHRoYW4gdGhlIGRhdGEgbGVuZ3RoIG9mIHRoZSBETUEgY29uZmlndXJhdGlvbi4gVGhpcyBzaXR1 YXRpb24gaW4gbXkgZXhhbXBsZSB3aWxsIGFwcGVhciwgYW5kIGl0IG1heSBjYXVzZSB0aGUga2Vy bmVsIHRvIHBhbmljLg0KDQo+SWYgdGhleSBhcmUgcnVubmluZyBvbiBkaWZmZXJlbnQgY29yZXMs IHRoZW4geW91IHdpbGwgaGF2ZSBkYXRhIGNvcnJ1cHRpb24gaXNzdWVzIG5vIG1hdHRlciBpZiB5 b3UgaGF2ZSBhIGxvY2sgb3Igbm90LCBzbyB0aGlzIGlzIG5vdCB0aGUgY29ycmVjdCBzb2x1dGlv biBmb3IgdGhpcyBoYXJkd2FyZSBjb25maWd1cmF0aW9uIHByb2JsZW0uDQoNClRoZSBwdXJwb3Nl IG9mIGFkZGluZyBsb2NrIGlzIHRvIGVuc3VyZSB0aGF0IHRoZSBrZXJuZWwgd2lsbCBub3QgcGFu aWMgaW4gdGhpcyBleHRyZW1lIGNhc2UsIElmIHlvdSB3YW50IHRvIGVuc3VyZSB0aGUgaW50ZWdy aXR5IG9mIHRoZSBzZXJpYWwgcG9ydCBkYXRhLCB5b3UgbmVlZCB0byBhZGQgbW9yZSBmbG93IGNv bnRyb2wgbG9naWMNCg0KQlJzDQpXZWlqdW4NCi0tLS0t6YKu5Lu25Y6f5Lu2LS0tLS0NCuWPkeS7 tuS6ujogR3JlZyBLSCBbbWFpbHRvOmdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnXSANCuWPkemA geaXtumXtDogMjAyMeW5tDEy5pyIMjDml6UgMTY6NTUNCuaUtuS7tuS6ujogd2lnaW4gemVuZyA8 d2lnaW4uemVuZ0BkamkuY29tPg0K5oqE6YCBOiBqaXJpc2xhYnlAa2VybmVsLm9yZzsgbGludXgt c2VyaWFsQHZnZXIua2VybmVsLm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsgRmly c3QgTGlnaHQgPHhpYW9ndWFuZy5jaGVuQGRqaS5jb20+DQrkuLvpopg6IFJlOiDnrZTlpI06IOet lOWkjTog562U5aSNOiBbUEFUQ0hdIHNlcmlhbDogODI1MDogYWRkIGxvY2sgZm9yIGRtYSByeA0K DQrjgJBFWFRFUk5BTCBFTUFJTOOAkSBETyBOT1QgQ0xJQ0sgYW55IGxpbmtzIG9yIGF0dGFjaG1l bnRzIHVubGVzcyB5b3UgY2FuIG1ha2Ugc3VyZSBib3RoIHRoZSBzZW5kZXIgYW5kIHRoZSBjb250 ZW50IGFyZSB0cnVzdHdvcnRoeS4NCg0KDQrjgJDlpJbpg6jpgq7ku7bmj5DphpLjgJHku6XkuIvp gq7ku7bmnaXmupDkuo7lhazlj7jlpJbpg6jvvIzor7fli7/ngrnlh7vpk77mjqXmiJbpmYTku7bv vIzpmaTpnZ7mgqjnoa7orqTpgq7ku7blj5Hku7bkurrlkozlhoXlrrnlj6/kv6HjgIINCg0KDQoN Ck9uIE1vbiwgRGVjIDIwLCAyMDIxIGF0IDA1OjI3OjI0QU0gKzAwMDAsIHdpZ2luIHplbmcgd3Jv dGU6DQo+IFNvcnJ5IGZvciBsYXRlIHJlc3BvbnNlLg0KPg0KPiA+ID4+IFdoYXQgaXNzdWUgZXhh Y3RseT8NCj4gPiBUaGUgaW50ZXJ2YWwgb2YgVUFSVCBpbnB1dCBwYWNrYWdlcyBpcyB2ZXJ5IHNt YWxsKDFtc34gMTBtcyksIGFuZCBzb21lIHBhY2thZ2Ugc2l6ZSBsYXJnZXIgdGhhbiBjb25maWd1 cmVkIERNQSB0cmFuc2ZlciBzaXplLg0KPiA+V2hhdCBkbyB5b3UgbWVhbiBleGFjdGx5IGJ5ICJw YWNrYWdlIHNpemUiPyAgSXNuJ3QgaXQgdXAgdG8gdGhlIERNQSB0cmFuc2ZlciB0byBkbyB0aGUg d2hvbGUgY29weT8NCj4NCj4gVGhlIGF0dGFjaG1lbnQgaXMgYW4gZXhhbXBsZSBmb3IgdGhlIHJh Y2UgY29uZGl0aW9uIGlzc3VlLiBFLmc6IDUxNGJ5dGVzIGlucHV0IHN0cmVhbSBmcm9tIFVBUlQs IDUxMmJ5dGVzIHNob3VsZCBiZSBjb3BpZWQgYnkgRE1BKGJsb2NrIHNpemUgc2V0IGFzIDUxMiks IGxlZnQgMmJ5dGVzIHNob3VsZCBiZSBjb3BpZWQgYnkgc2VyaWFsIGludGVycnVwdCBoYW5kbGVy Lg0KDQpUaGF0IG1ha2VzIG5vIHNlbnNlLCBhcyB3aGF0IG9yZGVycyB0aGUgZGF0YSBjb21pbmcg aW4/ICBUaGUgMiBieXRlcyBjb3VsZCBiZSBhZGRlZCB0byB0aGUgdHR5IGJ1ZmZlciBiZWZvcmUg dGhlIDUxMiBieXRlcywgb3IgdGhlIG90aGVyIHdheSBhcm91bmQuDQoNCldoYXQgaGFyZHdhcmUg YXJlIHlvdSB1c2luZyB0aGF0IGlzIG1peGluZyBkbWEgYW5kIGlycSBkYXRhIGxpa2UgdGhpcz8N ClRoYXQgZmVlbHMgdmVyeSB3cm9uZy4NCg0KPiA+QWdhaW4sIHdoYXQgY2hhbmdlZCByZWNlbnRs eSB0byBjYXVzZSB0aGlzIHRvIHN0YXJ0IGhhcHBlbmluZz8gIFdoeSBpcyB0aGlzIG9ubHkgc2hv d2luZyB1cCBub3c/ICBXaGF0IGlzIHVuaXF1ZSBhYm91dCB5b3VyIHN5c3RlbSB0aGF0IGNhdXNl cyB0aGlzIGFuZCBwcmV2ZW50cyBpdCBmcm9tIGhhcHBlbmluZyBvbiBhbnkgb3RoZXIgc3lzdGVt Pw0KPiBJIHRoaW5rIGl0IGlzIGEgY29ybmVyIGNhc2UgYW5kIGV4aXN0IGluIHByZXZpb3VzIGtl cm5lbCB2ZXJzaW9uLCB3ZSBqdXN0IHJlcHJvZHVjZWQgaXQgaW4gcHJlc3N1cmUgdGVzdC4NCj4g T3VyIHN5c3RlbSBydW5uaW5nIG11bHRpIGNvcmVzIGFuZCBlbmFibGVkIFJUIGZlYXR1cmUsIERN QSBpbnRlcnJ1cHQgdGhyZWFkIGFuZCBzZXJpYWwgaW50ZXJydXB0IHRocmVhZCBhcmUgcnVubmlu ZyBvbiBkaWZmZXJlbnQgY29yZXMgaW4gcGFyYWxsZWwuDQoNCklmIHRoZXkgYXJlIHJ1bm5pbmcg b24gZGlmZmVyZW50IGNvcmVzLCB0aGVuIHlvdSB3aWxsIGhhdmUgZGF0YSBjb3JydXB0aW9uIGlz c3VlcyBubyBtYXR0ZXIgaWYgeW91IGhhdmUgYSBsb2NrIG9yIG5vdCwgc28gdGhpcyBpcyBub3Qg dGhlIGNvcnJlY3Qgc29sdXRpb24gZm9yIHRoaXMgaGFyZHdhcmUgY29uZmlndXJhdGlvbiBwcm9i bGVtLg0KDQp0aGFua3MsDQoNCmdyZWcgay1oDQpUaGlzIGVtYWlsIGFuZCBhbnkgYXR0YWNobWVu dHMgdGhlcmV0byBtYXkgY29udGFpbiBwcml2YXRlLCBjb25maWRlbnRpYWwsIGFuZCBwcml2aWxl Z2VkIG1hdGVyaWFsIGZvciB0aGUgc29sZSB1c2Ugb2YgdGhlIGludGVuZGVkIHJlY2lwaWVudC4g QW55IHJldmlldywgY29weWluZywgb3IgZGlzdHJpYnV0aW9uIG9mIHRoaXMgZW1haWwgKG9yIGFu eSBhdHRhY2htZW50cyB0aGVyZXRvKSBieSBvdGhlcnMgaXMgc3RyaWN0bHkgcHJvaGliaXRlZC4g SWYgeW91IGFyZSBub3QgdGhlIGludGVuZGVkIHJlY2lwaWVudCwgcGxlYXNlIGNvbnRhY3QgdGhl IHNlbmRlciBpbW1lZGlhdGVseSBhbmQgcGVybWFuZW50bHkgZGVsZXRlIHRoZSBvcmlnaW5hbCBh bmQgYW55IGNvcGllcyBvZiB0aGlzIGVtYWlsIGFuZCBhbnkgYXR0YWNobWVudHMgdGhlcmV0by4N Cg0K5q2k55S15a2Q6YKu5Lu25Y+K6ZmE5Lu25omA5YyF5ZCr5YaF5a655YW35pyJ5py65a+G5oCn 77yM5LiU5LuF6ZmQ5LqO5o6l5pS25Lq65L2/55So44CC5pyq57uP5YWB6K6477yM56aB5q2i56ys 5LiJ5Lq66ZiF6K+744CB5aSN5Yi25oiW5Lyg5pKt6K+l55S15a2Q6YKu5Lu25Lit55qE5Lu75L2V 5L+h5oGv44CC5aaC5p6c5oKo5LiN5bGe5LqO5Lul5LiK55S15a2Q6YKu5Lu255qE55uu5qCH5o6l 5pS26ICF77yM6K+35oKo56uL5Y2z6YCa55+l5Y+R6YCB5Lq65bm25Yig6Zmk5Y6f55S15a2Q6YKu 5Lu25Y+K5YW255u45YWz55qE6ZmE5Lu244CCDQo=