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 X-Spam-Level: X-Spam-Status: No, score=-17.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BA3FC2D0E4 for ; Wed, 25 Nov 2020 02:33:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 21C3520872 for ; Wed, 25 Nov 2020 02:33:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="hdzdf2N1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726849AbgKYCdg (ORCPT ); Tue, 24 Nov 2020 21:33:36 -0500 Received: from mailgw02.mediatek.com ([1.203.163.81]:64514 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725952AbgKYCdg (ORCPT ); Tue, 24 Nov 2020 21:33:36 -0500 X-UUID: cd64df1ea4064c21b8a4df535923749a-20201125 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=d3nr/xPB4/Ytmie+cSNJY9sU92H7/I+2d3g8d6Ae3Dw=; b=hdzdf2N1UKhfpIXPW571fE+ZE//9Evis6CiDaxJgUPiMzjrsLzuMtFINiUrTY9QUDO76yXpEhdiy4C0VyAyvFHtr3DWvsza01ng2Ua33CGPVXfFSN03QF3Ox8Go45ksVec3KoJVFq8DfCVjx/vjEug67BxMfyqkOm5oCNTzeQNg=; X-UUID: cd64df1ea4064c21b8a4df535923749a-20201125 Received: from mtkcas36.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2029650414; Wed, 25 Nov 2020 10:33:30 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS31DR.mediatek.inc (172.27.6.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 25 Nov 2020 10:33:30 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 25 Nov 2020 10:33:29 +0800 Message-ID: <1606271609.7284.2.camel@mhfsdcap03> Subject: Re: [PATCH] usb: mtu3: replace spin_lock_irqsave by spin_lock in hard IRQ From: Chunfeng Yun To: Tian Tao CC: , , , , , Date: Wed, 25 Nov 2020 10:33:29 +0800 In-Reply-To: <1605515682-23771-1-git-send-email-tiantao6@hisilicon.com> References: <1605515682-23771-1-git-send-email-tiantao6@hisilicon.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 38AEA4F68145BA0AE654977F218C7D5F37B2304FC5A015F89CA984A57FCCDBFB2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org SGkgVGFvLA0KT24gTW9uLCAyMDIwLTExLTE2IGF0IDE2OjM0ICswODAwLCBUaWFuIFRhbyB3cm90 ZToNCj4gVGhlIGNvZGUgaGFzIGJlZW4gaW4gYSBpcnEtZGlzYWJsZWQgY29udGV4dCBzaW5jZSBp dCBpcyBoYXJkIElSUS4gVGhlcmUNCj4gaXMgbm8gbmVjZXNzaXR5IHRvIGRvIGl0IGFnYWluLg0K PiANCj4gU2lnbmVkLW9mZi1ieTogVGlhbiBUYW8gPHRpYW50YW82QGhpc2lsaWNvbi5jb20+DQo+ IC0tLQ0KPiAgZHJpdmVycy91c2IvbXR1My9tdHUzX2NvcmUuYyB8IDUgKystLS0NCj4gIDEgZmls ZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pDQo+IA0KPiBkaWZmIC0t Z2l0IGEvZHJpdmVycy91c2IvbXR1My9tdHUzX2NvcmUuYyBiL2RyaXZlcnMvdXNiL210dTMvbXR1 M19jb3JlLmMNCj4gaW5kZXggYjNiNDU5OS4uYTZkNzY4NCAxMDA2NDQNCj4gLS0tIGEvZHJpdmVy cy91c2IvbXR1My9tdHUzX2NvcmUuYw0KPiArKysgYi9kcml2ZXJzL3VzYi9tdHUzL210dTNfY29y ZS5jDQo+IEBAIC03NDUsMTAgKzc0NSw5IEBAIHN0YXRpYyBpcnFyZXR1cm5fdCBtdHUzX3UyX2Nv bW1vbl9pc3Ioc3RydWN0IG10dTMgKm10dSkNCj4gIHN0YXRpYyBpcnFyZXR1cm5fdCBtdHUzX2ly cShpbnQgaXJxLCB2b2lkICpkYXRhKQ0KPiAgew0KPiAgCXN0cnVjdCBtdHUzICptdHUgPSAoc3Ry dWN0IG10dTMgKilkYXRhOw0KPiAtCXVuc2lnbmVkIGxvbmcgZmxhZ3M7DQo+ICAJdTMyIGxldmVs MTsNCj4gIA0KPiAtCXNwaW5fbG9ja19pcnFzYXZlKCZtdHUtPmxvY2ssIGZsYWdzKTsNCj4gKwlz cGluX2xvY2soJm10dS0+bG9jayk7DQpTb3JyeSBmb3IgbGF0ZSByZXBseSwgSSBwcmVmZXIgdG8g bGVhdmUgdGhlIGNvZGUgdW5jaGFuZ2VkLg0KDQpUaGFua3MNCg0KPiAgDQo+ICAJLyogVTNEX0xW MUlTUiBpcyBSVSAqLw0KPiAgCWxldmVsMSA9IG10dTNfcmVhZGwobXR1LT5tYWNfYmFzZSwgVTNE X0xWMUlTUik7DQo+IEBAIC03NjksNyArNzY4LDcgQEAgc3RhdGljIGlycXJldHVybl90IG10dTNf aXJxKGludCBpcnEsIHZvaWQgKmRhdGEpDQo+ICAJaWYgKGxldmVsMSAmIFFNVV9JTlRSKQ0KPiAg CQltdHUzX3FtdV9pc3IobXR1KTsNCj4gIA0KPiAtCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJm10 dS0+bG9jaywgZmxhZ3MpOw0KPiArCXNwaW5fdW5sb2NrKCZtdHUtPmxvY2spOw0KPiAgDQo+ICAJ cmV0dXJuIElSUV9IQU5ETEVEOw0KPiAgfQ0KDQo=