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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 140A0C43460 for ; Fri, 9 Apr 2021 08:25:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9832611AB for ; Fri, 9 Apr 2021 08:25:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232373AbhDIIZM (ORCPT ); Fri, 9 Apr 2021 04:25:12 -0400 Received: from spam.zju.edu.cn ([61.164.42.155]:5652 "EHLO zju.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231370AbhDIIZL (ORCPT ); Fri, 9 Apr 2021 04:25:11 -0400 Received: by ajax-webmail-mail-app3 (Coremail) ; Fri, 9 Apr 2021 16:24:52 +0800 (GMT+08:00) X-Originating-IP: [222.205.72.8] Date: Fri, 9 Apr 2021 16:24:52 +0800 (GMT+08:00) X-CM-HeaderCharset: UTF-8 From: dinghao.liu@zju.edu.cn To: "Jon Hunter" Cc: kjlu@umn.edu, "Laxman Dewangan" , "Vinod Koul" , "Thierry Reding" , dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Re: [PATCH] dmaengine: tegra20: Fix runtime PM imbalance in tegra_dma_issue_pending X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.13 build 20210104(ab8c30b6) Copyright (c) 2002-2021 www.mailtech.cn zju.edu.cn In-Reply-To: <5699d0e9-968c-c8b0-3b0b-0416b5b48aa0@nvidia.com> References: <20210408071158.12565-1-dinghao.liu@zju.edu.cn> <5699d0e9-968c-c8b0-3b0b-0416b5b48aa0@nvidia.com> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <7c55cf68.45570.178b5bbe111.Coremail.dinghao.liu@zju.edu.cn> X-Coremail-Locale: zh_CN X-CM-TRANSID: cC_KCgC3nyJUD3BgqX_xAA--.30209W X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgkKBlZdtTUlDwAEsi X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJ3iIAIbVAYjsxI4VWxJw CS07vEb4IE77IF4wCS07vE1I0E4x80FVAKz4kxMIAIbVAFxVCaYxvI4VCIwcAKzIAtYxBI daVFxhVjvjDU= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBPbiAwOC8wNC8yMDIxIDA4OjExLCBEaW5naGFvIExpdSB3cm90ZToKPiA+IHBtX3J1bnRpbWVf Z2V0X3N5bmMoKSB3aWxsIGluY3JlYXNlIHRoZSBydW10aW1lIFBNIGNvdW50ZXIKPiA+IGV2ZW4g aXQgcmV0dXJucyBhbiBlcnJvci4gVGh1cyBhIHBhaXJpbmcgZGVjcmVtZW50IGlzIG5lZWRlZAo+ ID4gdG8gcHJldmVudCByZWZjb3VudCBsZWFrLiBGaXggdGhpcyBieSByZXBsYWNpbmcgdGhpcyBB UEkgd2l0aAo+ID4gcG1fcnVudGltZV9yZXN1bWVfYW5kX2dldCgpLCB3aGljaCB3aWxsIG5vdCBj aGFuZ2UgdGhlIHJ1bnRpbWUKPiA+IFBNIGNvdW50ZXIgb24gZXJyb3IuCj4gPiAKPiA+IFNpZ25l ZC1vZmYtYnk6IERpbmdoYW8gTGl1IDxkaW5naGFvLmxpdUB6anUuZWR1LmNuPgo+ID4gLS0tCj4g PiAgZHJpdmVycy9kbWEvdGVncmEyMC1hcGItZG1hLmMgfCAyICstCj4gPiAgMSBmaWxlIGNoYW5n ZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2RtYS90ZWdyYTIwLWFwYi1kbWEuYyBiL2RyaXZlcnMvZG1hL3RlZ3JhMjAtYXBiLWRt YS5jCj4gPiBpbmRleCA3MTgyN2Q5YjBhYTEuLjczMTc4YWZhZjRjMiAxMDA2NDQKPiA+IC0tLSBh L2RyaXZlcnMvZG1hL3RlZ3JhMjAtYXBiLWRtYS5jCj4gPiArKysgYi9kcml2ZXJzL2RtYS90ZWdy YTIwLWFwYi1kbWEuYwo+ID4gQEAgLTcyMyw3ICs3MjMsNyBAQCBzdGF0aWMgdm9pZCB0ZWdyYV9k bWFfaXNzdWVfcGVuZGluZyhzdHJ1Y3QgZG1hX2NoYW4gKmRjKQo+ID4gIAkJZ290byBlbmQ7Cj4g PiAgCX0KPiA+ICAJaWYgKCF0ZGMtPmJ1c3kpIHsKPiA+IC0JCWVyciA9IHBtX3J1bnRpbWVfZ2V0 X3N5bmModGRjLT50ZG1hLT5kZXYpOwo+ID4gKwkJZXJyID0gcG1fcnVudGltZV9yZXN1bWVfYW5k X2dldCh0ZGMtPnRkbWEtPmRldik7Cj4gPiAgCQlpZiAoZXJyIDwgMCkgewo+ID4gIAkJCWRldl9l cnIodGRjMmRldih0ZGMpLCAiRmFpbGVkIHRvIGVuYWJsZSBETUFcbiIpOwo+ID4gIAkJCWdvdG8g ZW5kOwo+ID4gCj4gCj4gCj4gVGhhbmtzISBMb29rcyBsaWtlIHRoZXJlIGFyZSB0d28gaW5zdGFu Y2VzIG9mIHRoaXMgdGhhdCBuZWVkIGZpeGluZy4KPiAKClRoYW5rcyBmb3IgcG9pbnRpbmcgb3V0 IHRoaXMhIEkgd2lsbCBmaXggdGhpcyBhbmQgc2VuZCBhIG5ldyBwYXRjaCBzb29uLgoKUmVnYXJk cywKRGluZ2hhbw==