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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 A4C45C433DF for ; Fri, 22 May 2020 11:32:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F14B2072C for ; Fri, 22 May 2020 11:32:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729719AbgEVLcd (ORCPT ); Fri, 22 May 2020 07:32:33 -0400 Received: from aliyun-cloud.icoremail.net ([47.90.88.95]:54570 "HELO aliyun-sdnproxy-1.icoremail.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1728281AbgEVLcc (ORCPT ); Fri, 22 May 2020 07:32:32 -0400 Received: by ajax-webmail-mail-app4 (Coremail) ; Fri, 22 May 2020 19:32:10 +0800 (GMT+08:00) X-Originating-IP: [222.205.77.158] Date: Fri, 22 May 2020 19:32:10 +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" , "Dan Williams" , "Thierry Reding" , dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Re: [PATCH] dmaengine: tegra210-adma: Fix runtime PM imbalance on error X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.10 build 20190906(84e8bf8f) Copyright (c) 2002-2020 www.mailtech.cn zju.edu.cn In-Reply-To: References: <20200522075846.30706-1-dinghao.liu@zju.edu.cn> <967c17d2-6b57-27f0-7762-cd0835caaec9@nvidia.com> <45d18e3c.bfdab.1723c07b7d3.Coremail.dinghao.liu@zju.edu.cn> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <1b580492.bff38.1723c27a5e8.Coremail.dinghao.liu@zju.edu.cn> X-Coremail-Locale: zh_CN X-CM-TRANSID: cS_KCgCXPxw6uMdeTRQCAg--.32364W X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgoIBlZdtOQpEQAFsg X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJTRUUUbW0S07vEb7Iv0x C_Cr1lV2xY67kC6x804xWlV2xY67CY07I20VC2zVCF04k26cxKx2IYs7xG6rWj6s0DMIAI bVAFxVCF77xC64kEw24lV2xY67C26IkvcIIF6IxKo4kEV4ylV2xY628lY4IE4IxF12IF4w CS07vE84x0c7CEj48ve4kI8wCS07vE84ACjcxK6xIIjxv20xvE14v26w1j6s0DMIAIbVA2 z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIAIbVA2z4x0Y4vEx4A2jsIE14v26r xl6s0DMIAIbVA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1lV2xY62AIxVAIcxkEcVAq 07x20xvEncxIr21lV2xY6c02F40EFcxC0VAKzVAqx4xG6I80ewCS07vEYx0E2Ix0cI8IcV AFwI0_Jr0_Jr4lV2xY6cIj6I8E87Iv67AKxVWxJVW8Jr1lV2xY6cvjeVCFs4IE7xkEbVWU JVW8JwCS07vE7I0Y64k_MIAIbVCY02Avz4vE14v_Gw4lV2xY6xkI7II2jI8vz4vEwIxGrw CS07vE42xK82IY6x8ErcxFaVAv8VW8uw4UJr1UMIAIbVCF72vE77IF4wCS07vE4I8I3I0E 4IkC6x0Yz7v_Jr0_Gr1lV2xY6I8I3I0E5I8CrVAFwI0_Jr0_Jr4lV2xY6I8I3I0E7480Y4 vE14v26r106r1rMIAIbVC2zVAF1VAY17CE14v26r1q6r43MIAIbVCI42IY6xIIjxv20xvE 14v26r1j6r1xMIAIbVCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lV2xY6IIF0xvE42 xK8VAvwI8IcIk0rVWrJr0_WFyUJwCS07vEIxAIcVC2z280aVAFwI0_Gr0_Cr1lV2xY6IIF 0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73U Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org PiAKPiBPbiAyMi8wNS8yMDIwIDExOjU3LCBkaW5naGFvLmxpdUB6anUuZWR1LmNuIHdyb3RlOgo+ ID4+Cj4gPj4gT24gMjIvMDUvMjAyMCAwODo1OCwgRGluZ2hhbyBMaXUgd3JvdGU6Cj4gPj4+IHBt X3J1bnRpbWVfZ2V0X3N5bmMoKSBpbmNyZW1lbnRzIHRoZSBydW50aW1lIFBNIHVzYWdlIGNvdW50 ZXIgZXZlbgo+ID4+PiB3aGVuIGl0IHJldHVybnMgYW4gZXJyb3IgY29kZS4gVGh1cyBhIHBhaXJp bmcgZGVjcmVtZW50IGlzIG5lZWRlZCBvbgo+ID4+PiB0aGUgZXJyb3IgaGFuZGxpbmcgcGF0aCB0 byBrZWVwIHRoZSBjb3VudGVyIGJhbGFuY2VkLgo+ID4+Pgo+ID4+PiBTaWduZWQtb2ZmLWJ5OiBE aW5naGFvIExpdSA8ZGluZ2hhby5saXVAemp1LmVkdS5jbj4KPiA+Pj4gLS0tCj4gPj4+ICBkcml2 ZXJzL2RtYS90ZWdyYTIxMC1hZG1hLmMgfCAxICsKPiA+Pj4gIDEgZmlsZSBjaGFuZ2VkLCAxIGlu c2VydGlvbigrKQo+ID4+Pgo+ID4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEvdGVncmEyMTAt YWRtYS5jIGIvZHJpdmVycy9kbWEvdGVncmEyMTAtYWRtYS5jCj4gPj4+IGluZGV4IGM0Y2U1ZGZi MTQ5Yi4uODAzZTFmNGQ1ZGFjIDEwMDY0NAo+ID4+PiAtLS0gYS9kcml2ZXJzL2RtYS90ZWdyYTIx MC1hZG1hLmMKPiA+Pj4gKysrIGIvZHJpdmVycy9kbWEvdGVncmEyMTAtYWRtYS5jCj4gPj4+IEBA IC02NTgsNiArNjU4LDcgQEAgc3RhdGljIGludCB0ZWdyYV9hZG1hX2FsbG9jX2NoYW5fcmVzb3Vy Y2VzKHN0cnVjdCBkbWFfY2hhbiAqZGMpCj4gPj4+ICAKPiA+Pj4gIAlyZXQgPSBwbV9ydW50aW1l X2dldF9zeW5jKHRkYzJkZXYodGRjKSk7Cj4gPj4+ICAJaWYgKHJldCA8IDApIHsKPiA+Pj4gKwkJ cG1fcnVudGltZV9wdXRfc3luYyh0ZGMyZGV2KHRkYykpOwo+ID4+PiAgCQlmcmVlX2lycSh0ZGMt PmlycSwgdGRjKTsKPiA+Pj4gIAkJcmV0dXJuIHJldDsKPiA+Pj4gIAl9Cj4gPj4+Cj4gPj4KPiA+ Pgo+ID4+IFRoZXJlIGlzIGFub3RoZXIgcGxhY2UgaW4gcHJvYmUgdGhhdCBuZWVkcyB0byBiZSBm aXhlZCBhcyB3ZWxsLiBDYW4geW91Cj4gPj4gY29ycmVjdCB0aGlzIHdoaWxlIHlvdSBhcmUgYXQg aXQ/Cj4gPj4KPiA+PiBUaGFua3MKPiA+PiBKb24KPiA+Pgo+ID4+IC0tIAo+ID4+IG52cHVibGlj Cj4gPiAKPiA+IFN1cmUuIEkgaGF2ZSBzZW50IGEgcGF0Y2ggdG8gZml4IFBNIGltYmFsYW5jZSBp biB0ZWdyYV9hZG1hX3Byb2JlKCkuCj4gCj4gCj4gWW91IHNob3VsZCBvbmx5IHNlbmQgb25lIHBh dGNoIHRvIGZpeCBib3RoIGluc3RhbmNlcyBhcyBpdCBpcyB0aGUgc2FtZQo+IGRyaXZlci4gSXQg aXMgaW1wb3NzaWJsZSB0byBmaWd1cmUgb3V0IHRoYXQgdHdvIHBhdGNoZXMgd2l0aCB0aGUgc2Ft ZQo+ICRzdWJqZWN0IGFyZSBkaWZmZXJlbnQuCj4gCj4gSm9uCj4gCj4gLS0gCj4gbnZwdWJsaWMK Ck9LLiBJIHdpbGwgZml4IHRoaXMgaW4gdGhlIG5leHQgdmVyc2lvbiBvZiBwYXRjaC4KClJlZ2Fy ZHMsCkRpbmdoYW8K From mboxrd@z Thu Jan 1 00:00:00 1970 From: dinghao.liu-Y5EWUtBUdg4nDS1+zs4M5A@public.gmane.org Subject: Re: Re: [PATCH] dmaengine: tegra210-adma: Fix runtime PM imbalance on error Date: Fri, 22 May 2020 19:32:10 +0800 (GMT+08:00) Message-ID: <1b580492.bff38.1723c27a5e8.Coremail.dinghao.liu@zju.edu.cn> References: <20200522075846.30706-1-dinghao.liu@zju.edu.cn> <967c17d2-6b57-27f0-7762-cd0835caaec9@nvidia.com> <45d18e3c.bfdab.1723c07b7d3.Coremail.dinghao.liu@zju.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jon Hunter Cc: kjlu-OJFnDUYgAso@public.gmane.org, Laxman Dewangan , Vinod Koul , Dan Williams , Thierry Reding , dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org PiAKPiBPbiAyMi8wNS8yMDIwIDExOjU3LCBkaW5naGFvLmxpdUB6anUuZWR1LmNuIHdyb3RlOgo+ ID4+Cj4gPj4gT24gMjIvMDUvMjAyMCAwODo1OCwgRGluZ2hhbyBMaXUgd3JvdGU6Cj4gPj4+IHBt X3J1bnRpbWVfZ2V0X3N5bmMoKSBpbmNyZW1lbnRzIHRoZSBydW50aW1lIFBNIHVzYWdlIGNvdW50 ZXIgZXZlbgo+ID4+PiB3aGVuIGl0IHJldHVybnMgYW4gZXJyb3IgY29kZS4gVGh1cyBhIHBhaXJp bmcgZGVjcmVtZW50IGlzIG5lZWRlZCBvbgo+ID4+PiB0aGUgZXJyb3IgaGFuZGxpbmcgcGF0aCB0 byBrZWVwIHRoZSBjb3VudGVyIGJhbGFuY2VkLgo+ID4+Pgo+ID4+PiBTaWduZWQtb2ZmLWJ5OiBE aW5naGFvIExpdSA8ZGluZ2hhby5saXVAemp1LmVkdS5jbj4KPiA+Pj4gLS0tCj4gPj4+ICBkcml2 ZXJzL2RtYS90ZWdyYTIxMC1hZG1hLmMgfCAxICsKPiA+Pj4gIDEgZmlsZSBjaGFuZ2VkLCAxIGlu c2VydGlvbigrKQo+ID4+Pgo+ID4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEvdGVncmEyMTAt YWRtYS5jIGIvZHJpdmVycy9kbWEvdGVncmEyMTAtYWRtYS5jCj4gPj4+IGluZGV4IGM0Y2U1ZGZi MTQ5Yi4uODAzZTFmNGQ1ZGFjIDEwMDY0NAo+ID4+PiAtLS0gYS9kcml2ZXJzL2RtYS90ZWdyYTIx MC1hZG1hLmMKPiA+Pj4gKysrIGIvZHJpdmVycy9kbWEvdGVncmEyMTAtYWRtYS5jCj4gPj4+IEBA IC02NTgsNiArNjU4LDcgQEAgc3RhdGljIGludCB0ZWdyYV9hZG1hX2FsbG9jX2NoYW5fcmVzb3Vy Y2VzKHN0cnVjdCBkbWFfY2hhbiAqZGMpCj4gPj4+ICAKPiA+Pj4gIAlyZXQgPSBwbV9ydW50aW1l X2dldF9zeW5jKHRkYzJkZXYodGRjKSk7Cj4gPj4+ICAJaWYgKHJldCA8IDApIHsKPiA+Pj4gKwkJ cG1fcnVudGltZV9wdXRfc3luYyh0ZGMyZGV2KHRkYykpOwo+ID4+PiAgCQlmcmVlX2lycSh0ZGMt PmlycSwgdGRjKTsKPiA+Pj4gIAkJcmV0dXJuIHJldDsKPiA+Pj4gIAl9Cj4gPj4+Cj4gPj4KPiA+ Pgo+ID4+IFRoZXJlIGlzIGFub3RoZXIgcGxhY2UgaW4gcHJvYmUgdGhhdCBuZWVkcyB0byBiZSBm aXhlZCBhcyB3ZWxsLiBDYW4geW91Cj4gPj4gY29ycmVjdCB0aGlzIHdoaWxlIHlvdSBhcmUgYXQg aXQ/Cj4gPj4KPiA+PiBUaGFua3MKPiA+PiBKb24KPiA+Pgo+ID4+IC0tIAo+ID4+IG52cHVibGlj Cj4gPiAKPiA+IFN1cmUuIEkgaGF2ZSBzZW50IGEgcGF0Y2ggdG8gZml4IFBNIGltYmFsYW5jZSBp biB0ZWdyYV9hZG1hX3Byb2JlKCkuCj4gCj4gCj4gWW91IHNob3VsZCBvbmx5IHNlbmQgb25lIHBh dGNoIHRvIGZpeCBib3RoIGluc3RhbmNlcyBhcyBpdCBpcyB0aGUgc2FtZQo+IGRyaXZlci4gSXQg aXMgaW1wb3NzaWJsZSB0byBmaWd1cmUgb3V0IHRoYXQgdHdvIHBhdGNoZXMgd2l0aCB0aGUgc2Ft ZQo+ICRzdWJqZWN0IGFyZSBkaWZmZXJlbnQuCj4gCj4gSm9uCj4gCj4gLS0gCj4gbnZwdWJsaWMK Ck9LLiBJIHdpbGwgZml4IHRoaXMgaW4gdGhlIG5leHQgdmVyc2lvbiBvZiBwYXRjaC4KClJlZ2Fy ZHMsCkRpbmdoYW8K